{"id":5170,"date":"2024-08-01T22:48:13","date_gmt":"2024-08-01T14:48:13","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=5170"},"modified":"2024-08-01T22:48:13","modified_gmt":"2024-08-01T14:48:13","slug":"%e4%ba%8c%e5%85%a8%e8%a7%a3mysql%ef%bc%9a%e4%b8%80%e6%9d%a1sql%e8%af%ad%e5%8f%a5%e4%bb%8e%e8%af%9e%e7%94%9f%e8%87%b3%e7%bb%93%e6%9d%9f%e7%9a%84%e5%a4%9a%e5%a7%bf%e5%a4%9a%e5%bd%a9%e5%8e%86%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/mysql\/%e4%ba%8c%e5%85%a8%e8%a7%a3mysql%ef%bc%9a%e4%b8%80%e6%9d%a1sql%e8%af%ad%e5%8f%a5%e4%bb%8e%e8%af%9e%e7%94%9f%e8%87%b3%e7%bb%93%e6%9d%9f%e7%9a%84%e5%a4%9a%e5%a7%bf%e5%a4%9a%e5%bd%a9%e5%8e%86%e7%a8%8b\/","title":{"rendered":"(\u4e8c)\u5168\u89e3MySQL\uff1a\u4e00\u6761SQL\u8bed\u53e5\u4ece\u8bde\u751f\u81f3\u7ed3\u675f\u7684\u591a\u59ff\u591a\u5f69\u5386\u7a0b\uff01"},"content":{"rendered":"<div class='wxsyncmain'>\n<h2 style=\"letter-spacing: normal;white-space: normal;text-align: center;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.2em;font-weight: bold;display: table;margin-right: auto;margin-bottom: 2em;margin-left: auto;padding-right: 0.2em;padding-left: 0.2em;background: rgb(15, 76, 129);color: rgb(255, 255, 255);\">\u5f15\u8a00<\/h2>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u5728\u4e0a\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u4ee5<span style=\"line-height: 1.75;color: rgb(87, 107, 149);\">\u300aMySQL\u67b6\u6784\u7bc7\u300b<\/span>\u62c9\u5f00\u4e86<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u6570\u636e\u5e93\u7684\u7684\u5e8f\u5e55\uff0c\u4e0a\u7bc7\u6587\u7ae0\u4e2d\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u5206\u5c42\u67b6\u6784\u4e2d\u7684\u6bcf\u4e00\u5c42\u90fd\u8fdb\u884c\u4e86\u8be6\u7ec6\u9610\u8ff0\u3002\u800c\u5728\u672c\u7bc7\u4e2d\uff0c\u5219\u4f1a\u8fdb\u4e00\u6b65\u7ad9\u5728\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u89d2\u5ea6\uff0c\u4ece<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u8bde\u751f\u5f00\u59cb\uff0c\u5230<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u6267\u884c\u3001\u6570\u636e\u8fd4\u56de\u7b49\u5168\u94fe\u8def\u8fdb\u884c\u5206\u6790\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u5728\u6b64\u4e4b\u524d\u5462\uff0c\u5176\u5b9e\u4e5f\u5199\u8fc7\u4e24\u7bc7\u7c7b\u4f3c\u7684\u59ca\u59b9\u7bc7\uff0c\u7b2c\u4e00\u7bc7\u8bb2\u7684\u662f<span style=\"line-height: 1.75;color: rgb(87, 107, 149);\">\u300a\u4e00\u4e2a\u7f51\u7edc\u8bf7\u6c42\u7684\u795e\u5947\u4e4b\u65c5\uff01\u300b<\/span>\uff0c\u5728\u5176\u4e2d\u5316\u8eab\u4e00\u4e2a\u7f51\u7edc\u8bf7\u6c42\uff0c\u5207\u8eab\u611f\u53d7\u4e86\u4ece\u6d4f\u89c8\u5668\u53d1\u51fa\u540e\uff0c\u5230\u54cd\u5e94\u6570\u636e\u7684\u8fd4\u56de\u3002\u800c\u5728\u66f4\u65e9\u7684\u65f6\u5019\uff0c<span style=\"line-height: 1.75;color: rgb(87, 107, 149);\">\u300aJVM\u7cfb\u5217\u300b<\/span>\u4e2d\u4e5f\u6709\u4e00\u7bc7\u6587\u7ae0\uff0c\u8bb2\u7684\u662f<span style=\"line-height: 1.75;color: rgb(87, 107, 149);\">\u300a\u4e00\u4e2aJava\u5bf9\u8c61\u4ece\u8bde\u751f\u5230\u6b7b\u4ea1\u7684\u5386\u7a0b\u300b<\/span>\uff0c\u5176\u4e2d\u804a\u5230\u4e86<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Java<\/code>\u5bf9\u8c61\u662f\u5982\u4f55\u8bde\u751f\u7684\uff0c\u8fd0\u884c\u65f6\u4f1a\u7ecf\u5386\u4ec0\u4e48\u8fc7\u7a0b\uff1f\u4f7f\u7528\u7ed3\u675f\u540e\u53c8\u662f\u5982\u4f55\u56de\u6536\u7684\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u5728\u672c\u7bc7\u4e2d\uff0c\u5219\u4f1a\u5728\u7ad9\u5728\u6570\u636e\u5e93\u7684\u89c6\u89d2\uff0c\u518d\u6b21\u611f\u53d7\u201c\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u591a\u59ff\u591a\u5f69\u7684\u5386\u7a0b\u201d\uff01\u4f60\u5982\u679c\u8ba4\u771f\u7684\u770b\u5b8c\u4e86\u201c\u4e00\u4e2a\u8bf7\u6c42\u3001\u4e00\u4e2a\u5bf9\u8c61\u3001\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u201d\u8fd9\u4e09\u90e8\u66f2\u540e\uff0c\u76f8\u4fe1\u4f60\u5bf9\u4e8e\u7a0b\u5e8f\u5f00\u53d1\u53c8\u4f1a\u6709\u4e00\u4e2a\u5168\u65b0\u7684\u6df1\u523b\u8ba4\u77e5\u3002<\/p>\n<\/blockquote>\n<h2 style=\"letter-spacing: normal;white-space: normal;text-align: center;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.2em;font-weight: bold;display: table;margin: 4em auto 2em;padding-right: 0.2em;padding-left: 0.2em;background: rgb(15, 76, 129);color: rgb(255, 255, 255);\">\u4e00\u3001\u4e00\u6761SQL\u662f\u5982\u4f55\u8bde\u751f\u7684\uff1f<\/h2>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> <code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u90fd\u8bde\u751f\u4e8e\u5ba2\u6237\u7aef\uff0c\u4e3b\u8981\u6709\u4e24\u79cd\u65b9\u5f0f\u4ea7\u751f\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff0c\u4e00\u79cd\u662f\u7531\u5f00\u53d1\u8005\u81ea\u5df1\u624b\u52a8\u7f16\u5199\uff0c\u53e6\u4e00\u79cd\u5219\u662f\u76f8\u5173\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">ORM<\/code>\u6846\u67b6\u81ea\u52a8\u751f\u6210\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u6536\u5230\u7684\u5927\u90e8\u5206<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u90fd\u662f\u7531<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">ORM<\/code>\u6846\u67b6\u751f\u6210\u7684\uff0c\u6bd4\u5982<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Java<\/code>\u4e2d\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MyBatis\u3001Hibernate<\/code>\u6846\u67b6\u7b49\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u540c\u65f6\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u751f\u6210\u7684\u65f6\u673a\u4e00\u822c\u90fd\u4e0e\u7528\u6237\u7684\u8bf7\u6c42\u6709\u5173\uff0c\u5f53\u7528\u6237\u5728\u7cfb\u7edf\u4e2d\u8fdb\u884c\u4e86\u67d0\u9879\u64cd\u4f5c\uff0c\u4e00\u822c\u90fd\u4f1a\u4ea7\u751f\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff0c\u4f8b\u5982\u6211\u4eec\u5728\u6d4f\u89c8\u5668\u4e0a\u8f93\u5165\u5982\u4e0b\u7f51\u5740\uff1a<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">https:\/\/juejin.cn\/user\/862486453028888\/posts<\/code><\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6b64\u65f6\uff0c\u5c31\u4f1a\u5148\u8bf7\u6c42\u6398\u91d1\u7684\u670d\u52a1\u5668\uff0c\u7136\u540e\u7531\u6398\u91d1\u5185\u90e8\u5b9e\u73b0\u4e2d\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">ORM<\/code>\u6846\u67b6\uff0c\u6839\u636e\u8bf7\u6c42\u53c2\u6570\u751f\u6210\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff0c\u7c7b\u4f3c\u4e8e\u4e0b\u8ff0\u7684\u4f2a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff1a<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">select * from juejin_article where userid = 862486453028888;<\/code><\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8fd9\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u5927\u81f4\u63cf\u8ff0\u7684\u610f\u601d\u5c31\u662f\uff1a\u6839\u636e\u7528\u6237\u8bf7\u6c42\u7684\u300c\u4f5c\u8005ID\u300d\uff0c\u5728\u6398\u91d1\u6570\u636e\u5e93\u7684\u6587\u7ae0\u8868\u4e2d\uff0c\u67e5\u8be2\u8be5\u4f5c\u8005\u7684\u6240\u6709\u6587\u7ae0\u4fe1\u606f\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u4ece\u4e0a\u8ff0\u8fd9\u4e2a\u6848\u4f8b\u4e2d\u53ef\u4ee5\u660e\u663e\u611f\u53d7\u51fa\u6765\uff0c\u7528\u6237\u6d4f\u89c8\u5668\u4e0a\u770b\u5230\u7684\u6570\u636e\u4e00\u822c\u90fd\u6765\u81ea\u4e8e\u6570\u636e\u5e93\uff0c\u800c\u6570\u636e\u5e93\u6267\u884c\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u5219\u6e90\u81ea\u4e8e\u7528\u6237\u64cd\u4f5c\uff0c\u4e24\u8005\u662f\u76f8\u8f85\u76f8\u6210\u7684\u5173\u7cfb\uff0c\u4e5f\u5305\u62ec\u4efb\u4f55\u5199\u64cd\u4f5c\uff08\u589e\u3001\u5220\u3001\u6539\uff09\uff0c\u672c\u8d28\u4e0a\u4e5f\u4f1a\u88ab\u8f6c\u6362\u4e00\u6761\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff0c\u4e5f\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\">#\u8bf7\u6c42\u7f51\u5740\uff08RequestURL\uff09https:<span style=\"color: rgb(92, 99, 112);font-style: italic;\">\/\/www.xxx.com\/user\/register<\/span>#\u8bf7\u6c42\u53c2\u6570\uff08RequestParam\uff09{user_name:<span style=\"color: rgb(152, 195, 121);\">\"\u7af9\u5b50\u7231\u718a\u732b\"<\/span>,user_pwd:<span style=\"color: rgb(152, 195, 121);\">\"123456\"<\/span>,user_sex:<span style=\"color: rgb(152, 195, 121);\">\"\u7537\"<\/span>,user_phone:<span style=\"color: rgb(152, 195, 121);\">\"18888888888\"<\/span>,......}#\u8fd9\u91cc\u5bf9\u4e8e\u7528\u6237\u5bc6\u7801\u7684\u5904\u7406\u4e0d\u591f\u4e25\u8c28\uff0c\u6ca1\u6709\u505a\u52a0\u5bc6\u64cd\u4f5c\u4e0d\u8981\u5728\u610f~<\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6bd4\u5982\u4e0a\u8ff0\u8fd9\u4e2a\u7528\u6237\u6ce8\u518c\u7684\u6848\u4f8b\uff0c\u5f53\u7528\u6237\u5728\u7f51\u9875\u4e0a\u70b9\u51fb\u300c\u6ce8\u518c\u300d\u6309\u94ae\u65f6\uff0c\u4f1a\u5411\u76ee\u6807\u7f51\u7ad9\u7684\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">post<\/code>\u8bf7\u6c42\uff0c\u7d27\u63a5\u7740\u540c\u6837\u4f1a\u6839\u636e\u8bf7\u6c42\u53c2\u6570\uff0c\u751f\u6210\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\">insert<\/span><span style=\"color: rgb(198, 120, 221);\">into<\/span>table_user(user_name,user_pwd,user_sex,user_phone,....)<span style=\"color: rgb(198, 120, 221);\">VALUES<\/span>(\"\u7af9\u5b50\u7231\u718a\u732b\",\"123456\",\"\u7537\",\"18888888888\",....);<\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u8bde\u751f\u90fd\u6e90\u81ea\u4e8e\u4e00\u4e2a\u7528\u6237\u8bf7\u6c42\uff0c\u5728\u5f00\u53d1\u7a0b\u5e8f\u65f6\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u5927\u4f53\u903b\u8f91\u6211\u4eec\u90fd\u4f1a\u7531\u4e1a\u52a1\u5c42\u7684\u7f16\u7801\u51b3\u5b9a\uff0c\u5177\u4f53\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u5219\u662f\u6839\u636e\u7528\u6237\u7684\u8bf7\u6c42\u53c2\u6570\uff0c\u4ee5\u53ca\u63d0\u524d\u5b9a\u5236\u597d\u7684\u201c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u9aa8\u67b6\u201d\u62fc\u63cd\u800c\u6210\u3002\u5f53\u7136\uff0c\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Java<\/code>\u7a0b\u5e8f\u6216\u5176\u4ed6\u8bed\u8a00\u7f16\u5199\u7684\u7a0b\u5e8f\u4e2d\uff0c\u53ea\u80fd\u751f\u6210<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff0c\u800c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u771f\u6b63\u7684\u6267\u884c\u5de5\u4f5c\u662f\u9700\u8981\u4ea4\u7ed9\u6570\u636e\u5e93\u53bb\u5b8c\u6210\u7684\u3002<\/p>\n<h2 style=\"letter-spacing: normal;white-space: normal;text-align: center;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.2em;font-weight: bold;display: table;margin: 4em auto 2em;padding-right: 0.2em;padding-left: 0.2em;background: rgb(15, 76, 129);color: rgb(255, 255, 255);\">\u4e8c\u3001\u4e00\u6761SQL\u6267\u884c\u524d\u4f1a\u7ecf\u5386\u7684\u8fc7\u7a0b<\/h2>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u7ecf\u8fc7\u4e0a\u4e00\u6b65\u4e4b\u540e\uff0c\u4e00\u6761\u5b8c\u6574\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u5c31\u8bde\u751f\u4e86\uff0c\u4e3a\u4e86<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u80fd\u591f\u6b63\u5e38\u6267\u884c\uff0c\u9996\u5148\u4f1a\u5148\u53bb\u83b7\u53d6\u4e00\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u5bf9\u8c61\uff0c\u4e0a\u7bc7\u5173\u4e8e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u7684\u67b6\u6784\u7bc7\u66fe\u804a\u5230\u8fc7\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u8fde\u63a5\u5c42\u4e2d\u4f1a\u7ef4\u62a4\u7740\u4e00\u4e2a\u540d\u4e3a\u300c\u8fde\u63a5\u6c60\u300d\u7684\u73a9\u610f\u513f\uff0c\u4f46\u76f8\u4fe1\u5927\u5bb6\u4e5f\u90fd\u63a5\u89e6\u8fc7\u300c\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u300d\u8fd9\u4e2a\u4e1c\u897f\uff0c\u6bd4\u5982Java\u4e2d\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">C3P0\u3001Druid\u3001DBCP....<\/code>\u7b49\u5404\u7c7b\u8fde\u63a5\u6c60\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u90a3\u6b64\u65f6\u5728\u8fd9\u91cc\u53ef\u4ee5\u601d\u8003\u4e00\u4e2a\u95ee\u9898\uff0c\u4e3a\u4ec0\u4e48\u6570\u636e\u5e93\u81ea\u5df1\u7ef4\u62a4\u4e86\u8fde\u63a5\u6c60\u7684\u60c5\u51b5\u4e0b\uff0c\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u5ba2\u6237\u7aef\u4e2d\u8fd8\u9700\u8981\u518d\u6b21\u7ef4\u62a4\u4e00\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u5462\uff1f\u63a5\u4e0b\u6765\u4e00\u8d77\u804a\u4e00\u804a\u3002<\/p>\n<\/blockquote>\n<h3 style=\"letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.2;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.1em;font-weight: bold;margin-top: 2em;margin-right: 8px;margin-bottom: 0.75em;padding-left: 8px;border-left: 3px solid rgb(15, 76, 129);color: rgb(63, 63, 63);\">2.1\u3001\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u7684\u5fc5\u8981\u6027<\/h3>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u4f17\u6240\u5468\u77e5\uff0c\u5f53\u8981\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Java<\/code>\u4e2d\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u65f6\uff0c\u9996\u5148\u4f1a\u53bb\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u8fde\u63a5\u5730\u5740\u3001\u8d26\u53f7\u5bc6\u7801\u7b49\u4fe1\u606f\uff0c\u7136\u540e\u6839\u636e\u914d\u7f6e\u7684\u5730\u5740\u4fe1\u606f\uff0c\u53d1\u8d77\u7f51\u7edc\u8bf7\u6c42\u83b7\u53d6\u6570\u636e\u5e93\u8fde\u63a5\u5bf9\u8c61\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u7531\u4e8e\u6d89\u53ca\u5230\u4e86\u7f51\u7edc\u8bf7\u6c42\uff0c\u90a3\u6b64\u65f6\u5fc5\u7136\u4f1a\u5148\u7ecf\u5386<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">TCP<\/code>\u4e09\u6b21\u63e1\u624b\u7684\u8fc7\u7a0b\uff0c\u540c\u65f6\u83b7\u53d6\u5230\u8fde\u63a5\u5bf9\u8c61\u5b8c\u6210<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u64cd\u4f5c\u540e\uff0c\u53c8\u8981\u91ca\u653e\u8fd9\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u6b64\u65f6\u53c8\u9700\u8981\u7ecf\u5386<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">TCP<\/code>\u56db\u6b21\u6325\u624b\u8fc7\u7a0b\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u4ece\u4e0a\u9762\u7684\u63cf\u8ff0\u4e2d\u53ef\u4ee5\u660e\u663e\u611f\u77e5\u51fa\uff0c\u5728Java\u4e2d\u521b\u5efa\u3001\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\u7684\u8fc7\u7a0b\uff0c\u8fc7\u7a0b\u5f00\u9500\u5176\u5b9e\u6bd4\u8f83\u5927\uff0c\u800c\u5728\u7a0b\u5e8f\u4e0a\u7ebf\u540e\uff0c\u53c8\u9700\u8981\u9891\u7e41\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u56e0\u6b64\u5982\u679c\u6bcf\u6b21\u64cd\u4f5c\u6570\u636e\u5e93\u65f6\uff0c\u90fd\u83b7\u53d6\u65b0\u7684\u8fde\u63a5\u5bf9\u8c61\uff0c\u90a3\u6574\u4e2a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Java<\/code>\u7a0b\u5e8f\u81f3\u5c11\u4f1a\u6709\u56db\u5206\u4e4b\u4e00\u7684\u65f6\u95f4\u5185\u5728\u505a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">TCP<\/code>\u4e09\u6b21\u63e1\u624b\/\u56db\u6b21\u6325\u624b\u5de5\u4f5c\uff0c\u8fd9\u5bf9\u6574\u4e2a\u7cfb\u7edf\u9020\u6210\u7684\u540e\u679c\u53ef\u60f3\u800c\u77e5....<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e5f\u6b63\u662f\u7531\u4e8e\u4e0a\u8ff0\u539f\u56e0\uff0c\u56e0\u6b64\u5927\u540d\u9f0e\u9f0e\u7684\u300c\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u300d\u767b\u573a\u4e86\uff0c\u300c\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u300d\u548c\u300c\u7ebf\u7a0b\u6c60\u300d\u7684\u601d\u60f3\u76f8\u540c\uff0c\u4f1a\u5c06\u6570\u636e\u5e93\u8fde\u63a5\u8fd9\u79cd\u8f83\u4e3a\u73cd\u8d35\u7684\u8d44\u6e90\uff0c\u5229\u7528\u6c60\u5316\u6280\u672f\u5bf9\u8fd9\u79cd\u8d44\u6e90\u8fdb\u884c\u7ef4\u62a4\u3002\u4e5f\u5c31\u4ee3\u8868\u7740\u4e4b\u540e\u9700\u8981\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u65f6\uff0c\u4e0d\u9700\u8981\u81ea\u5df1\u53bb\u5efa\u7acb\u8fde\u63a5\u4e86\uff0c\u800c\u662f\u76f4\u63a5\u4ece\u300c\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u300d\u4e2d\u83b7\u53d6\uff0c\u7528\u5b8c\u4e4b\u540e\u518d\u5f52\u8fd8\u7ed9\u8fde\u63a5\u6c60\uff0c\u4ee5\u6b64\u8fbe\u5230\u590d\u7528\u7684\u6548\u679c\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u5f53\u7136\uff0c\u8fde\u63a5\u6c60\u4e2d\u7ef4\u62a4\u7684\u8fde\u63a5\u5bf9\u8c61\u4e5f\u4e0d\u4f1a\u4e00\u76f4\u90fd\u5728\uff0c\u5f53\u957f\u65f6\u95f4\u672a\u8fdb\u884c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u64cd\u4f5c\u65f6\uff0c\u8fde\u63a5\u6c60\u4e5f\u4f1a\u9500\u6bc1\u8fd9\u4e9b\u8fde\u63a5\u5bf9\u8c61\uff0c\u800c\u540e\u5f53\u9700\u8981\u65f6\u518d\u6b21\u521b\u5efa\uff0c\u4e0d\u8fc7\u4f55\u65f6\u521b\u5efa\u3001\u4f55\u65f6\u9500\u6bc1\u3001\u8fde\u63a5\u6570\u9650\u5236\u7b49\u7b49\u8fd9\u4e9b\u5de5\u4f5c\uff0c\u90fd\u4ea4\u7ed9\u4e86\u8fde\u63a5\u6c60\u53bb\u5b8c\u6210\uff0c\u65e0\u9700\u5f00\u53d1\u8005\u81ea\u8eab\u518d\u53bb\u5173\u6ce8\u3002<\/p>\n<\/blockquote>\n<p><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u5728Java\u4e2d\uff0c\u76ee\u524d\u6700\u5e38\u7528\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u5c31\u662f\u963f\u91cc\u7684<\/span><code style=\"white-space:pre-wrap;letter-spacing: normal;text-align: left;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Druid<\/code><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\uff0c\u4e00\u822c\u54b1\u4eec\u90fd\u4f1a\u7528\u5b83\u4f5c\u4e3a\u751f\u4ea7\u73af\u5883\u4e2d\u7684\u8fde\u63a5\u6c60\uff1a<\/span><\/p>\n<figure style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;color: rgb(63, 63, 63);\"><img decoding=\"async\" class=\"lazyload\"data-ratio=\"0.5565656565656566\"  data-type=\"png\" data-w=\"990\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/08\/20240801215803153.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" data-ratio=\"0.5565656565656566\"  data-type=\"png\" data-w=\"990\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/08\/20240801215803153.png\"  \/><\/noscript><figcaption style=\"text-align: center;line-height: 1.75;color: rgb(136, 136, 136);font-size: 0.8em;\">Druid<\/figcaption><\/figure>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u76ee\u524d<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Druid<\/code>\u5df2\u7ecf\u88ab\u963f\u91cc\u8d21\u732e\u7ed9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Apache<\/code>\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7ef4\u62a4\u4e86~<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">OK~\uff0c\u56de\u5230\u524d\u9762\u629b\u51fa\u7684\u95ee\u9898\uff0c\u6709\u4e86<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u8fde\u63a5\u6c60\u4e3a\u4f55\u8fd8\u9700\u8981\u5728\u5ba2\u6237\u7aef\u7ef4\u62a4\u4e00\u4e2a\u8fde\u63a5\u6c60\uff1f<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u5bf9\u4e8e\u8fd9\u4e2a\u95ee\u9898\uff0c\u76f8\u4fe1\u5927\u5bb6\u5728\u5fc3\u91cc\u591a\u5c11\u90fd\u6709\u70b9\u7b54\u6848\u4e86\uff0c\u539f\u56e0\u5f88\u7b80\u5355\uff0c\u4e24\u8005\u90fd\u662f\u5229\u7528\u6c60\u5316\u6280\u672f\u53bb\u8fbe\u5230\u590d\u7528\u8d44\u6e90\u3001\u8282\u7701\u5f00\u9500\u3001\u63d0\u5347\u6027\u80fd\u7684\u76ee\u7684\uff0c\u53ea\u4e0d\u8fc7\u9488\u5bf9\u7684\u65b9\u5411\u4e0d\u540c\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u7684\u8fde\u63a5\u6c60\u4e3b\u8981\u662f\u4e3a\u4e86\u5b9e\u73b0\u590d\u7528\u7ebf\u7a0b\u7684\u76ee\u7684\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u4e2d\u90fd\u4f1a\u4f7f\u7528\u4e00\u6761\u7ebf\u7a0b\u7ef4\u62a4\uff0c\u800c\u6bcf\u6b21\u4e3a\u5ba2\u6237\u7aef\u5206\u914d\u8fde\u63a5\u5bf9\u8c61\u65f6\uff0c\u90fd\u9700\u8981\u7ecf\u5386\u521b\u5efa\u7ebf\u7a0b\u3001\u5206\u914d\u6808\u7a7a\u95f4....\u8fd9\u4e9b\u7e41\u91cd\u7684\u5de5\u4f5c\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u9700\u8981\u65f6\u95f4\uff0c\u540c\u65f6\u8d44\u6e90\u5f00\u9500\u4e5f\u4e0d\u5c0f\uff0c\u6240\u4ee5<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u5229\u7528\u6c60\u5316\u6280\u672f\u89e3\u51b3\u4e86\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u800c\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u6c60\uff0c\u4e3b\u8981\u662f\u4e3a\u4e86\u5b9e\u73b0\u590d\u7528\u6570\u636e\u5e93\u8fde\u63a5\u7684\u76ee\u7684\uff0c\u56e0\u4e3a\u6bcf\u6b21<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u64cd\u4f5c\u90fd\u9700\u8981\u7ecf\u8fc7<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">TCP<\/code>\u4e09\u6b21\u63e1\u624b\/\u56db\u6b21\u6325\u624b\u7684\u8fc7\u7a0b\uff0c\u8fc7\u7a0b\u540c\u6837\u8017\u65f6\u4e14\u5360\u7528\u8d44\u6e90\uff0c\u56e0\u6b64\u4e5f\u5229\u7528\u6c60\u5316\u6280\u672f\u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u5176\u5b9e\u4e5f\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u8fde\u63a5\u6c60\u7ef4\u62a4\u7684\u662f\u5de5\u4f5c\u7ebf\u7a0b\uff0c\u5ba2\u6237\u7aef\u8fde\u63a5\u6c60\u5219\u7ef4\u62a4\u7684\u662f\u7f51\u7edc\u8fde\u63a5\u3002<\/p>\n<\/blockquote>\n<h3 style=\"letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.2;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.1em;font-weight: bold;margin-top: 2em;margin-right: 8px;margin-bottom: 0.75em;padding-left: 8px;border-left: 3px solid rgb(15, 76, 129);color: rgb(63, 63, 63);\">2.2\u3001SQL\u6267\u884c\u524d\u4f1a\u53d1\u751f\u7684\u4e8b\u60c5<\/h3>\n<p><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\"> \u56de\u5f52\u672c\u6587\u4e3b\u9898\uff0c\u5f53\u5b8c\u6574\u7684<\/span><code style=\"white-space:pre-wrap;letter-spacing: normal;text-align: left;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u751f\u6210\u540e\uff0c\u4f1a\u5148\u53bb\u8fde\u63a5\u6c60\u4e2d\u5c1d\u8bd5\u83b7\u53d6\u4e00\u4e2a\u8fde\u63a5\u5bf9\u8c61\uff0c\u90a3\u63a5\u4e0b\u6765\u4f1a\u53d1\u751f\u4ec0\u4e48\u4e8b\u60c5\u5462\uff1f\u5982\u4e0b\u56fe\uff1a<\/span><\/p>\n<figure style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;color: rgb(63, 63, 63);\"><img decoding=\"async\" class=\"lazyload\"data-ratio=\"0.3596881959910913\"  data-type=\"png\" data-w=\"898\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/08\/20240801215806594.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" data-ratio=\"0.3596881959910913\"  data-type=\"png\" data-w=\"898\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/08\/20240801215806594.png\"  \/><\/noscript><figcaption style=\"text-align: center;line-height: 1.75;color: rgb(136, 136, 136);font-size: 0.8em;\">\u83b7\u53d6\u8fde\u63a5<\/figcaption><\/figure>\n<p><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u5f53\u5c1d\u8bd5\u4ece\u8fde\u63a5\u6c60\u4e2d\u83b7\u53d6\u8fde\u63a5\u65f6\uff0c\u5982\u679c\u6b64\u65f6\u8fde\u63a5\u6c60\u4e2d\u6709\u7a7a\u95f2\u8fde\u63a5\uff0c\u53ef\u4ee5\u76f4\u63a5\u62ff\u5230\u590d\u7528\uff0c\u4f46\u5982\u679c\u6ca1\u6709\uff0c\u5219\u8981\u5148\u5224\u65ad\u4e00\u4e0b\u5f53\u524d\u6c60\u4e2d\u7684\u8fde\u63a5\u6570\u662f\u5426\u5df2\u8fbe\u5230\u6700\u5927\u8fde\u63a5\u6570\uff0c\u5982\u679c\u8fde\u63a5\u6570\u5df2\u7ecf\u6ee1\u4e86\uff0c\u5f53\u524d\u7ebf\u7a0b\u5219\u9700\u8981\u7b49\u5f85\u5176\u4ed6\u7ebf\u7a0b\u91ca\u653e\u8fde\u63a5\u5bf9\u8c61\uff0c\u6ca1\u6ee1\u5219\u53ef\u4ee5\u76f4\u63a5\u518d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u5e93\u8fde\u63a5\u4f7f\u7528\u3002<\/span><\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u5047\u8bbe\u6b64\u65f6\u8fde\u63a5\u6c60\u4e2d\u6ca1\u6709\u7a7a\u95f2\u8fde\u63a5\uff0c\u9700\u8981\u518d\u6b21\u521b\u5efa\u4e00\u4e2a\u65b0\u8fde\u63a5\uff0c\u90a3\u4e48\u5c31\u4f1a\u5148\u53d1\u8d77\u7f51\u7edc\u8bf7\u6c42\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n<\/blockquote>\n<p><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u9996\u5148\u4f1a\u7ecf\u8fc7<\/span><span style=\"font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.75;color: rgb(87, 107, 149);\">\u300aTCP\u7684\u4e09\u6b21\u63e1\u624b\u8fc7\u7a0b\u300b<\/span><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\uff0c\u5bf9\u4e8e\u8fd9\u5757\u5c31\u4e0d\u518d\u7ec6\u804a\u4e86\uff0c\u6bd5\u7adf\u4e4b\u524d\u804a\u8fc7\u5f88\u591a\u6b21\u4e86\u3002\u5f53\u7f51\u7edc\u8fde\u63a5\u5efa\u7acb\u6210\u529f\u540e\uff0c\u4e5f\u5c31\u7b49\u4ef7\u4e8e\u5728<\/span><code style=\"white-space:pre-wrap;letter-spacing: normal;text-align: left;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u4e2d\u521b\u5efa\u4e86\u4e00\u4e2a\u5ba2\u6237\u7aef\u4f1a\u8bdd\uff0c\u7136\u540e\u4f1a\u53d1\u751f\u4e0b\u56fe\u4e00\u7cfb\u5217\u5de5\u4f5c\uff1a<\/span><\/p>\n<figure style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;color: rgb(63, 63, 63);\"><img decoding=\"async\" class=\"lazyload\"data-ratio=\"0.18611111111111112\"  data-type=\"png\" data-w=\"1080\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/08\/20240801215809634.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" data-ratio=\"0.18611111111111112\"  data-type=\"png\" data-w=\"1080\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/08\/20240801215809634.png\"  \/><\/noscript><figcaption style=\"text-align: center;line-height: 1.75;color: rgb(136, 136, 136);font-size: 0.8em;\">SQL\u6267\u884c\u524d\u7684\u5de5\u4f5c<\/figcaption><\/figure>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2460\u9996\u5148\u4f1a\u9a8c\u8bc1\u5ba2\u6237\u7aef\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u662f\u5426\u6b63\u786e\uff1a<\/p>\n<\/li>\n<ul style=\"line-height: 1.75;padding-left: 1em;list-style-position: initial;list-style-image: initial;\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u5982\u679c\u7528\u6237\u540d\u4e0d\u5b58\u5728\u6216\u5bc6\u7801\u9519\u8bef\uff0c\u5219\u629b\u51fa<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">1045<\/code>\u7684\u9519\u8bef\u7801\u53ca\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u5982\u679c\u7528\u6237\u540d\u548c\u5bc6\u7801\u9a8c\u8bc1\u901a\u8fc7\uff0c\u5219\u8fdb\u5165\u7b2c\u2461\u6b65\u3002<\/p>\n<\/li>\n<\/ul>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2461\u5224\u65ad<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u8fde\u63a5\u6c60\u4e2d\u662f\u5426\u5b58\u5728\u7a7a\u95f2\u7ebf\u7a0b\uff1a<\/p>\n<\/li>\n<ul style=\"line-height: 1.75;padding-left: 1em;list-style-position: initial;list-style-image: initial;\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u5b58\u5728\uff1a\u76f4\u63a5\u4ece\u8fde\u63a5\u6c60\u4e2d\u5206\u914d\u4e00\u6761\u7a7a\u95f2\u7ebf\u7a0b\u7ef4\u62a4\u5f53\u524d\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u4e0d\u5b58\u5728\uff1a\u521b\u5efa\u4e00\u6761\u65b0\u7684\u5de5\u4f5c\u7ebf\u7a0b\uff08\u6620\u5c04\u5185\u6838\u7ebf\u7a0b\u3001\u5206\u914d\u6808\u7a7a\u95f4....\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2462\u5de5\u4f5c\u7ebf\u7a0b\u4f1a\u5148\u67e5\u8be2<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u81ea\u8eab\u7684\u7528\u6237\u6743\u9650\u8868\uff0c\u83b7\u53d6\u5f53\u524d\u767b\u5f55\u7528\u6237\u7684\u6743\u9650\u4fe1\u606f\u5e76\u6388\u6743\u3002<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5230\u8fd9\u91cc\u4e3a\u6b62\uff0c\u6267\u884c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u524d\u7684\u51c6\u5907\u5de5\u4f5c\u5c31\u5b8c\u6210\u4e86\uff0c\u5df2\u7ecf\u6253\u901a\u4e86\u6267\u884c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u901a\u9053\uff0c\u4e0b\u4e00\u6b65\u5219\u662f\u51c6\u5907\u6267\u884c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\uff0c\u5de5\u4f5c\u7ebf\u7a0b\u4f1a\u7b49\u5f85\u5ba2\u6237\u7aef\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u4f20\u9012\u8fc7\u6765\u3002<\/p>\n<h2 style=\"letter-spacing: normal;white-space: normal;text-align: center;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.2em;font-weight: bold;display: table;margin: 4em auto 2em;padding-right: 0.2em;padding-left: 0.2em;background: rgb(15, 76, 129);color: rgb(255, 255, 255);\">\u4e09\u3001\u4e00\u6761SQL\u8bed\u53e5\u5728\u6570\u636e\u5e93\u4e2d\u662f\u5982\u4f55\u6267\u884c\u7684\uff1f<\/h2>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u7ecf\u8fc7\u8fde\u63a5\u5c42\u7684\u4e00\u7cfb\u5217\u5de5\u4f5c\u540e\uff0c\u63a5\u7740\u5ba2\u6237\u7aef\u4f1a\u5c06\u8981\u6267\u884c\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u901a\u8fc7\u8fde\u63a5\u53d1\u9001\u8fc7\u6765\uff0c\u7136\u540e\u4f1a\u8fdb\u884c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u670d\u52a1\u5c42\u8fdb\u884c\u5904\u7406\uff0c\u4e0d\u8fc7\u6839\u636e\u7528\u6237\u7684\u64cd\u4f5c\u4e0d\u540c\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u6267\u884c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u65f6\u4e5f\u4f1a\u5b58\u5728\u4e9b\u8bb8\u5dee\u5f02\uff0c\u8fd9\u91cc\u662f\u6307\u8bfb\u64cd\u4f5c\u548c\u5199\u64cd\u4f5c\uff0c\u4e24\u8005<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u6267\u884c\u8fc7\u7a0b\u5e76\u4e0d\u76f8\u540c\uff0c\u4e0b\u9762\u5148\u6765\u770b\u770b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">select<\/code>\u8bed\u53e5\u7684\u6267\u884c\u8fc7\u7a0b\u3002<\/p>\n<h3 style=\"letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.2;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.1em;font-weight: bold;margin-top: 2em;margin-right: 8px;margin-bottom: 0.75em;padding-left: 8px;border-left: 3px solid rgb(15, 76, 129);color: rgb(63, 63, 63);\">3.1\u3001\u4e00\u6761\u67e5\u8be2SQL\u7684\u6267\u884c\u8fc7\u7a0b<\/h3>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5728\u5206\u6790\u67e5\u8be2<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u6267\u884c\u6d41\u7a0b\u4e4b\u524d\uff0c\u54b1\u4eec\u5148\u6a21\u62df\u4e00\u4e2a\u6848\u4f8b\uff0c\u4ee5\u4fbf\u4e8e\u540e\u7eed\u5206\u6790\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(92, 99, 112);font-style: italic;\">--SQL\u8bed\u53e5<\/span><span style=\"color: rgb(198, 120, 221);\">SELECT<\/span>user_id<span style=\"color: rgb(198, 120, 221);\">FROM<\/span>`zz_user`<span style=\"color: rgb(198, 120, 221);\">WHERE<\/span>user_sex=\"\u7537\"<span style=\"color: rgb(198, 120, 221);\">AND<\/span>user_name=\"\u7af9\u5b50\u2463\u53f7\";<span style=\"color: rgb(92, 99, 112);font-style: italic;\">--\u8868\u6570\u636e<\/span>+<span style=\"color: rgb(92, 99, 112);font-style: italic;\">---------+--------------+----------+-------------+<\/span>|user_id|user_name|user_sex|user_phone|+<span style=\"color: rgb(92, 99, 112);font-style: italic;\">---------+--------------+----------+-------------+<\/span>|<span style=\"color: rgb(209, 154, 102);\">1<\/span>|\u7af9\u5b50\u2460\u53f7|\u7537|<span style=\"color: rgb(209, 154, 102);\">18888888888<\/span>||<span style=\"color: rgb(209, 154, 102);\">2<\/span>|\u7af9\u5b50\u2461\u53f7|\u7537|<span style=\"color: rgb(209, 154, 102);\">13588888888<\/span>||<span style=\"color: rgb(209, 154, 102);\">3<\/span>|\u7af9\u5b50\u2462\u53f7|\u7537|<span style=\"color: rgb(209, 154, 102);\">15688888888<\/span>||<span style=\"color: rgb(209, 154, 102);\">4<\/span>|\u718a\u732b\u2460\u53f7|\u5973|<span style=\"color: rgb(209, 154, 102);\">13488888888<\/span>||<span style=\"color: rgb(209, 154, 102);\">5<\/span>|\u718a\u732b\u2461\u53f7|\u5973|<span style=\"color: rgb(209, 154, 102);\">18588888888<\/span>||<span style=\"color: rgb(209, 154, 102);\">6<\/span>|\u7af9\u5b50\u2463\u53f7|\u7537|<span style=\"color: rgb(209, 154, 102);\">17777777777<\/span>||<span style=\"color: rgb(209, 154, 102);\">7<\/span>|\u718a\u732b\u2462\u53f7|\u5973|<span style=\"color: rgb(209, 154, 102);\">16666666666<\/span>|+<span style=\"color: rgb(92, 99, 112);font-style: italic;\">---------+--------------+----------+-------------+<\/span><\/code><\/pre>\n<p><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u5148\u4e0a\u4e2a<\/span><code style=\"white-space:pre-wrap;letter-spacing: normal;text-align: left;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u6267\u884c\u7684\u5b8c\u6574\u6d41\u7a0b\u56fe\uff0c\u540e\u7eed\u518d\u9010\u6b65\u5206\u6790\u6bcf\u4e2a\u8fc7\u7a0b\uff1a<\/span><\/p>\n<figure style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;color: rgb(63, 63, 63);\"><img decoding=\"async\" class=\"lazyload\"data-ratio=\"0.9349593495934959\"  data-type=\"png\" data-w=\"738\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/08\/20240801215813343.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" data-ratio=\"0.9349593495934959\"  data-type=\"png\" data-w=\"738\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/08\/20240801215813343.png\"  \/><\/noscript><figcaption style=\"text-align: center;line-height: 1.75;color: rgb(136, 136, 136);font-size: 0.8em;\">SQL\u6267\u884c\u8fc7\u7a0b<\/figcaption><\/figure>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2460\u5148\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u53d1\u9001\u7ed9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\u4f1a\u5bf9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u8fdb\u884c\u54c8\u5e0c\u5904\u7406\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2461<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\u5728\u7f13\u5b58\u4e2d\u6839\u636e\u54c8\u5e0c\u503c\u68c0\u7d22\u6570\u636e\uff0c\u5982\u679c\u7f13\u5b58\u4e2d\u6709\u5219\u76f4\u63a5\u8fd4\u56de\u6570\u636e\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2462\u7f13\u5b58\u4e2d\u672a\u547d\u4e2d\u65f6\u4f1a\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u4ea4\u7ed9\u89e3\u6790\u5668\uff0c\u89e3\u6790\u5668\u4f1a\u5224\u65ad<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u662f\u5426\u6b63\u786e\uff1a<\/p>\n<\/li>\n<ul style=\"line-height: 1.75;padding-left: 1em;list-style-position: initial;list-style-image: initial;\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u9519\u8bef\uff1a\u629b\u51fa<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">1064<\/code>\u9519\u8bef\u7801\u53ca\u76f8\u5173\u7684\u8bed\u6cd5\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u6b63\u786e\uff1a\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u4ea4\u7ed9\u4f18\u5316\u5668\u5904\u7406\uff0c\u8fdb\u5165\u7b2c\u2463\u6b65\u3002<\/p>\n<\/li>\n<\/ul>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2463\u4f18\u5316\u5668\u6839\u636e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u5236\u5b9a\u51fa\u4e0d\u540c\u7684\u6267\u884c\u65b9\u6848\uff0c\u5e76\u62e9\u9009\u51fa\u6700\u4f18\u7684\u6267\u884c\u8ba1\u5212\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2464\u5de5\u4f5c\u7ebf\u7a0b\u6839\u636e\u6267\u884c\u8ba1\u5212\uff0c\u8c03\u7528\u5b58\u50a8\u5f15\u64ce\u6240\u63d0\u4f9b\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">API<\/code>\u83b7\u53d6\u6570\u636e\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2465\u5b58\u50a8\u5f15\u64ce\u6839\u636e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">API<\/code>\u8c03\u7528\u65b9\u7684\u64cd\u4f5c\uff0c\u53bb\u78c1\u76d8\u4e2d\u68c0\u7d22\u6570\u636e\uff08\u7d22\u5f15\u3001\u8868\u6570\u636e....\uff09\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2466\u53d1\u751f\u78c1\u76d8<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">IO<\/code>\u540e\uff0c\u5bf9\u4e8e\u78c1\u76d8\u4e2d\u7b26\u5408\u8981\u6c42\u7684\u6570\u636e\u9010\u6761\u8fd4\u56de\u7ed9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2467<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\u4f1a\u5bf9\u6240\u6709\u7684\u7ed3\u679c\u96c6\u8fdb\u884c\u5904\u7406\uff08\u5254\u9664\u5217\u3001\u5408\u5e76\u6570\u636e....\uff09\u5e76\u8fd4\u56de\u3002<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0a\u8ff0\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6d41\u7a0b\u6982\u8ff0\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u67e5\u8be2<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u6267\u884c\u90fd\u4f1a\u7ecf\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u4e0b\u9762\u518d\u5c06\u6bcf\u4e00\u6b65\u62c6\u5f00\u8be6\u7ec6\u804a\u4e00\u804a\u3002<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">SQL\u63a5\u53e3\u4f1a\u5e72\u7684\u5de5\u4f5c<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u5f53\u5ba2\u6237\u7aef\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u53d1\u9001\u8fc7\u6765\u4e4b\u540e\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7d27\u63a5\u7740\u4f1a\u4ea4\u7ed9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\u5904\u7406\uff0c\u9996\u5148\u4f1a\u5bf9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u505a\u54c8\u5e0c\u5904\u7406\uff0c\u4e5f\u5c31\u662f\u6839\u636e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u8ba1\u7b97\u51fa\u4e00\u4e2a\u54c8\u5e0c\u503c\uff0c\u7136\u540e\u53bb\u300c\u67e5\u8be2\u7f13\u5b58\u300d\u4e2d\u6bd4\u5bf9\uff0c\u5982\u679c\u7f13\u5b58\u4e2d\u5b58\u5728\u76f8\u540c\u7684\u54c8\u5e0c\u503c\uff0c\u5219\u4ee3\u8868\u7740\u4e4b\u524d\u7f13\u5b58\u8fc7\u76f8\u540c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u7684\u7ed3\u679c\uff0c\u90a3\u6b64\u65f6\u5219\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u7ed3\u679c\u5e76\u54cd\u5e94\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u5728\u8fd9\u91cc\uff0c\u5982\u679c\u6ca1\u6709\u4ece\u7f13\u5b58\u4e2d\u67e5\u8be2\u5230\u6570\u636e\uff0c\u7d27\u63a5\u7740\u4f1a\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u4ea4\u7ed9\u89e3\u6790\u5668\u53bb\u5904\u7406\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\u9664\u5f00\u5bf9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8fdb\u884c\u4e0a\u8ff0\u7684\u5904\u7406\u5916\uff0c\u540e\u7eed\u8fd8\u4f1a\u8d1f\u8d23\u5904\u7406\u7ed3\u679c\u96c6\uff08\u7a0d\u540e\u5206\u6790\uff09\u3002<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u89e3\u6790\u5668\u4e2d\u4f1a\u5e72\u7684\u5de5\u4f5c<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u89e3\u6790\u5668\u6536\u5230<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u540e\uff0c\u4f1a\u5f00\u59cb\u68c0\u6d4b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u662f\u5426\u6b63\u786e\uff0c\u4e5f\u5c31\u662f\u505a\u8bcd\u6cd5\u5206\u6790\u3001\u8bed\u4e49\u5206\u6790\u7b49\u5de5\u4f5c\uff0c\u5728\u8fd9\u4e00\u6b65\uff0c\u89e3\u6790\u5668\u4f1a\u6839\u636e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u8a00\u7684\u8bed\u6cd5\u89c4\u5219\uff0c\u5224\u65ad\u5ba2\u6237\u7aef\u4f20\u9012\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u662f\u5426\u5408\u89c4\uff0c\u5982\u679c\u4e0d\u5408\u89c4\u5c31\u4f1a\u8fd4\u56de<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">1064<\/code>\u9519\u8bef\u7801\u53ca\u9519\u8bef\u4fe1\u606f\uff1a<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">ERROR 1064 (42000): You have an error in your SQL syntax; check....<\/code><\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u4f46\u5982\u679c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u6ca1\u6709\u95ee\u9898\uff0c\u6b64\u65f6\u5c31\u4f1a\u5bf9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u8fdb\u884c\u5173\u952e\u5b57\u5206\u6790\uff0c\u4e5f\u5c31\u662f\u6839\u636e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u4e2d\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SELECT\u3001UPDATE\u3001DELETE<\/code>\u7b49\u5173\u952e\u5b57\uff0c\u5148\u5224\u65ad<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u7684\u64cd\u4f5c\u7c7b\u578b\uff0c\u662f\u8bfb\u64cd\u4f5c\u8fd8\u662f\u5199\u64cd\u4f5c\uff0c\u7136\u540e\u518d\u6839\u636e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">FROM<\/code>\u5173\u952e\u5b57\u6765\u786e\u5b9a\u672c\u6b21<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u8981\u64cd\u4f5c\u7684\u662f\u54ea\u5f20\u8868\uff0c\u4e5f\u4f1a\u6839\u636e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">WHERE<\/code>\u5173\u952e\u5b57\u540e\u9762\u7684\u5185\u5bb9\uff0c\u786e\u5b9a\u672c\u6b21<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u4e00\u4e9b\u7ed3\u679c\u7b5b\u9009\u6761\u4ef6.....\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u603b\u4e4b\uff0c\u7ecf\u8fc7\u5173\u952e\u5b57\u5206\u6790\u540e\uff0c\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u8981\u5e72\u7684\u5177\u4f53\u5de5\u4f5c\u5c31\u4f1a\u88ab\u89e3\u6790\u51fa\u6765\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u89e3\u6790\u4e86<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u4e2d\u7684\u5173\u952e\u5b57\u4e4b\u540e\uff0c\u89e3\u6790\u5668\u4f1a\u6839\u636e\u5206\u6790\u51fa\u7684\u5173\u952e\u5b57\u4fe1\u606f\uff0c\u751f\u6210\u5bf9\u5e94\u7684\u8bed\u6cd5\u6811\uff0c\u7136\u540e\u4ea4\u7ed9\u4f18\u5316\u5668\u5904\u7406\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u5728\u8fd9\u4e00\u6b65\u4e5f\u5c31\u76f8\u5f53\u4e8eJava\u4e2d\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">.java<\/code>\u6e90\u4ee3\u7801\u53d8\u4e3a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">.class<\/code>\u5b57\u8282\u7801\u7684\u8fc7\u7a0b\uff0c\u76ee\u7684\u5c31\u662f\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u7ffb\u8bd1\u6210\u6570\u636e\u5e93\u53ef\u4ee5\u770b\u61c2\u7684\u6307\u4ee4\u3002<\/p>\n<\/blockquote>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u4f18\u5316\u5668\u4e2d\u4f1a\u5e72\u7684\u5de5\u4f5c<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u7ecf\u8fc7\u89e3\u6790\u5668\u7684\u5de5\u4f5c\u540e\u4f1a\u5f97\u5230\u4e00\u4e2a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u6cd5\u6811\uff0c\u4e5f\u5c31\u662f\u77e5\u9053\u4e86\u5ba2\u6237\u7aef\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u5927\u4f53\u8981\u5e72\u4ec0\u4e48\u4e8b\u60c5\u4e86\uff0c\u63a5\u7740\u4f18\u5316\u5668\u4f1a\u5bf9\u4e8e\u8fd9\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff0c\u7ed9\u51fa\u4e00\u4e2a\u6700\u4f18\u7684\u6267\u884c\u65b9\u6848\uff0c\u4e5f\u5c31\u662f\u544a\u8bc9\u5de5\u4f5c\u7ebf\u7a0b\u600e\u4e48\u6267\u884c\u6548\u7387\u6700\u9ad8\u3001\u6700\u8282\u7701\u8d44\u6e90\u4ee5\u53ca\u65f6\u95f4\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u4f18\u5316\u5668\u6700\u5f00\u59cb\u4f1a\u6839\u636e\u8bed\u6cd5\u6811\u5236\u5b9a\u51fa\u591a\u4e2a\u6267\u884c\u8ba1\u5212\uff0c\u7136\u540e\u4ece\u591a\u4e2a\u6267\u884c\u8ba1\u5212\u4e2d\u9009\u62e9\u51fa\u4e00\u4e2a\u6700\u597d\u7684\u8ba1\u5212\uff0c\u4ea4\u7ed9\u5de5\u4f5c\u7ebf\u7a0b\u53bb\u6267\u884c\uff0c\u4f46\u8fd9\u91cc\u7a76\u7adf\u662f\u5982\u4f55\u9009\u62e9\u6700\u4f18\u6267\u884c\u8ba1\u5212\u7684\uff0c\u76f8\u4fe1\u5927\u5bb6\u4e5f\u6bd4\u8f83\u597d\u5947\uff0c\u90a3\u6b64\u65f6\u6211\u4eec\u7ed3\u5408\u524d\u9762\u7ed9\u51fa\u7684\u6848\u4f8b\u5206\u6790\u4e00\u4e0b\u3002<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\">SELECT<\/span>user_id<span style=\"color: rgb(198, 120, 221);\">FROM<\/span>`zz_user`<span style=\"color: rgb(198, 120, 221);\">WHERE<\/span>user_sex=\"\u7537\"<span style=\"color: rgb(198, 120, 221);\">AND<\/span>user_name=\"\u7af9\u5b50\u2463\u53f7\";<\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5148\u6765\u770b\u770b\uff0c\u5bf9\u4e8e\u8fd9\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u800c\u8a00\uff0c\u603b\u5171\u6709\u51e0\u79cd\u6267\u884c\u65b9\u6848\u5462\uff1f\u7b54\u6848\u662f\u4e24\u79cd\u3002<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2460\u5148\u4ece\u8868\u4e2d\u5c06\u6240\u6709<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">user_sex=\"\u7537\"<\/code>\u7684\u6570\u636e\u67e5\u51fa\u6765\uff0c\u518d\u4ece\u7ed3\u679c\u4e2d\u83b7\u53d6<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">user_name=\"\u7af9\u5b50\u2463\u53f7\"<\/code>\u7684\u6570\u636e\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2461\u5148\u4ece\u8868\u4e2d\u5bfb\u627e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">user_name=\"\u7af9\u5b50\u2463\u53f7\"<\/code>\u7684\u6570\u636e\uff0c\u518d\u4ece\u7ed3\u679c\u4e2d\u83b7\u5f97<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">user_sex=\"\u7537\"<\/code>\u7684\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u518d\u7ed3\u5408\u524d\u9762\u7ed9\u51fa\u7684\u8868\u6570\u636e\uff0c\u6682\u4e14\u5206\u6790\u4e00\u4e0b\u4e0a\u8ff0\u4e24\u79cd\u6267\u884c\u8ba1\u5212\u54ea\u4e2a\u66f4\u597d\u5462\uff1f<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\">+<span style=\"color: rgb(92, 99, 112);font-style: italic;\">---------+--------------+----------+-------------+<\/span>|user_id|user_name|user_sex|user_phone|+<span style=\"color: rgb(92, 99, 112);font-style: italic;\">---------+--------------+----------+-------------+<\/span>|<span style=\"color: rgb(209, 154, 102);\">1<\/span>|\u7af9\u5b50\u2460\u53f7|\u7537|<span style=\"color: rgb(209, 154, 102);\">18888888888<\/span>||<span style=\"color: rgb(209, 154, 102);\">2<\/span>|\u7af9\u5b50\u2461\u53f7|\u7537|<span style=\"color: rgb(209, 154, 102);\">13588888888<\/span>||<span style=\"color: rgb(209, 154, 102);\">3<\/span>|\u7af9\u5b50\u2462\u53f7|\u7537|<span style=\"color: rgb(209, 154, 102);\">15688888888<\/span>||<span style=\"color: rgb(209, 154, 102);\">4<\/span>|\u718a\u732b\u2460\u53f7|\u5973|<span style=\"color: rgb(209, 154, 102);\">13488888888<\/span>||<span style=\"color: rgb(209, 154, 102);\">5<\/span>|\u718a\u732b\u2461\u53f7|\u5973|<span style=\"color: rgb(209, 154, 102);\">18588888888<\/span>||<span style=\"color: rgb(209, 154, 102);\">6<\/span>|\u7af9\u5b50\u2463\u53f7|\u7537|<span style=\"color: rgb(209, 154, 102);\">17777777777<\/span>||<span style=\"color: rgb(209, 154, 102);\">7<\/span>|\u718a\u732b\u2462\u53f7|\u5973|<span style=\"color: rgb(209, 154, 102);\">16666666666<\/span>|+<span style=\"color: rgb(92, 99, 112);font-style: italic;\">---------+--------------+----------+-------------+<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5982\u679c\u6309\u7167\u7b2c\u2460\u79cd\u65b9\u6848\u6267\u884c\uff0c\u6b64\u65f6\u4f1a\u5148\u5f97\u5230\u56db\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">user_sex=\"\u7537\"<\/code>\u7684\u6570\u636e\uff0c\u7136\u540e\u518d\u4ece\u56db\u6761\u6570\u636e\u4e2d\u67e5\u627e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">user_name=\"\u7af9\u5b50\u2463\u53f7\"<\/code>\u7684\u6570\u636e\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5982\u679c\u6309\u7167\u7b2c\u2461\u4e2d\u65b9\u6848\u6267\u884c\uff0c\u6b64\u65f6\u4f1a\u76f4\u63a5\u5f97\u5230\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">user_name=\"\u7af9\u5b50\u2463\u53f7\"<\/code>\u7684\u6570\u636e\uff0c\u7136\u540e\u518d\u5224\u65ad\u4e00\u4e0b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">user_sex<\/code>\u662f\u5426\u4e3a\"\u7537\"\uff0c\u662f\u5219\u76f4\u63a5\u8fd4\u56de\uff0c\u5426\u5219\u8fd4\u56de\u7a7a\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u76f8\u8f83\u4e8e\u4e24\u79cd\u6267\u884c\u65b9\u6848\u7684\u8fc7\u7a0b\uff0c\u524d\u8005\u9700\u8981\u626b\u4e00\u6b21\u5168\u8868\uff0c\u7136\u540e\u518d\u5bf9\u7ed3\u679c\u96c6\u9010\u6761\u5224\u65ad\u3002\u800c\u7b2c\u4e8c\u79cd\u65b9\u6848\u626b\u4e00\u6b21\u5168\u8868\u540e\uff0c\u53ea\u9700\u8981\u518d\u5224\u65ad\u4e00\u6b21\u5c31\u53ef\u4ee5\u4e86\uff0c\u5f88\u660e\u663e\u53ef\u4ee5\u611f\u77e5\u51fa\uff1a\u7b2c\u2461\u79cd\u6267\u884c\u8ba1\u5212\u662f\u6700\u4f18\u7684\uff0c\u56e0\u6b64\u4f18\u5316\u5668\u4f1a\u7ed9\u51fa\u7b2c\u2461\u79cd\u6267\u884c\u8ba1\u5212\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u7ecf\u8fc7\u4e0a\u8ff0\u6848\u4f8b\u7684\u8bb2\u89e3\u540e\uff0c\u5927\u5bb6\u5e94\u8be5\u80fd\u591f\u5bf9\u4f18\u5316\u5668\u7684\u5de5\u4f5c\u8fdb\u4e00\u6b65\u7406\u89e3\u3002\u4f46\u4e0a\u8ff0\u6848\u4f8b\u4ec5\u662f\u4e3a\u4e86\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\uff0c\u5b9e\u9645\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u4f18\u5316\u8fc7\u7a0b\u4f1a\u66f4\u52a0\u590d\u6742\uff0c\u4f8b\u5982\u591a\u8868<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">join<\/code>\u67e5\u8be2\u65f6\uff0c\u600e\u4e48\u67e5\u66f4\u5408\u9002\uff1f\u5355\u8868\u590d\u6742<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u67e5\u8be2\u65f6\uff0c\u6709\u591a\u6761\u7d22\u5f15\u53ef\u4ee5\u8d70\uff0c\u8d70\u54ea\u6761\u901f\u5ea6\u6700\u5feb....\uff0c\u56e0\u6b64\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u6700\u4f18\u6267\u884c\u8ba1\u5212\uff0c\u9700\u8981\u7ed3\u5408\u591a\u65b9\u9762\u7684\u4f18\u5316\u7b56\u7565\u6765\u751f\u6210\uff0c\u4f8b\u5982<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u4f18\u5316\u5668\u7684\u4e00\u4e9b\u4f18\u5316\u51c6\u5219\u5982\u4e0b\uff1a<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2776\u591a\u6761\u4ef6\u67e5\u8be2\u65f6\uff0c\u91cd\u6392\u6761\u4ef6\u5148\u540e\u987a\u5e8f\uff0c\u5c06\u6548\u7387\u66f4\u597d\u7684\u5b57\u6bb5\u6761\u4ef6\u653e\u5728\u524d\u9762\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2777\u5f53\u8868\u4e2d\u5b58\u5728\u591a\u4e2a\u7d22\u5f15\u65f6\uff0c\u9009\u62e9\u6548\u7387\u6700\u9ad8\u7684\u7d22\u5f15\u4f5c\u4e3a\u672c\u6b21\u67e5\u8be2\u7684\u76ee\u6807\u7d22\u5f15\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2778\u4f7f\u7528\u5206\u9875<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Limit<\/code>\u5173\u952e\u5b57\u65f6\uff0c\u67e5\u8be2\u5230\u5bf9\u5e94\u7684\u6570\u636e\u6761\u6570\u540e\u7ec8\u6b62\u626b\u8868\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2779\u591a\u8868<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">join<\/code>\u8054\u67e5\u65f6\uff0c\u5bf9\u67e5\u8be2\u8868\u7684\u987a\u5e8f\u91cd\u65b0\u5b9a\u4e49\uff0c\u540c\u6837\u4ee5\u6548\u7387\u4e3a\u51c6\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u277a\u5bf9\u4e8e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u4e2d\u4f7f\u7528\u51fd\u6570\u65f6\uff0c\u5982<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">count()\u3001max()\u3001min()...<\/code>\uff0c\u6839\u636e\u60c5\u51b5\u9009\u62e9\u6700\u4f18\u65b9\u6848\u3002<\/p>\n<\/li>\n<ul style=\"line-height: 1.75;padding-left: 1em;list-style-position: initial;list-style-image: initial;\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">max()<\/code>\u51fd\u6570\uff1a\u8d70<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">B+<\/code>\u6811\u6700\u53f3\u4fa7\u7684\u8282\u70b9\u67e5\u8be2\uff08\u5927\u7684\u5728\u53f3\uff0c\u5c0f\u7684\u5728\u5de6\uff09\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">min()<\/code>\u51fd\u6570\uff1a\u8d70<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">B+<\/code>\u6811\u6700\u5de6\u4fa7\u7684\u8282\u70b9\u67e5\u8be2\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">count()<\/code>\u51fd\u6570\uff1a\u5982\u679c\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MyISAM<\/code>\u5f15\u64ce\uff0c\u76f4\u63a5\u83b7\u53d6\u5f15\u64ce\u7edf\u8ba1\u7684\u603b\u884c\u6570\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">......<\/code><\/p>\n<\/li>\n<\/ul>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u277b\u5bf9\u4e8e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">group by<\/code>\u5206\u7ec4\u6392\u5e8f\uff0c\u4f1a\u5148\u67e5\u8be2\u6240\u6709\u6570\u636e\u540e\u518d\u7edf\u4e00\u6392\u5e8f\uff0c\u800c\u4e0d\u662f\u4e00\u5f00\u59cb\u5c31\u6392\u5e8f\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u277c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">......<\/code><\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u603b\u4e4b\uff0c\u6839\u636e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u4e0d\u540c\uff0c\u4f18\u5316\u5668\u4e5f\u4f1a\u57fa\u4e8e\u4e0d\u540c\u7684\u4f18\u5316\u51c6\u5219\u9009\u62e9\u51fa\u6700\u4f73\u7684\u6267\u884c\u8ba1\u5212\u3002\u4f46\u9700\u8981\u7262\u8bb0\u7684\u4e00\u70b9\u662f\uff1a**<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u867d\u7136\u6709\u4f18\u5316\u5668\uff0c\u4f46\u5bf9\u4e8e\u6548\u7387\u5f71\u54cd\u6700\u5927\u7684\u8fd8\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u672c\u8eab\uff0c\u56e0\u6b64\u7f16\u5199\u51fa\u4e00\u6761\u4f18\u79c0\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff0c\u624d\u662f\u63d0\u5347\u6548\u7387\u7684\u6700\u5927\u8981\u7d20**\u3002<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u5b58\u50a8\u5f15\u64ce\u4e2d\u4f1a\u5e72\u7684\u5de5\u4f5c<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u7ecf\u8fc7\u4f18\u5316\u5668\u540e\uff0c\u4f1a\u5f97\u5230\u4e00\u4e2a\u6700\u4f18\u7684\u6267\u884c\u8ba1\u5212\uff0c\u7d27\u63a5\u7740\u5de5\u4f5c\u7ebf\u7a0b\u4f1a\u6839\u636e\u6700\u4f18\u8ba1\u5212\uff0c\u53bb\u4f9d\u6b21\u8c03\u7528\u5b58\u50a8\u5f15\u64ce\u63d0\u4f9b\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">API<\/code>\uff0c\u5728\u4e0a\u7bc7\u6587\u7ae0\u4e2d\u63d0\u5230\u8fc7\uff0c\u5b58\u50a8\u5f15\u64ce\u4e3b\u8981\u5c31\u662f\u8d1f\u8d23\u5728\u78c1\u76d8\u8bfb\u5199\u6570\u636e\u7684\uff0c\u4e0d\u540c\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u5b58\u50a8\u5728\u672c\u5730\u78c1\u76d8\u4e2d\u7684\u6570\u636e\u7ed3\u6784\u4e5f\u5e76\u4e0d\u76f8\u540c\uff0c\u4f46\u8fd9\u4e9b\u5e95\u5c42\u5b9e\u73b0\u5e76\u4e0d\u9700\u8981<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u7684\u4e0a\u5c42\u670d\u52a1\u5173\u5fc3\uff0c\u56e0\u4e3a\u4e0a\u5c42\u670d\u52a1\u53ea\u9700\u8981\u8d1f\u8d23\u8c03\u7528\u5bf9\u5e94\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">API<\/code>\u5373\u53ef\uff0c\u5b58\u50a8\u5f15\u64ce\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">API<\/code>\u529f\u80fd\u90fd\u662f\u76f8\u540c\u7684\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u5de5\u4f5c\u7ebf\u7a0b\u6839\u636e\u6267\u884c\u8ba1\u5212\u8c03\u7528\u5b58\u50a8\u5f15\u64ce\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">API<\/code>\u67e5\u8be2\u6307\u5b9a\u7684\u8868\uff0c\u6700\u7ec8\u4e5f\u5c31\u662f\u4f1a\u53d1\u751f\u78c1\u76d8<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">IO<\/code>\uff0c\u4ece\u78c1\u76d8\u4e2d\u68c0\u7d22\u6570\u636e\uff0c\u5f53\u7136\uff0c\u68c0\u7d22\u7684\u6570\u636e\u6709\u53ef\u80fd\u662f\u78c1\u76d8\u4e2d\u7684\u7d22\u5f15\u6587\u4ef6\uff0c\u4e5f\u6709\u53ef\u80fd\u662f\u78c1\u76d8\u4e2d\u7684\u8868\u6570\u636e\u6587\u4ef6\uff0c\u8fd9\u70b9\u8981\u6839\u636e\u6267\u884c\u8ba1\u5212\u6765\u51b3\u5b9a\uff0c\u6211\u4eec\u53ea\u9700\u8981\u8bb0\u4f4f\uff0c\u7ecf\u8fc7\u8fd9\u4e00\u6b65\u4e4b\u540e\u603b\u80fd\u591f\u5f97\u5230\u6267\u884c\u7ed3\u679c\u5373\u53ef\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u4f46\u6709\u4e2a\u5c0f\u7ec6\u8282\uff0c\u8fd8\u8bb0\u5f97\u6700\u5f00\u59cb\u521b\u5efa\u6570\u636e\u5e93\u8fde\u63a5\u65f6\uff0c\u5bf9\u767b\u5f55\u7528\u6237\u7684\u6388\u6743\u6b65\u9aa4\u561b\uff1f\u5f53\u5de5\u4f5c\u7ebf\u7a0b\u53bb\u5c1d\u8bd5\u67e5\u8be2\u67d0\u5f20\u8868\u65f6\uff0c\u4f1a\u9996\u5148\u5224\u65ad\u4e00\u4e0b\u7ebf\u7a0b\u81ea\u8eab\u7ef4\u62a4\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\uff0c\u5176\u767b\u5f55\u7684\u7528\u6237\u662f\u5426\u5177\u5907\u8fd9\u5f20\u8868\u7684\u64cd\u4f5c\u6743\u9650\uff0c\u5982\u679c\u4e0d\u5177\u5907\u5219\u4f1a\u76f4\u63a5\u8fd4\u56de\u6743\u9650\u4e0d\u8db3\u7684\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u4e0d\u8fc7\u5b58\u50a8\u5f15\u64ce\u4ece\u78c1\u76d8\u4e2d\u68c0\u7d22\u51fa\u76ee\u6807\u6570\u636e\u540e\uff0c\u5e76\u4e0d\u4f1a\u5c06\u6240\u6709\u6570\u636e\u5168\u90e8\u5f97\u5230\u540e\u518d\u8fd4\u56de\uff0c\u800c\u662f\u4f1a\u9010\u6761\u8fd4\u56de\u7ed9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\uff0c\u7136\u540e\u4f1a\u7531<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\u5b8c\u6210\u6700\u540e\u7684\u6570\u636e\u805a\u5408\u5de5\u4f5c\uff0c\u5bf9\u4e8e\u8fd9\u70b9\u7a0d\u540e\u4f1a\u8be6\u7ec6\u5206\u6790\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u4e0b\u6765\u518d\u6765\u770b\u770b\u5199\u5165<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u6267\u884c\u8fc7\u7a0b\uff0c\u56e0\u4e3a\u8bfb\u53d6\u548c\u5199\u5165\u64cd\u4f5c\u4e4b\u95f4\uff0c\u4e5f\u4f1a\u5b58\u5728\u4e9b\u8bb8\u5dee\u5f02\u3002<\/p>\n<\/blockquote>\n<h3 style=\"letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.2;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.1em;font-weight: bold;margin-top: 2em;margin-right: 8px;margin-bottom: 0.75em;padding-left: 8px;border-left: 3px solid rgb(15, 76, 129);color: rgb(63, 63, 63);\">3.2\u3001\u4e00\u6761\u5199\u5165SQL\u7684\u6267\u884c\u8fc7\u7a0b<\/h3>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u5047\u8bbe\u6b64\u65f6\u8981\u6267\u884c\u4e0b\u8ff0\u8fd9\u4e00\u6761\u5199\u5165\u7c7b\u578b\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\uff08\u8fd8\u662f\u57fa\u4e8e\u4e4b\u524d\u7684\u8868\u6570\u636e\uff09\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\">UPDATE<\/span>`zz_user`<span style=\"color: rgb(198, 120, 221);\">SET<\/span>user_sex=\"\u5973\"<span style=\"color: rgb(198, 120, 221);\">WHERE<\/span>user_id=<span style=\"color: rgb(209, 154, 102);\">6<\/span>;<\/code><\/pre>\n<p><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u4e0a\u9762\u8fd9\u6761<\/span><code style=\"white-space:pre-wrap;letter-spacing: normal;text-align: left;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u662f\u4e00\u6761\u5178\u578b\u7684\u4fee\u6539<\/span><code style=\"white-space:pre-wrap;letter-spacing: normal;text-align: left;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\uff0c\u4f46\u9664\u5f00\u4fee\u6539\u64cd\u4f5c\u5916\uff0c\u65b0\u589e\u3001\u5220\u9664\u7b49\u64cd\u4f5c\u4e5f\u5c5e\u4e8e\u5199\u64cd\u4f5c\uff0c\u5199\u64cd\u4f5c\u7684\u610f\u601d\u662f\u6307\u4f1a\u5bf9\u8868\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u66f4\u6539\u3002\u540c\u6837\u5148\u4e0a\u4e00\u4e2a\u5b8c\u6574\u7684\u6d41\u7a0b\u56fe\uff1a<\/span><\/p>\n<figure style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;color: rgb(63, 63, 63);\"><img decoding=\"async\" class=\"lazyload\"data-ratio=\"0.9693396226415094\"  data-type=\"png\" data-w=\"848\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/08\/20240801215815177.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" data-ratio=\"0.9693396226415094\"  data-type=\"png\" data-w=\"848\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/08\/20240801215815177.png\"  \/><\/noscript><figcaption style=\"text-align: center;line-height: 1.75;color: rgb(136, 136, 136);font-size: 0.8em;\">\u5199SQL\u6267\u884c\u6d41\u7a0b<\/figcaption><\/figure>\n<p><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u4ece\u4e0a\u56fe\u6765\u770b\uff0c\u76f8\u8f83\u4e8e\u67e5\u8be2<\/span><code style=\"white-space:pre-wrap;letter-spacing: normal;text-align: left;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\uff0c\u5199\u64cd\u4f5c\u7684<\/span><code style=\"white-space:pre-wrap;letter-spacing: normal;text-align: left;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u6267\u884c\u6d41\u7a0b\u660e\u663e\u4f1a\u66f4\u590d\u6742\u4e00\u4e9b\uff0c\u8fd9\u91cc\u4e5f\u5148\u7b80\u5355\u603b\u7ed3\u4e00\u4e0b\u6bcf\u4e00\u6b65\u6d41\u7a0b\uff0c\u7136\u540e\u518d\u8be6\u7ec6\u5206\u6790\u4e00\u4e0b\u5176\u4e2d\u4e00\u4e9b\u4e0e\u67e5\u8be2<\/span><code style=\"white-space:pre-wrap;letter-spacing: normal;text-align: left;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u4e2d\u4e0d\u540c\u7684\u6b65\u9aa4\uff1a<\/span><\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-2\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2460\u5148\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u53d1\u9001\u7ed9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\u4f1a\u5bf9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u8fdb\u884c\u54c8\u5e0c\u5904\u7406\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2461\u5728\u7f13\u5b58\u4e2d\u6839\u636e\u54c8\u5e0c\u503c\u68c0\u7d22\u6570\u636e\uff0c\u5982\u679c\u7f13\u5b58\u4e2d\u6709\u5219\u5c06\u5bf9\u5e94\u8868\u7684\u6240\u6709\u7f13\u5b58\u5168\u90e8\u5220\u9664\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2462\u7ecf\u8fc7\u7f13\u5b58\u540e\u4f1a\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u4ea4\u7ed9\u89e3\u6790\u5668\uff0c\u89e3\u6790\u5668\u4f1a\u5224\u65ad<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u662f\u5426\u6b63\u786e\uff1a<\/p>\n<\/li>\n<ul style=\"line-height: 1.75;padding-left: 1em;list-style-position: initial;list-style-image: initial;\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u9519\u8bef\uff1a\u629b\u51fa<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">1064<\/code>\u9519\u8bef\u7801\u53ca\u76f8\u5173\u7684\u8bed\u6cd5\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u6b63\u786e\uff1a\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u4ea4\u7ed9\u4f18\u5316\u5668\u5904\u7406\uff0c\u8fdb\u5165\u7b2c\u2463\u6b65\u3002<\/p>\n<\/li>\n<\/ul>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2463\u4f18\u5316\u5668\u6839\u636e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u5236\u5b9a\u51fa\u4e0d\u540c\u7684\u6267\u884c\u65b9\u6848\uff0c\u5e76\u62e9\u9009\u51fa\u6700\u4f18\u7684\u6267\u884c\u8ba1\u5212\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2464\u5728\u6267\u884c\u5f00\u59cb\u4e4b\u524d\uff0c\u5148\u8bb0\u5f55\u4e00\u4e0b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">undo-log<\/code>\u65e5\u5fd7\u548c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">redo-log(prepare\u72b6\u6001)<\/code>\u65e5\u5fd7\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2465\u5728\u7f13\u51b2\u533a\u4e2d\u67e5\u627e\u662f\u5426\u5b58\u5728\u5f53\u524d\u8981\u64cd\u4f5c\u7684\u884c\u8bb0\u5f55\u6216\u8868\u6570\u636e\uff08\u5185\u5b58\u4e2d\uff09\uff1a<\/p>\n<\/li>\n<ul style=\"line-height: 1.75;padding-left: 1em;list-style: disc;\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2466\u6839\u636e\u6267\u884c\u8ba1\u5212\uff0c\u8c03\u7528\u5b58\u50a8\u5f15\u64ce\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">API<\/code>\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2467\u53d1\u751f\u78c1\u76d8<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">IO<\/code>\uff0c\u5bf9\u78c1\u76d8\u4e2d\u7684\u6570\u636e\u505a\u5199\u64cd\u4f5c\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2466\u76f4\u63a5\u5bf9\u7f13\u51b2\u533a\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u5199\u64cd\u4f5c\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2467\u7136\u540e\u5229\u7528<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Checkpoint<\/code>\u673a\u5236\u5237\u5199\u5230\u78c1\u76d8\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u5b58\u5728\uff1a<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u4e0d\u5b58\u5728\uff1a<\/p>\n<\/li>\n<\/ul>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2468\u5199\u64cd\u4f5c\u5b8c\u6210\u540e\uff0c\u8bb0\u5f55<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">bin-log<\/code>\u65e5\u5fd7\uff0c\u540c\u65f6\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">redo-log<\/code>\u65e5\u5fd7\u4e2d\u7684\u8bb0\u5f55\u6539\u4e3a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">commit<\/code>\u72b6\u6001\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022\u2469\u5c06<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u6267\u884c\u8017\u65f6\u53ca\u64cd\u4f5c\u6210\u529f\u7684\u7ed3\u679c\u8fd4\u56de\u7ed9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\uff0c\u518d\u7531<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n<\/li>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6574\u4e2a\u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u6267\u884c\u8fc7\u7a0b\uff0c\u524d\u9762\u7684\u4e00\u4e9b\u6b65\u9aa4\u4e0e\u67e5<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u6267\u884c\u7684\u8fc7\u7a0b\u6ca1\u592a\u5927\u5dee\u5f02\uff0c\u552f\u4e00\u4e00\u70b9\u4e0d\u540c\u7684\u5728\u4e8e\u7f13\u5b58\u90a3\u91cc\uff0c\u539f\u672c\u67e5\u8be2\u65f6\u662f\u4ece\u7f13\u5b58\u4e2d\u5c1d\u8bd5\u83b7\u53d6\u6570\u636e\u3002\u800c\u5199\u64cd\u4f5c\u65f6\uff0c\u7531\u4e8e\u8981\u5bf9\u8868\u6570\u636e\u53d1\u751f\u66f4\u6539\uff0c\u56e0\u6b64\u5982\u679c\u5728\u7f13\u5b58\u4e2d\u53d1\u73b0\u4e86\u8981\u64cd\u4f5c\u7684\u8868\u5b58\u5728\u7f13\u5b58\uff0c\u5219\u9700\u8981\u5c06\u6574\u4e2a\u8868\u7684\u6240\u6709\u7f13\u5b58\u6e05\u7a7a\uff0c\u786e\u4fdd\u7f13\u5b58\u7684\u5f3a\u4e00\u81f4\u6027\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">OK~\uff0c\u9664\u5f00\u4e0a\u8ff0\u8fd9\u70b9\u533a\u522b\u5916\uff0c\u53e6\u5916\u591a\u51fa\u4e86\u552f\u4e00\u6027\u5224\u65ad\u3001\u4e00\u4e2a\u7f13\u51b2\u533a\u5199\u5165\uff0c\u4ee5\u53ca\u51e0\u4e2a\u5199\u5165\u65e5\u5fd7\u7684\u6b65\u9aa4\uff0c\u63a5\u4e0b\u6765\u4e00\u8d77\u6765\u804a\u804a\u8fd9\u4e9b\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u552f\u4e00\u6027\u5224\u65ad\u4e3b\u8981\u662f\u9488\u5bf9\u63d2\u5165\u3001\u4fee\u6539\u8bed\u53e5\u6765\u8bf4\u7684\uff0c\u56e0\u4e3a\u5982\u679c\u8868\u4e2d\u7684\u67d0\u4e2a\u5b57\u6bb5\u5efa\u7acb\u4e86\u552f\u4e00\u7ea6\u675f\u6216\u552f\u4e00\u7d22\u5f15\u540e\uff0c\u5f53\u63d2\u5165\/\u4fee\u6539\u4e00\u6761\u6570\u636e\u65f6\uff0c\u5c31\u4f1a\u5148\u68c0\u6d4b\u4e00\u4e0b\u76ee\u524d\u63d2\u5165\/\u4fee\u6539\u7684\u503c\uff0c\u662f\u5426\u4e0e\u8868\u4e2d\u7684\u552f\u4e00\u5b57\u6bb5\u5b58\u5728\u51b2\u7a81\uff0c\u5982\u679c\u8868\u4e2d\u5df2\u7ecf\u5b58\u5728\u76f8\u540c\u7684\u503c\uff0c\u5219\u4f1a\u76f4\u63a5\u629b\u51fa\u5f02\u5e38\uff0c\u53cd\u4e4b\u4f1a\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u5f88\u7b80\u5355\u54c8~\uff0c\u63a5\u7740\u518d\u6765\u804a\u804a\u7f13\u51b2\u533a\u548c\u65e5\u5fd7\uff01<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5176\u5b9e\u5728\u4e0a\u7bc7\u4e2d\u804a\u5230\u8fc7\uff0c\u7531\u4e8e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">CPU<\/code>\u548c\u78c1\u76d8\u4e4b\u95f4\u7684\u6027\u80fd\u5dee\u8ddd\u5b9e\u5728\u8fc7\u5927\uff0c\u56e0\u6b64<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u4e2d\u4f1a\u5728\u5185\u5b58\u4e2d\u8bbe\u8ba1\u4e00\u4e2a\u300c\u7f13\u51b2\u533a\u300d\u7684\u6982\u5ff5\uff0c\u4e3b\u8981\u76ee\u7684\u662f\u5728\u4e8e\u5f25\u8865<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">CPU<\/code>\u4e0e\u78c1\u76d8\u4e4b\u95f4\u7684\u6027\u80fd\u5dee\u8ddd\u3002<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u7f13\u51b2\u533a\u4e2d\u4f1a\u505a\u7684\u5de5\u4f5c<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5728\u771f\u6b63\u8c03\u7528\u5b58\u50a8\u5f15\u64ce\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">API<\/code>\u64cd\u4f5c\u78c1\u76d8\u4e4b\u524d\uff0c\u9996\u5148\u4f1a\u5728\u300c\u7f13\u51b2\u533a\u300d\u4e2d\u67e5\u627e\u6709\u6ca1\u6709\u8981\u64cd\u4f5c\u7684\u76ee\u6807\u6570\u636e\/\u76ee\u6807\u8868\uff0c\u5982\u679c\u5b58\u5728\u5219\u76f4\u63a5\u5bf9\u7f13\u51b2\u533a\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\uff0c\u7136\u540e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u4f1a\u5728\u540e\u53f0\u4ee5\u4e00\u79cd\u540d\u4e3a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Checkpoint<\/code>\u7684\u673a\u5236\uff0c\u5c06\u7f13\u51b2\u533a\u4e2d\u66f4\u65b0\u7684\u6570\u636e\u5237\u56de\u5230\u78c1\u76d8\u3002\u53ea\u6709\u5f53\u7f13\u51b2\u533a\u6ca1\u6709\u627e\u5230\u76ee\u6807\u6570\u636e\u65f6\uff0c\u624d\u4f1a\u53bb\u771f\u6b63\u8c03\u7528\u5b58\u50a8\u5f15\u64ce\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">API<\/code>\uff0c\u7136\u540e\u53d1\u751f\u78c1\u76d8<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">IO<\/code>\uff0c\u53bb\u5bf9\u5e94\u78c1\u76d8\u4e2d\u7684\u8868\u6570\u636e\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u4e0d\u8fc7\u503c\u5f97\u6ce8\u610f\u7684\u4e00\u70b9\u662f\uff1a\u867d\u7136\u7f13\u51b2\u533a\u4e2d\u6709\u6570\u636e\u65f6\u4f1a\u5148\u64cd\u4f5c\u7f13\u51b2\u533a\uff0c\u7136\u540e\u518d\u901a\u8fc7<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Checkpoint<\/code>\u673a\u5236\u5237\u5199\u78c1\u76d8\uff0c\u4f46\u8fd9\u4e24\u4e2a\u8fc7\u7a0b\u4e0d\u662f\u8fde\u7eed\u7684\uff01\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u7ebf\u7a0b\u5bf9\u7f13\u51b2\u533a\u4e2d\u7684\u6570\u636e\u64cd\u4f5c\u5b8c\u6210\u540e\uff0c\u4f1a\u76f4\u63a5\u5f80\u4e0b\u8d70\uff0c\u6570\u636e\u843d\u76d8\u7684\u5de5\u4f5c\u5219\u4f1a\u4ea4\u7ed9\u540e\u53f0\u7ebf\u7a0b\u3002\u4e0d\u8fc7\u867d\u7136\u4e24\u8005\u4e4b\u95f4\u662f\u5f02\u6b65\u7684\uff0c\u4f46\u5bf9\u4e8e\u4eba\u800c\u8a00\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u4e0d\u4f1a\u6709\u592a\u5927\u7684\u611f\u77e5\uff0c\u6bd5\u7adf<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">CPU<\/code>\u5728\u8fd0\u884c\u7684\u65f6\u5019\uff0c\u90fd\u662f\u6309\u7eb3\u79d2\u3001\u5fae\u79d2\u7ea7\u4f5c\u4e3a\u5355\u4f4d\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4f46\u4e0d\u7ba1\u6570\u636e\u662f\u5728\u7f13\u51b2\u533a\u8fd8\u662f\u78c1\u76d8\uff0c\u672c\u8d28\u4e0a\u6570\u636e\u66f4\u6539\u7684\u52a8\u4f5c\u90fd\u662f\u53d1\u751f\u5728\u5185\u5b58\u7684\uff0c\u5c31\u7b97\u662f\u4fee\u6539\u78c1\u76d8\u6570\u636e\uff0c\u4e5f\u662f\u5c06\u6570\u636e\u8bfb\u5230\u5185\u5b58\u4e2d\u64cd\u4f5c\uff0c\u7136\u540e\u518d\u5c06\u6570\u636e\u5199\u56de\u78c1\u76d8\u3002\u4e0d\u8fc7\u5728\u300c\u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u300d\u6267\u884c\u7684\u524d\u540e\u90fd\u4f1a\u8bb0\u5f55\u65e5\u5fd7\uff0c\u8fd9\u70b9\u4e0b\u9762\u8be6\u7ec6\u804a\u804a\uff0c\u8fd9\u4e5f\u662f\u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u4e0e\u8bfb<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u6700\u5927\u7684\u533a\u522b\u3002<\/p>\n<h4 style=\"font-size: 1em;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-weight: bold;margin: 2em 8px 0.5em;color: rgb(15, 76, 129);\">\u5199\u64cd\u4f5c\u65f6\u7684\u65e5\u5fd7<\/h4>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u6267\u884c\u300c\u8bfb<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u300d\u4e00\u822c\u90fd\u4e0d\u4f1a\u6709\u72b6\u6001\uff0c\u4e5f\u5c31\u662f\u8bf4\uff1a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u6267\u884c\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">select<\/code>\u8bed\u53e5\uff0c\u51e0\u4e4e\u4e0d\u4f1a\u7559\u4e0b\u4ec0\u4e48\u75d5\u8ff9\u3002\u4f46\u8fd9\u91cc\u4e3a\u4ec0\u4e48\u7528\u51e0\u4e4e\u8fd9\u4e2a\u8bcd\u5462\uff1f\u56e0\u4e3a\u67e5\u8be2\u65f6\u4e5f\u6709\u4e9b\u7279\u6b8a\u60c5\u51b5\u4f1a\u7559\u4e0b\u201c\u75d5\u8ff9\u201d\uff0c\u5c31\u662f\u6162\u67e5\u8be2<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff1a<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">**\u6162\u67e5\u8be2<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>**\uff1a\u67e5\u8be2\u6267\u884c\u8fc7\u7a0b\u8017\u65f6\u8f83\u957f\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bb0\u5f55\u3002\u5728\u6267\u884c\u67e5\u8be2<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u65f6\uff0c\u5927\u591a\u6570\u7684\u666e\u901a\u67e5\u8be2<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u5e76\u4e0d\u5173\u5fc3\uff0c\u4f46\u6162\u67e5\u8be2<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u9664\u5916\uff0c\u8fd9\u7c7b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u4e00\u822c\u662f\u5f15\u8d77\u54cd\u5e94\u7f13\u6162\u95ee\u9898\u7684\u201c\u59cb\u4f5c\u4fd1\u8005\u201d\uff0c\u6240\u4ee5\u5f53\u4e00\u6761\u67e5\u8be2<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u6267\u884c\u65f6\u957f\u8d85\u8fc7\u89c4\u5b9a\u7684\u65f6\u95f4\u9650\u5236\uff0c\u5c31\u4f1a\u88ab\u201c\u8bb0\u5f55\u5728\u6848\u201d\uff0c\u4e5f\u5c31\u662f\u4f1a\u8bb0\u5f55\u5230\u6162\u67e5\u8be2\u65e5\u5fd7\u4e2d\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0e\u300c\u67e5\u8be2<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u300d\u6070\u6070\u76f8\u53cd\uff0c\u4efb\u4f55\u4e00\u6761\u5199\u5165\u7c7b\u578b\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u90fd\u662f\u6709\u72b6\u6001\u7684\uff0c\u4e5f\u5c31\u4ee3\u8868\u7740\u53ea\u8981\u662f\u4f1a\u5bf9\u6570\u636e\u5e93\u53d1\u751f\u66f4\u6539\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff0c\u6267\u884c\u65f6\u90fd\u4f1a\u88ab\u8bb0\u5f55\u5728\u65e5\u5fd7\u4e2d\u3002\u9996\u5148\u6240\u6709\u7684\u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u5728\u6267\u884c\u4e4b\u524d\u90fd\u4f1a\u751f\u6210\u5bf9\u5e94\u7684\u64a4\u9500<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff0c\u64a4\u9500<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u4e5f\u5c31\u662f\u76f8\u53cd\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u73b0\u5728\u6267\u884c\u7684\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">insert<\/code>\u8bed\u53e5\uff0c\u90a3\u8fd9\u91cc\u5c31\u751f\u6210\u5bf9\u5e94\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">delete<\/code>\u8bed\u53e5....\uff0c\u7136\u540e\u8bb0\u5f55\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">undo-log<\/code>\u64a4\u9500\/\u56de\u6eda\u65e5\u5fd7\u4e2d\u3002\u4f46\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u4f1a\u8bb0\u5f55<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">redo-log<\/code>\u65e5\u5fd7\u3002<\/p>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"><code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">redo-log<\/code>\u65e5\u5fd7\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InnoDB<\/code>\u5f15\u64ce\u4e13\u5c5e\u7684\uff0c\u4e3b\u8981\u662f\u4e3a\u4e86\u4fdd\u8bc1\u4e8b\u52a1\u7684\u539f\u5b50\u6027\u548c\u6301\u4e45\u6027\uff0c\u8fd9\u91cc\u4f1a\u5c06\u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u4e8b\u52a1\u8fc7\u7a0b\u8bb0\u5f55\u5728\u6848\uff0c\u5982\u679c\u670d\u52a1\u5668\u6216\u8005<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u5b95\u673a\uff0c\u91cd\u542f\u65f6\u5c31\u53ef\u4ee5\u901a\u8fc7<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">redo_log<\/code>\u65e5\u5fd7\u6062\u590d\u66f4\u65b0\u7684\u6570\u636e\u3002\u5728\u300c\u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u300d\u6b63\u5f0f\u6267\u884c\u4e4b\u524d\uff0c\u5c31\u4f1a\u5148\u8bb0\u5f55\u4e00\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">prepare<\/code>\u72b6\u6001\u7684\u65e5\u5fd7\uff0c\u8868\u793a\u5f53\u524d\u300c\u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u300d\u51c6\u5907\u6267\u884c\uff0c\u7136\u540e\u5f53\u6267\u884c\u5b8c\u6210\u5e76\u4e14\u4e8b\u52a1\u63d0\u4ea4\u540e\uff0c\u8fd9\u6761\u65e5\u5fd7\u8bb0\u5f55\u7684\u72b6\u6001\u624d\u4f1a\u66f4\u6539\u4e3a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">commit<\/code>\u72b6\u6001\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u9664\u5f00\u4e0a\u8ff0\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">redo-log\u3001undo-log<\/code>\u65e5\u5fd7\u5916\uff0c\u540c\u65f6\u8fd8\u4f1a\u8bb0\u5f55<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">bin-log<\/code>\u65e5\u5fd7\uff0c\u8fd9\u4e2a\u65e5\u5fd7\u548c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">redo-log<\/code>\u65e5\u5fd7\u5f88\u50cf\uff0c\u90fd\u662f\u8bb0\u5f55\u5bf9\u6570\u636e\u5e93\u53d1\u751f\u66f4\u6539\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff0c\u53ea\u4e0d\u8fc7<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">redo-log<\/code>\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">InnoDB<\/code>\u5f15\u64ce\u4e13\u5c5e\u7684\uff0c\u800c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">bin-log<\/code>\u65e5\u5fd7\u5219\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u81ea\u5e26\u7684\u65e5\u5fd7\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0d\u8fc7\u65e0\u8bba\u662f\u4ec0\u4e48\u65e5\u5fd7\uff0c\u90fd\u9700\u8981\u5728\u78c1\u76d8\u4e2d\u5b58\u50a8\uff0c\u800c\u672c\u8eab\u300c\u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u300d\u5728\u78c1\u76d8\u4e2d\u5199\u8868\u6570\u636e\u6548\u7387\u5c31\u8f83\u4f4e\u4e86\uff0c\u6b64\u65f6\u8fd8\u9700\u5199\u5165\u591a\u79cd\u65e5\u5fd7\uff0c\u6548\u7387\u5b9a\u7136\u4f1a\u66f4\u4f4e\u3002\u5bf9\u4e8e\u8fd9\u4e2a\u95ee\u9898<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u4ee5\u53ca\u5b58\u50a8\u5f15\u64ce\u7684\u8bbe\u8ba1\u8005\u81ea\u7136\u4e5f\u60f3\u5230\u4e86\uff0c\u6240\u4ee5\u5927\u90e8\u5206\u65e5\u5fd7\u8bb0\u5f55\u4e5f\u662f\u91c7\u7528\u5148\u5199\u5230\u7f13\u51b2\u533a\u4e2d\uff0c\u7136\u540e\u518d\u5f02\u6b65\u5237\u5199\u5230\u78c1\u76d8\u4e2d\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u6bd4\u5982<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">redo-log<\/code>\u65e5\u5fd7\u5728\u5185\u5b58\u4e2d\u4f1a\u6709\u4e00\u4e2a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">redo_log<\/code>\u7f13\u51b2\u533a\u4e2d\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">bin-log<\/code>\u65e5\u5fd7\u4e5f\u540c\u7406\uff0c\u5f53\u9700\u8981\u8bb0\u5f55\u65e5\u5fd7\u65f6\uff0c\u90fd\u662f\u5148\u5199\u5230\u5185\u5b58\u4e2d\u7684\u7f13\u51b2\u533a\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u90a3\u5185\u5b58\u4e2d\u7684\u65e5\u5fd7\u6570\u636e\u4f55\u65f6\u4f1a\u5237\u5199\u5230\u78c1\u76d8\u5462\uff1f\u5bf9\u4e8e\u8fd9\u70b9\u5219\u662f\u7531\u5237\u76d8\u7b56\u7565\u6765\u51b3\u5b9a\u7684\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">redo-log<\/code>\u65e5\u5fd7\u7684\u5237\u76d8\u7b56\u7565\u7531<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">innodb_flush_log_at_trx_commit<\/code>\u53c2\u6570\u63a7\u5236\uff0c\u800c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">bin-log<\/code>\u65e5\u5fd7\u7684\u5237\u76d8\u7b56\u7565\u5219\u53ef\u4ee5\u901a\u8fc7<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">sync_binlog<\/code>\u53c2\u6570\u63a7\u5236\uff1a<\/p>\n<ul style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;padding-left: 1em;list-style: circle;color: rgb(63, 63, 63);\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">innodb_flush_log_at_trx_commit<\/code>\uff1a<\/p>\n<\/li>\n<ul style=\"line-height: 1.75;padding-left: 1em;list-style-position: initial;list-style-image: initial;\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">0<\/code>\uff1a\u6709\u4e8b\u52a1\u63d0\u4ea4\u7684\u60c5\u51b5\u4e0b\uff0c\u6bcf\u95f4\u9694\u4e00\u79d2\u65f6\u95f4\u5237\u5199\u4e00\u6b21\u65e5\u5fd7\u5230\u78c1\u76d8\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">1<\/code>\uff1a\u6bcf\u6b21\u63d0\u4ea4\u4e8b\u52a1\u65f6\uff0c\u90fd\u5237\u5199\u4e00\u6b21\u65e5\u5fd7\u5230\u78c1\u76d8\uff08\u6027\u80fd\u6700\u5dee\uff0c\u6700\u5b89\u5168\uff0c\u9ed8\u8ba4\u7b56\u7565\uff09\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">2<\/code>\uff1a\u6bcf\u5f53\u4e8b\u52a1\u63d0\u4ea4\u65f6\uff0c\u628a\u65e5\u5fd7\u8bb0\u5f55\u653e\u5230\u5185\u6838\u7f13\u51b2\u533a\uff0c\u5237\u5199\u7684\u65f6\u673a\u4ea4\u7ed9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">OS<\/code>\u63a7\u5236\uff08\u6027\u80fd\u6700\u4f73\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">sync_binlog<\/code>\uff1a<\/p>\n<\/li>\n<ul style=\"line-height: 1.75;padding-left: 1em;list-style-position: initial;list-style-image: initial;\" class=\"list-paddingleft-1\">\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">0<\/code>\uff1a\u540c\u4e0a\u8ff0<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">innodb_flush_log_at_trx_commit<\/code>\u53c2\u6570\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">2<\/code>\uff0c\u4ea4\u7ed9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">OS<\/code>\u63a7\u5236\uff08\u9ed8\u8ba4\uff09\u3002<\/p>\n<\/li>\n<li style=\"text-align: left;line-height: 1.75;text-indent: -1em;display: block;margin: 0.2em 8px;\">\n<p>\u2022<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">1<\/code>\uff1a\u540c\u4e0a\u8ff0<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">innodb_flush_log_at_trx_commit<\/code>\u53c2\u6570\u7684<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">1<\/code>\uff0c\u6bcf\u6b21\u63d0\u4ea4\u4e8b\u52a1\u90fd\u4f1a\u5237\u76d8\u3002<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5230\u8fd9\u91cc\u5c31\u5927\u81f4\u9610\u8ff0\u4e86\u4e00\u4e0b\u300c\u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u300d\u6267\u884c\u65f6\uff0c\u4f1a\u5199\u7684\u4e00\u4e9b\u65e5\u5fd7\u8bb0\u5f55\uff0c\u8fd9\u4e9b\u65e5\u5fd7\u5728\u540e\u7eed\u505a\u6570\u636e\u6062\u590d\u3001\u8fc1\u79fb\u3001\u7ebf\u4e0b\u6392\u67e5\u65f6\u90fd\u8f83\u4e3a\u91cd\u8981\uff0c\u56e0\u6b64\u540e\u7eed\u4e5f\u4f1a\u5355\u5f00\u4e00\u7bc7\u8be6\u7ec6\u8bb2\u89e3\u3002<\/p>\n<h2 style=\"letter-spacing: normal;white-space: normal;text-align: center;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.2em;font-weight: bold;display: table;margin: 4em auto 2em;padding-right: 0.2em;padding-left: 0.2em;background: rgb(15, 76, 129);color: rgb(255, 255, 255);\">\u56db\u3001\u4e00\u6761SQL\u6267\u884c\u5b8c\u6210\u540e\u662f\u5982\u4f55\u8fd4\u56de\u7684\uff1f<\/h2>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u4e00\u6761\u300c\u8bfb<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u300d\u6216\u300c\u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u300d\u6267\u884c\u5b8c\u6210\u540e\uff0c\u7531\u4e8e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u64cd\u4f5c\u7684\u5c5e\u6027\u4e0d\u540c\uff0c\u4e24\u8005\u4e4b\u95f4\u4e5f\u4f1a\u5b58\u5728\u5dee\u5f02\u6027\uff0c<\/p>\n<h3 style=\"letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.2;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.1em;font-weight: bold;margin-top: 2em;margin-right: 8px;margin-bottom: 0.75em;padding-left: 8px;border-left: 3px solid rgb(15, 76, 129);color: rgb(63, 63, 63);\">4.1\u3001\u8bfb\u7c7b\u578b\u7684SQL\u8fd4\u56de<\/h3>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u524d\u9762\u804a\u5230\u8fc7\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u6267\u884c\u4e00\u6761\u67e5\u8be2<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u65f6\uff0c\u6570\u636e\u662f\u9010\u6761\u8fd4\u56de\u7684\u6a21\u5f0f\uff0c\u56e0\u4e3a\u5982\u679c\u7b49\u5f85\u6240\u6709\u6570\u636e\u5168\u90e8\u67e5\u51fa\u6765\u4e4b\u540e\u518d\u4e00\u6b21\u6027\u8fd4\u56de\uff0c\u5fc5\u7136\u4f1a\u5bfc\u81f4\u6491\u6ee1\u5185\u5b58\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u4e0d\u8fc7\u8fd9\u91cc\u7684\u8fd4\u56de\uff0c\u5e76\u4e0d\u662f\u6307\u8fd4\u56de\u5ba2\u6237\u7aef\uff0c\u800c\u662f\u6307\u8fd4\u56de<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\uff0c\u56e0\u4e3a\u4ece\u78c1\u76d8\u4e2d\u68c0\u7d22\u51fa\u76ee\u6807\u6570\u636e\u65f6\uff0c\u4e00\u822c\u8fd8\u9700\u8981\u5bf9\u8fd9\u4e9b\u6570\u636e\u8fdb\u884c\u518d\u6b21\u5904\u7406\uff0c\u4e3e\u4e2a\u4f8b\u5b50\u7406\u89e3\u4e00\u4e0b\u3002<\/p>\n<\/blockquote>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\">SELECT<\/span>user_id<span style=\"color: rgb(198, 120, 221);\">FROM<\/span>`zz_user`<span style=\"color: rgb(198, 120, 221);\">WHERE<\/span>user_sex=\"\u7537\"<span style=\"color: rgb(198, 120, 221);\">AND<\/span>user_name=\"\u7af9\u5b50\u2463\u53f7\";<\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8fd8\u662f\u4e4b\u524d\u90a3\u6761\u67e5\u8be2<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\uff0c\u8fd9\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8981\u6c42\u8fd4\u56de\u7684\u7ed3\u679c\u5b57\u6bb5\u4ec5\u6709\u4e00\u4e2a<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">user_id<\/code>\uff0c\u4f46\u5728\u78c1\u76d8\u4e2d\u68c0\u7d22\u6570\u636e\u65f6\uff0c\u4f1a\u76f4\u63a5\u5c06\u8fd9\u4e2a\u5b57\u6bb5\u5355\u72ec\u67e5\u8be2\u51fa\u6765\u5417\uff1f\u5e76\u4e0d\u662f\u7684\uff0c\u800c\u662f\u4f1a\u5c06\u6574\u6761\u884c\u6570\u636e\u5168\u90e8\u67e5\u8be2\u51fa\u6765\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\">+<span style=\"color: rgb(92, 99, 112);font-style: italic;\">---------+--------------+----------+-------------+<\/span>|user_id|user_name|user_sex|user_phone|+<span style=\"color: rgb(92, 99, 112);font-style: italic;\">---------+--------------+----------+-------------+<\/span>|<span style=\"color: rgb(209, 154, 102);\">6<\/span>|\u7af9\u5b50\u2463\u53f7|\u7537|<span style=\"color: rgb(209, 154, 102);\">17777777777<\/span>|+<span style=\"color: rgb(92, 99, 112);font-style: italic;\">---------+--------------+----------+-------------+<\/span><\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4ece\u884c\u8bb0\u5f55\u4e2d\u7b5b\u9009\u51fa\u6700\u7ec8\u6240\u9700\u7684\u7ed3\u679c\u5b57\u6bb5\uff0c\u8fd9\u4e2a\u5de5\u4f5c\u662f\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\u4e2d\u5b8c\u6210\u7684\uff0c\u4e5f\u5305\u62ec\u591a\u8868\u8054\u67e5\u65f6\uff0c\u6570\u636e\u7684\u5408\u5e76\u5de5\u4f5c\uff0c\u540c\u6837\u4e5f\u662f\u5728<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\u5b8c\u6210\uff0c\u5176\u4ed6<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u4ea6\u662f\u540c\u7406\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u8fd8\u6709\u4e00\u70b9\u9700\u8981\u7262\u8bb0\uff1a\u5c31\u7b97\u6ca1\u6709\u67e5\u8be2\u5230\u6570\u636e\uff0c\u4e5f\u4f1a\u5c06\u6267\u884c\u72b6\u6001\u3001\u6267\u884c\u8017\u65f6\u8fd9\u4e9b\u4fe1\u606f\u8fd4\u56de\u7ed9<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\uff0c\u7136\u540e\u7531<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u63a5\u53e3\u5411\u5ba2\u6237\u7aef\u8fd4\u56de<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">NULL<\/code>\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u4e0d\u8fc7\u5f53\u67e5\u8be2\u5230\u6570\u636e\u540e\uff0c\u5728\u6b63\u5f0f\u5411\u5ba2\u6237\u7aef\u8fd4\u56de\u4e4b\u524d\uff0c\u8fd8\u4f1a\u987a\u624b\u5c06\u7ed3\u679c\u96c6\u653e\u5165\u5230\u7f13\u5b58\u4e2d\u3002<\/p>\n<h3 style=\"letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.2;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.1em;font-weight: bold;margin-top: 2em;margin-right: 8px;margin-bottom: 0.75em;padding-left: 8px;border-left: 3px solid rgb(15, 76, 129);color: rgb(63, 63, 63);\">4.2\u3001\u5199\u7c7b\u578b\u7684SQL\u8fd4\u56de<\/h3>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u6267\u884c\u7684\u8fc7\u7a0b\u4f1a\u6bd4\u8bfb<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u590d\u6742\uff0c\u4f46\u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u7684\u7ed3\u679c\u8fd4\u56de\u5374\u5f88\u7b80\u5355\uff0c\u5199\u7c7b\u578b\u7684\u64cd\u4f5c\u6267\u884c\u5b8c\u6210\u4e4b\u540e\uff0c\u4ec5\u4f1a\u8fd4\u56de\u6267\u884c\u72b6\u6001\u3001\u53d7\u5f71\u54cd\u7684\u884c\u6570\u4ee5\u53ca\u6267\u884c\u8017\u65f6\uff0c\u6bd4\u5982\uff1a<\/p>\n<pre style=\"color: rgb(171, 178, 191);background: rgb(40, 44, 52);font-size: 14px;letter-spacing: normal;text-align: left;line-height: 1.5;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;overflow-x: auto;border-radius: 8px;padding: 1em;margin: 10px 8px;\"><code style=\"line-height: 1.75;font-family: Menlo, &quot;Operator Mono&quot;, Consolas, Monaco, monospace;white-space: nowrap;\"><span style=\"color: rgb(198, 120, 221);\">UPDATE<\/span>`zz_user`<span style=\"color: rgb(198, 120, 221);\">SET<\/span>user_sex=\"\u5973\"<span style=\"color: rgb(198, 120, 221);\">WHERE<\/span>user_id=<span style=\"color: rgb(209, 154, 102);\">6<\/span>;<\/code><\/pre>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u8fd9\u6761<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u6267\u884c\u6210\u529f\u540e\uff0c\u4f1a\u8fd4\u56de<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Query OK, 1 row affected (0.00 sec)<\/code>\u8fd9\u7ec4\u7ed3\u679c\uff0c\u6700\u7ec8\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u7684\u5219\u53ea\u6709\u300c\u53d7\u5f71\u54cd\u7684\u884c\u6570\u300d\uff0c\u5982\u679c\u5199<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u6267\u884c\u6210\u529f\uff0c\u8fd9\u4e2a\u503c\u4e00\u822c\u90fd\u4f1a\u5927\u4e8e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">0<\/code>\uff0c\u53cd\u4e4b\u5219\u4f1a\u7b49\u4e8e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">0<\/code>\u3002<\/p>\n<h3 style=\"letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.2;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.1em;font-weight: bold;margin-top: 2em;margin-right: 8px;margin-bottom: 0.75em;padding-left: 8px;border-left: 3px solid rgb(15, 76, 129);color: rgb(63, 63, 63);\">4.3\u3001\u6267\u884c\u7ed3\u679c\u662f\u5982\u4f55\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u7684\uff1f<\/h3>\n<p><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\"> \u5bf9\u4e8e\u8fd9\u4e2a\u95ee\u9898\u7684\u7b54\u6848\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u7531\u4e8e\u6267\u884c\u5f53\u524d<\/span><code style=\"white-space:pre-wrap;letter-spacing: normal;text-align: left;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u7684\u5de5\u4f5c\u7ebf\u7a0b\uff0c\u672c\u8eab\u4e5f\u7ef4\u62a4\u7740\u4e00\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u8fd9\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u5b9e\u9645\u4e0a\u4e5f\u7ef4\u6301\u7740\u5ba2\u6237\u7aef\u7684\u7f51\u7edc\u8fde\u63a5\uff0c\u5982\u4e0b\uff1a<\/span><\/p>\n<figure style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;color: rgb(63, 63, 63);\"><img decoding=\"async\" class=\"lazyload\"data-ratio=\"0.4053751399776036\"  data-type=\"png\" data-w=\"893\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/08\/20240801215819761.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\"  \/><noscript><img decoding=\"async\" data-ratio=\"0.4053751399776036\"  data-type=\"png\" data-w=\"893\" style=\"line-height: 1.75;border-radius: 4px;display: block;margin: 0.1em auto 0.5em;\" title=\"null\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/08\/20240801215819761.png\"  \/><\/noscript><figcaption style=\"text-align: center;line-height: 1.75;color: rgb(136, 136, 136);font-size: 0.8em;\">\u7ebf\u7a0b\u67e5\u8be2<\/figcaption><\/figure>\n<p><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u5f53\u7ed3\u679c\u96c6\u5904\u7406\u597d\u4e86\u4e4b\u540e\uff0c\u76f4\u63a5\u901a\u8fc7<\/span><code style=\"white-space:pre-wrap;letter-spacing: normal;text-align: left;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">Host<\/code><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u4e2d\u8bb0\u5f55\u7684\u5730\u5740\uff0c\u5c06\u7ed3\u679c\u96c6\u5c01\u88c5\u6210<\/span><code style=\"white-space:pre-wrap;letter-spacing: normal;text-align: left;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">TCP<\/code><span style=\"color: rgb(0, 0, 0);font-family: &quot;Microsoft YaHei&quot;;font-size: 14px;letter-spacing: normal;text-align: start;\">\u6570\u636e\u62a5\uff0c\u7136\u540e\u8fd4\u56de\u5373\u53ef\u3002<\/span><\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u6570\u636e\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u4e4b\u540e\uff0c\u9664\u975e\u5ba2\u6237\u7aef\u4e3b\u52a8\u8f93\u5165<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">exit<\/code>\u7b49\u9000\u51fa\u8fde\u63a5\u7684\u547d\u4ee4\uff0c\u5426\u5219\u8fde\u63a5\u4e0d\u4f1a\u7acb\u9a6c\u65ad\u5f00\u3002<\/p>\n<\/blockquote>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\">\u5982\u679c\u8981\u65ad\u5f00\u5ba2\u6237\u7aef\u8fde\u63a5\u65f6\uff0c\u53c8\u4f1a\u7ecf\u8fc7<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">TCP<\/code>\u56db\u6b21\u6325\u624b\u7684\u8fc7\u7a0b\u3002<\/p>\n<blockquote style=\"font-size: 14px;letter-spacing: normal;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;border-left: none;padding: 1em;border-radius: 8px;background: rgb(247, 247, 247);margin: 2em 8px;\">\n<p style=\"line-height: 1.75;font-size: 1em;letter-spacing: 0.1em;color: rgb(80, 80, 80);\">\u4e0d\u8fc7\u5c31\u7b97\u4e0e\u5ba2\u6237\u7aef\u65ad\u5f00\u4e86\u8fde\u63a5\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u4e2d\u521b\u5efa\u7684\u7ebf\u7a0b\u5e76\u4e0d\u4f1a\u9500\u6bc1\uff0c\u800c\u662f\u4f1a\u653e\u5165\u5230<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u7684\u8fde\u63a5\u6c60\u4e2d\uff0c\u7b49\u5f85\u5176\u4ed6\u5ba2\u6237\u7aef\u590d\u7528\u5f53\u524d\u8fde\u63a5\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u4e00\u6761\u7ebf\u7a0b\u5728\u516b\u5c0f\u65f6\u5185\u672a\u88ab\u590d\u7528\uff0c\u624d\u4f1a\u89e6\u53d1<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u7684\u9500\u6bc1\u5de5\u4f5c\u3002<\/p>\n<\/blockquote>\n<h2 style=\"letter-spacing: normal;white-space: normal;text-align: center;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 1.2em;font-weight: bold;display: table;margin: 4em auto 2em;padding-right: 0.2em;padding-left: 0.2em;background: rgb(15, 76, 129);color: rgb(255, 255, 255);\">\u4e94\u3001SQL\u6267\u884c\u7bc7\u603b\u7ed3<\/h2>\n<p style=\"font-size: 14px;white-space: normal;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;margin: 1.5em 8px;letter-spacing: 0.1em;color: rgb(63, 63, 63);\"> \u770b\u5230\u8fd9\u91cc\uff0c<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u6267\u884c\u539f\u7406\u7bc7\u4e5f\u8d70\u8fdb\u4e86\u5c3e\u58f0\uff0c\u5176\u5b9e<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u8bed\u53e5\u7684\u6267\u884c\u8fc7\u7a0b\uff0c\u5b9e\u9645\u4e0a\u4e5f\u5c31\u662f<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u7684\u67b6\u6784\u4e2d\u4e00\u5c42\u5c42\u5bf9\u5176\u8fdb\u884c\u5904\u7406\uff0c\u7406\u89e3\u4e86<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">MySQL<\/code>\u67b6\u6784\u7bc7\u7684\u5185\u5bb9\u540e\uff0c\u76f8\u4fe1\u770b<code style=\"white-space:pre-wrap;line-height: 1.75;font-size: 12.6px;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\">SQL<\/code>\u6267\u884c\u7bc7\u4e5f\u4e0d\u4f1a\u592a\u96be\uff0c\u7ecf\u8fc7\u8fd9\u7bc7\u6587\u7ae0\u7684\u5b66\u4e60\u540e\uff0c\u76f8\u4fe1\u5927\u5bb6\u5bf9\u6570\u636e\u5e93\u7684\u539f\u7406\u77e5\u8bc6\u4e5f\u80fd\u591f\u8fdb\u4e00\u6b65\u638c\u63e1\uff0c\u90a3\u6211\u4eec\u4e0b\u7bc7\u518d\u89c1~<\/p>\n<p style=\"display: none;\"><mp-style-type data-value=\"3\"><\/mp-style-type><\/p>\n<blockquote>\n<p>\u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7:                 \u7af9\u5b50\u7231\u718a\u732b              <\/p>\n<\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u5728\u4e0a\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u4ee5\u300aMySQL\u67b6\u6784\u7bc7\u300b\u62c9\u5f00\u4e86MySQL\u6570\u636e\u5e93\u7684\u7684\u5e8f\u5e55\uff0c\u4e0a\u7bc7\u6587\u7ae0\u4e2d\u5c06MySQL\u5206\u5c42\u67b6\u6784\u4e2d\u7684\u6bcf\u4e00\u5c42\u90fd\u8fdb\u884c\u4e86\u8be6\u7ec6 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