{"id":2957,"date":"2023-07-14T16:41:39","date_gmt":"2023-07-14T08:41:39","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=2957"},"modified":"2023-07-14T16:41:40","modified_gmt":"2023-07-14T08:41:40","slug":"mysql-%e9%83%bd%e6%9c%89%e5%93%aa%e4%ba%9b%e7%b4%a2%e5%bc%95%e5%8f%8a%e5%85%b6%e5%ae%9e%e7%8e%b0%e7%9a%84%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/mysql\/mysql-%e9%83%bd%e6%9c%89%e5%93%aa%e4%ba%9b%e7%b4%a2%e5%bc%95%e5%8f%8a%e5%85%b6%e5%ae%9e%e7%8e%b0%e7%9a%84%e5%8e%9f%e7%90%86\/","title":{"rendered":"MySQL \u90fd\u6709\u54ea\u4e9b\u7d22\u5f15\u53ca\u5176\u5b9e\u73b0\u7684\u539f\u7406"},"content":{"rendered":"<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img lazyload\" style=\"height: auto !important;\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/16-33-31\/202307141633313d3d707ff.png\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" data-galleryid=\"\" data-ratio=\"0.3\" data-type=\"gif\" data-w=\"400\" \/><noscript><img decoding=\"async\" class=\"rich_pages wxw-img\" style=\"height: auto !important;\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/16-33-31\/202307141633313d3d707ff.png\" data-galleryid=\"\" data-ratio=\"0.3\" data-type=\"gif\" data-w=\"400\" \/><\/noscript><\/p>\n<p><span style=\"color: #3daad6;\">\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4e00\u5b89~<\/span><\/p>\n<h4 style=\"margin-top: 30px; margin-bottom: 15px; outline: 0px; font-weight: bold; font-size: 18px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: black;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><span style=\"outline: 0px;\">MySQL \u7d22\u5f15\u7c7b\u578b<\/span><\/h4>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6211\u4eec\u5728\u5f00\u53d1\u4e2d\uff0c\u90fd\u77e5\u9053 MySQL \u4e2d\u7684\u7d22\u5f15\u53ef\u4ee5\u63d0\u5347\u67e5\u8be2\u901f\u5ea6\uff0c\u4f1a\u5f71\u54cdwhere\u67e5\u8be2\uff0c\u4ee5\u53caorder by\u6392\u5e8f\u3002<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u6765\u770b\u770b\u7d22\u5f15\u7c7b\u578b\u90fd\u6709\u54ea\u4e9b\u3002<\/p>\n<ul class=\"list-paddingleft-1\" style=\"margin-top: 8px; margin-bottom: 8px; padding-left: 25px; outline: 0px; list-style-position: inside; text-align: left; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-wrap: wrap; background-color: #ffffff; color: black;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li style=\"outline: 0px;\">\n<section style=\"margin-top: 5px; margin-bottom: 5px; outline: 0px; display: inline; line-height: 26px; color: #010101;\">\u4ece\u7d22\u5f15\u5b58\u50a8\u7ed3\u6784\u5212\u5206\uff1aB Tree\u7d22\u5f15\u3001Hash\u7d22\u5f15\u3001FULLTEXT\u5168\u6587\u7d22\u5f15\u3001R Tree\u7d22\u5f15<\/section>\n<\/li>\n<li style=\"outline: 0px;\">\n<section style=\"margin-top: 5px; margin-bottom: 5px; outline: 0px; display: inline; line-height: 26px; color: #010101;\">\u4ece\u5e94\u7528\u5c42\u6b21\u5212\u5206\uff1a\u666e\u901a\u7d22\u5f15\u3001\u552f\u4e00\u7d22\u5f15\u3001\u4e3b\u952e\u7d22\u5f15\u3001\u590d\u5408\u7d22\u5f15<\/section>\n<\/li>\n<li style=\"outline: 0px;\">\n<section style=\"margin-top: 5px; margin-bottom: 5px; outline: 0px; display: inline; line-height: 26px; color: #010101;\">\u4ece\u7d22\u5f15\u952e\u503c\u7c7b\u578b\u5212\u5206\uff1a\u4e3b\u952e\u7d22\u5f15\u3001\u8f85\u52a9\u7d22\u5f15\uff08\u4e8c\u7ea7\u7d22\u5f15\uff09<\/section>\n<\/li>\n<li style=\"outline: 0px;\">\n<section style=\"margin-top: 5px; margin-bottom: 5px; outline: 0px; display: inline; line-height: 26px; color: #010101;\">\u4ece\u6570\u636e\u5b58\u50a8\u548c\u7d22\u5f15\u952e\u503c\u903b\u8f91\u5173\u7cfb\u5212\u5206\uff1a\u805a\u96c6\u7d22\u5f15\uff08\u805a\u7c07\u7d22\u5f15\uff09\u3001\u975e\u805a\u96c6\u7d22\u5f15\uff08\u975e\u805a\u7c07\u7d22\u5f15\uff09<\/section>\n<\/li>\n<\/ul>\n<h5 style=\"margin-top: 30px; margin-bottom: 15px; outline: 0px; font-weight: bold; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: black;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><span style=\"outline: 0px;\">\u666e\u901a\u7d22\u5f15<\/span><\/h5>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><span style=\"background-color: #ffffff;\">\u666e\u901a\u7d22\u5f15\u8fd9<\/span>\u662f<span style=\"background-color: #ffffff;\">\u6700\u57fa\u672c\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u662f\u57fa\u4e8e\u666e\u901a\u5b57\u6bb5\u5efa\u7acb\u7684\u7d22\u5f15\uff0c\u6ca1\u6709\u4efb\u4f55\u7684\u9650\u5236\uff0c\u521b\u5efa\u666e\u901a\u7d22\u5f15\u7684\u65b9\u6cd5\u5176\u5b9e\u4e5f\u5f88\u7b80\u5355\u3002<\/span><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">CREATE INDEX &lt;\u7d22\u5f15\u7684\u540d\u5b57&gt; ON tablename (\u5b57\u6bb5\u540d);<\/code><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">ALTER TABLE tablename ADD INDEX [\u7d22\u5f15\u7684\u540d\u5b57] (\u5b57\u6bb5\u540d);<\/code><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">CREATE TABLE tablename ( [...], INDEX [\u7d22\u5f15\u7684\u540d\u5b57] (\u5b57\u6bb5\u540d) );<\/code><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u8fd9\u4e9b\u90fd\u662f\u521b\u5efa\u7d22\u5f15\u7684\u8bed\u53e5\uff0c\u800c\u4e14\u662f\u666e\u901a\u7d22\u5f15\u7684\u521b\u5efa\u65b9\u5f0f\uff0c\u4e5f\u662f\u6211\u4eec\u6700\u5e38\u7528\u7684\u521b\u5efa\u7d22\u5f15\u7684\u65b9\u5f0f\uff0c\u4e00\u822c\u90fd\u662f\u9009\u62e9\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u6765\u8fdb\u884c\u521b\u5efa\u7d22\u5f15\uff0c\u5bf9\u4e8e\u4e00\u4e9b\u666e\u901a\u7d22\u5f15\u6765\u8bf4\uff0c\u76f4\u63a5\u521b\u5efa\u8fd8\u662f\u6bd4\u8f83\u8212\u670d\u7684\u3002<\/p>\n<h5 style=\"margin-top: 30px; margin-bottom: 15px; outline: 0px; font-weight: bold; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: black;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><span style=\"outline: 0px;\">\u552f\u4e00\u7d22\u5f15<\/span><\/h5>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u5176\u5b9e\u201c\u552f\u4e00\u7d22\u5f15\u201d\u4e0e\"\u666e\u901a\u7d22\u5f15\"\u7c7b\u4f3c\uff0c\u4e0d\u540c\u7684\u5c31\u662f\uff1a\u7d22\u5f15\u5b57\u6bb5\u7684\u503c\u5fc5\u987b\u552f\u4e00\uff0c\u4f46\u5141\u8bb8\u6709\u7a7a\u503c \u3002\u5728\u521b\u5efa\u6216\u4fee\u6539\u8868\u65f6\u8ffd\u52a0\u552f\u4e00\u7ea6\u675f\uff0c\u5c31\u4f1a\u81ea\u52a8\u521b\u5efa\u5bf9\u5e94\u7684\u552f\u4e00\u7d22\u5f15\u3002<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u521b\u5efa\u552f\u4e00\u7d22\u5f15\u7684\u8bed\u53e5\u4e5f\u5f88\u7b80\u5355\uff1a<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">CREATE UNIQUE INDEX &lt;\u7d22\u5f15\u7684\u540d\u5b57&gt; ON tablename (\u5b57\u6bb5\u540d);<\/code><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">ALTER TABLE tablename ADD UNIQUE INDEX [\u7d22\u5f15\u7684\u540d\u5b57] (\u5b57\u6bb5\u540d);<\/code><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">CREATE TABLE tablename ( [...], UNIQUE [\u7d22\u5f15\u7684\u540d\u5b57] (\u5b57\u6bb5\u540d) ;<\/code><\/p>\n<h5 style=\"margin-top: 30px; margin-bottom: 15px; outline: 0px; font-weight: bold; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: black;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><span style=\"outline: 0px;\">\u4e3b\u952e\u7d22\u5f15<\/span><\/h5>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u5b83\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u552f\u4e00\u7d22\u5f15\uff0c\u4e0d\u5141\u8bb8\u6709\u7a7a\u503c\u3002\u5728\u521b\u5efa\u6216\u4fee\u6539\u8868\u65f6\u8ffd\u52a0\u4e3b\u952e\u7ea6\u675f\u5373\u53ef\uff0c\u6bcf\u4e2a\u8868\u53ea\u80fd\u6709\u4e00\u4e2a\u4e3b \u952e\u3002<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u8fd9\u4e2a\u4e3b\u952e\u7d22\u5f15\u751a\u81f3\u90fd\u4e0d\u9700\u8981\u8bf4\uff0c\u56e0\u4e3a\u4f60\u7684\u8868\u767e\u5206\u4e4b\u767e\u90fd\u662f\u6709\u4e3b\u952eID\u7684\uff0c\u800c\u8fd9\u4e2a\u4e3b\u952eID\uff0c\u90fd\u662f\u4e00\u4e2a\u4e3b\u952e\u7d22\u5f15\u3002<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u5173\u952e\u5b57\u5c31\u662f\u00a0<code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">PRIMARY KEY<\/code><\/p>\n<h5 style=\"margin-top: 30px; margin-bottom: 15px; outline: 0px; font-weight: bold; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: black;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><span style=\"outline: 0px;\">\u590d\u5408\u7d22\u5f15(\u7ec4\u5408\u7d22\u5f15)<\/span><\/h5>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u5176\u5b9e\u590d\u5408\u7d22\u5f15\u4e5f\u53eb\u505a\u7ec4\u5408\u7d22\u5f15\uff0c\u53eb\u6cd5\u6709\u533a\u522b\uff0c\u4f46\u662f\u5185\u5bb9\u4e0a\u5c31\u662f\u4e00\u4e2a\u4e1c\u897f\u3002<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u5355\u4e00\u7d22\u5f15\u662f\u6307\u7d22\u5f15\u5217\u4e3a\u4e00\u5217\u7684\u60c5\u51b5\uff0c\u5373\u65b0\u5efa\u7d22\u5f15\u7684\u8bed\u53e5\u53ea\u5b9e\u65bd\u5728\u4e00\u5217\u4e0a\uff1b\u7528\u6237\u53ef\u4ee5\u5728\u591a\u4e2a\u5217\u4e0a\u5efa\u7acb\u7d22 \u5f15\uff0c\u8fd9\u79cd\u7d22\u5f15\u53eb\u505a\u7ec4\u590d\u5408\u7d22\u5f15\uff08\u7ec4\u5408\u7d22\u5f15\uff09\u3002\u590d\u5408\u7d22\u5f15\u53ef\u4ee5\u4ee3\u66ff\u591a\u4e2a\u5355\u4e00\u7d22\u5f15\uff0c\u76f8\u6bd4\u591a\u4e2a\u5355\u4e00\u7d22\u5f15\u590d\u5408 \u7d22\u5f15\u6240\u9700\u7684\u5f00\u9500\u66f4\u5c0f\u3002<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u7d22\u5f15\u540c\u65f6\u6709\u4e24\u4e2a\u6982\u5ff5\u53eb\u505a\u7a84\u7d22\u5f15\u548c\u5bbd\u7d22\u5f15\uff0c\u7a84\u7d22\u5f15\u662f\u6307\u7d22\u5f15\u5217\u4e3a1-2\u5217\u7684\u7d22\u5f15\uff0c\u5bbd\u7d22\u5f15\u4e5f\u5c31\u662f\u7d22\u5f15\u5217\u8d85 \u8fc72\u5217\u7684\u7d22\u5f15\uff0c\u8bbe\u8ba1\u7d22\u5f15\u7684\u4e00\u4e2a\u91cd\u8981\u539f\u5219\u5c31\u662f\u80fd\u7528\u7a84\u7d22\u5f15\u4e0d\u7528\u5bbd\u7d22\u5f15\uff0c\u56e0\u4e3a\u7a84\u7d22\u5f15\u5f80\u5f80\u6bd4\u7ec4\u5408\u7d22\u5f15\u66f4\u6709 \u6548<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u521b\u5efa\u7ec4\u5408\u7d22\u5f15\u7684\u8bed\u53e5\uff1a<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">CREATE INDEX &lt;\u7d22\u5f15\u7684\u540d\u5b57&gt; ON tablename (\u5b57\u6bb5\u540d1\uff0c\u5b57\u6bb5\u540d2...);<\/code><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">ALTER TABLE tablename ADD INDEX [\u7d22\u5f15\u7684\u540d\u5b57] (\u5b57\u6bb5\u540d1\uff0c\u5b57\u6bb5\u540d2...);<\/code><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">CREATE TABLE tablename ( [...], INDEX [\u7d22\u5f15\u7684\u540d\u5b57] (\u5b57\u6bb5\u540d1\uff0c\u5b57\u6bb5\u540d2...) );<\/code><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u5f53\u6211\u4eec\u4f7f\u7528\u7ec4\u5408\u7d22\u5f15\u7684\u65f6\u5019\uff0c\u9700\u8981\u6ce8\u610f\u4e00\u4e9b\u5185\u5bb9\uff0c\u6765\u589e\u52a0\u6211\u4eec\u7684\u6548\u7387\uff0c\u800c\u4e0d\u662f\u4e3a\u4e86\u521b\u5efa\u7d22\u5f15\u800c\u521b\u5efa\u5f71\u54cd\u6211\u4eec\u7684\u6548\u7387\u3002<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6bd4\u5982\uff1a\u8981\u6839\u636ewhere\u6761\u4ef6\u5efa\u7d22\u5f15\uff0c\u6ce8\u610f\u4e0d\u8981\u8fc7\u591a\u4f7f\u7528\u7d22\u5f15\uff0c\u5982\u679c\u8868\u5df2\u7ecf\u5efa\u7acb\u4e86(col1\uff0ccol2)\uff0c\u5c31\u6ca1\u6709\u5fc5\u8981\u518d\u5355\u72ec\u5efa\u7acb\uff08col1\uff09\uff1b\u5982\u679c\u73b0\u5728\u6709(col1)\u7d22\u5f15\uff0c\u5982\u679c\u67e5\u8be2\u9700\u8981col1\u548ccol2\u6761\u4ef6\uff0c\u53ef\u4ee5\u5efa\u7acb(col1,col2)\u590d\u5408\u7d22\u5f15\uff0c\u5bf9\u4e8e\u67e5\u8be2\u6709\u4e00\u5b9a\u63d0\u9ad8\u3002<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u5982\u679c\u4f60\u60f3\u770b\u81ea\u5df1\u5199\u7684\u4e00\u4e9b SQL \u662f\u5426\u547d\u4e2d\u4e86\u4f60\u589e\u52a0\u7684\u7d22\u5f15\uff0c\u90a3\u4e48\u53ef\u4ee5\u4f7f\u7528 explan \u5173\u952e\u5b57\u6765\u8fdb\u884c\u67e5\u770b\u5373\u53ef\u3002<\/p>\n<h5 style=\"margin-top: 30px; margin-bottom: 15px; outline: 0px; font-weight: bold; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: black;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><span style=\"outline: 0px;\">\u5168\u6587\u7d22\u5f15<\/span><\/h5>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u5168\u6587\u7d22\u5f15\uff0c\u8fd9\u4e2a\u5176\u5b9e\u5e76\u4e0d\u662f\u5f88\u591a\u89c1\uff0c\u56e0\u4e3a\u5982\u679c\u4f60\u7684 MySQL\u7684\u7248\u672c\u662f5.6\u4e4b\u524d\u7684\u7248\u672c\uff0c\u90a3\u4e48\u5168\u6587\u7d22\u5f15\u51e0\u4e4e\u4e0d\u652f\u6301\uff0c\u4e3a\u4ec0\u4e48\u5462\uff1f<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u56e0\u4e3a\u5728MySQL 5.6 \u4ee5\u524d\u7684\u7248\u672c\uff0c\u53ea\u6709MyISAM\u5b58\u50a8\u5f15\u64ce\u652f\u6301\u5168\u6587\u7d22\u5f15\uff0c\u4eceMySQL 5.6\u5f00\u59cbMyISAM\u548cInnoDB\u5b58\u50a8\u5f15\u64ce\u5747\u652f\u6301\u3002<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u67e5\u8be2\u64cd\u4f5c\u5728\u6570\u636e\u91cf\u6bd4\u8f83\u5c11\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528like\u6a21\u7cca\u67e5\u8be2\uff0c\u4f46\u662f\u5bf9\u4e8e\u5927\u91cf\u7684\u6587\u672c\u6570\u636e\u68c0\u7d22\uff0c\u6548\u7387\u5f88\u4f4e\u3002\u5982\u679c \u4f7f\u7528\u5168\u6587\u7d22\u5f15\uff0c\u67e5\u8be2\u901f\u5ea6\u4f1a\u6bd4like\u5feb\u5f88\u591a\u500d\u3002<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u521b\u5efa\u5168\u6587\u7d22\u5f15\u7684SQL\uff1a<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">CREATE FULLTEXT INDEX &lt;\u7d22\u5f15\u7684\u540d\u5b57&gt; ON tablename (\u5b57\u6bb5\u540d);<\/code><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">ALTER TABLE tablename ADD FULLTEXT [\u7d22\u5f15\u7684\u540d\u5b57] (\u5b57\u6bb5\u540d);<\/code><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">CREATE TABLE tablename ( [...], FULLTEXT KEY [\u7d22\u5f15\u7684\u540d\u5b57] (\u5b57\u6bb5\u540d) ;<\/code><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u548c\u5e38\u7528\u7684like\u6a21\u7cca\u67e5\u8be2\u4e0d\u540c\uff0c\u5168\u6587\u7d22\u5f15\u6709\u81ea\u5df1\u7684\u8bed\u6cd5\u683c\u5f0f\uff0c\u4f7f\u7528 match \u548c against \u5173\u952e\u5b57.<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u6211\u4eec\u770b\u770b SQL \u662f\u600e\u4e48\u8bf4\u7684\uff1a<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><code style=\"margin-right: 2px; margin-left: 2px; padding: 2px 4px; outline: 0px; font-size: 14px; border-radius: 4px; background-color: rgba(27, 31, 35, 0.05); font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace; word-break: break-all; color: #28ca71;\">select * from user where match(name) against('aaa');<\/code><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u800c\u4e14\u4f7f\u7528\u5168\u6587\u7d22\u5f15\u7684\u8bdd\uff0c\u9650\u5236\u4e5f\u662f\u975e\u5e38\u591a\u7684\u3002<\/p>\n<ul class=\"list-paddingleft-1\" style=\"margin-top: 8px; margin-bottom: 8px; padding-left: 25px; outline: 0px; list-style-position: inside; text-align: left; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-wrap: wrap; background-color: #ffffff; color: black;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\n<li style=\"outline: 0px;\">\n<section style=\"margin-top: 5px; margin-bottom: 5px; outline: 0px; display: inline; line-height: 26px; color: #010101;\">\n<p style=\"padding-top: 1em; padding-bottom: 8px; outline: 0px; display: inline; color: #4a4a4a; line-height: 1.75em;\">\u5168\u6587\u7d22\u5f15\u5fc5\u987b\u5728\u5b57\u7b26\u4e32\u3001\u6587\u672c\u5b57\u6bb5\u4e0a\u5efa\u7acb\u3002<\/p>\n<\/section>\n<\/li>\n<li style=\"outline: 0px;\">\n<section style=\"margin-top: 5px; margin-bottom: 5px; outline: 0px; display: inline; line-height: 26px; color: #010101;\">\n<p style=\"padding-top: 1em; padding-bottom: 8px; outline: 0px; display: inline; color: #4a4a4a; line-height: 1.75em;\">\u5168\u6587\u7d22\u5f15\u5b57\u6bb5\u503c\u5fc5\u987b\u5728\u6700\u5c0f\u5b57\u7b26\u548c\u6700\u5927\u5b57\u7b26\u4e4b\u95f4\u7684\u624d\u4f1a\u6709\u6548\u3002\uff08innodb\uff1a3-84\uff1bmyisam\uff1a4- 84\uff09<\/p>\n<\/section>\n<\/li>\n<li style=\"outline: 0px;\">\n<section style=\"margin-top: 5px; margin-bottom: 5px; outline: 0px; display: inline; line-height: 26px; color: #010101;\">\n<p style=\"padding-top: 1em; padding-bottom: 8px; outline: 0px; display: inline; color: #4a4a4a; line-height: 1.75em;\">\u5168\u6587\u7d22\u5f15\u5b57\u6bb5\u503c\u8981\u8fdb\u884c\u5207\u8bcd\u5904\u7406\uff0c\u6309syntax\u5b57\u7b26\u8fdb\u884c\u5207\u5272\uff0c\u4f8b\u5982b+aaa\uff0c\u5207\u5206\u6210b\u548caaa<\/p>\n<\/section>\n<\/li>\n<li style=\"outline: 0px;\">\n<section style=\"margin-top: 5px; margin-bottom: 5px; outline: 0px; display: inline; line-height: 26px; color: #010101;\">\n<p style=\"padding-top: 1em; padding-bottom: 8px; outline: 0px; display: inline; color: #4a4a4a; line-height: 1.75em;\">\u5168\u6587\u7d22\u5f15\u5339\u914d\u67e5\u8be2\uff0c\u9ed8\u8ba4\u4f7f\u7528\u7684\u662f\u7b49\u503c\u5339\u914d\uff0c\u4f8b\u5982a\u5339\u914da\uff0c\u4e0d\u4f1a\u5339\u914dab,ac\u3002\u5982\u679c\u60f3\u5339\u914d\u53ef\u4ee5\u5728\u5e03 \u5c14\u6a21\u5f0f\u4e0b\u641c\u7d22a*<\/p>\n<\/section>\n<\/li>\n<\/ul>\n<h5 style=\"margin-top: 30px; margin-bottom: 15px; outline: 0px; font-weight: bold; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: black;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><span style=\"outline: 0px;\">\u7d22\u5f15\u7684\u5b9e\u73b0\u539f\u7406<\/span><\/h5>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u5176\u5b9e\u7d22\u5f15\u7684\u5b9e\u73b0\u539f\u7406\uff0c\u5bf9\u4e8e\u5f00\u53d1\u6765\u8bf4\uff0c\u5e76\u4e0d\u964c\u751f\uff0c\u56e0\u4e3a\u5728\u9762\u8bd5\u7684\u65f6\u5019\uff0c\u5f88\u591a\u9762\u8bd5\u5b98\u90fd\u4f1a\u95ee\u5230\u8fd9\u4e2a\uff0c\u5e95\u5c42\u662f\u600e\u4e48\u5b9e\u73b0\u7684\uff0c\u6709\u6ca1\u6709\u81ea\u5df1\u5bf9\u4ed6\u7684\u4e86\u89e3\u5462\uff1f<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u9996\u5148\u6211\u4eec\u5f97\u5148\u77e5\u9053 MySQL\u5b98\u65b9\u662f\u600e\u4e48\u5bf9\u4ed6\u5b9a\u4e49\u7684:<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u662f\u5b58\u50a8\u5f15\u64ce\u7528\u4e8e\u5feb\u901f\u67e5\u627e\u8bb0\u5f55\u7684\u4e00\u79cd\u6570\u636e\u7ed3\u6784\u3002\u9700\u8981\u989d\u5916\u5f00\u8f9f\u7a7a\u95f4\u548c\u6570\u636e\u7ef4\u62a4\u5de5\u4f5c\u3002\u7d22\u5f15\u662f\u7269\u7406\u6570\u636e\u9875\u5b58\u50a8\uff0c\u5728\u6570\u636e\u6587\u4ef6\u4e2d\uff08InnoDB\uff0cibd\u6587\u4ef6\uff09\uff0c\u5229\u7528\u6570\u636e\u9875(page)\u5b58\u50a8\u3002\u7d22\u5f15\u53ef\u4ee5\u52a0\u5feb\u68c0\u7d22\u901f\u5ea6\uff0c\u4f46\u662f\u540c\u65f6\u4e5f\u4f1a\u964d\u4f4e\u589e\u5220\u6539\u64cd\u4f5c\u901f\u5ea6\uff0c\u7d22\u5f15\u7ef4\u62a4\u9700\u8981\u4ee3\u4ef7\u3002<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><strong style=\"outline: 0px; line-height: 1.75em;\">MyISAM\u7d22\u5f15\u5b9e\u73b0<\/strong>\uff1a<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">MyISAM\u5f15\u64ce\u4f7f\u7528B+Tree\u4f5c\u4e3a\u7d22\u5f15\u7ed3\u6784\uff0c\u53f6\u8282\u70b9\u7684data\u57df\u5b58\u653e\u7684\u662f\u6570\u636e\u8bb0\u5f55\u7684\u5730\u5740<a href=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_jpg\/QzI3807PeUl6UkEWj6KAZbl1NHcB3OKE9OZia675USHibRyq8cWibA6ddeOmxp1xEfruYiaBKFEKMel1kZDBfYoRFQ\/640?wx_fmt=jpeg&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" target=\"_blank\"  rel=\"nofollow\" ><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2959 lazyload\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083757948-300x118.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" width=\"684\" height=\"269\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083757948-300x118.jpeg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083757948-1024x401.jpeg 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083757948-768x301.jpeg 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083757948.jpeg 1080w\" sizes=\"auto, (max-width: 684px) 100vw, 684px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2959\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083757948-300x118.jpeg\" alt=\"\" width=\"684\" height=\"269\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083757948-300x118.jpeg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083757948-1024x401.jpeg 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083757948-768x301.jpeg 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083757948.jpeg 1080w\" sizes=\"auto, (max-width: 684px) 100vw, 684px\" \/><\/noscript><\/a><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><span style=\"letter-spacing: 0.544px;\">\u8fd9\u91cc\u5047\u8bbe\u8868\u4e00\u5171\u6709\u4e09\u5217\uff0c\u5047\u8bbe\u6211\u4eec\u4ee5Col1\u4e3a\u4e3b\u952e\uff0c\u5219\u4e0a\u56fe\u662f\u4e00\u4e2aMyISAM\u8868\u7684\u4e3b\u7d22\u5f15\uff08Primary key\uff09\u793a\u610f\u3002<\/span><span style=\"letter-spacing: 0.544px;\">\u53ef\u4ee5\u770b\u51faMyISAM\u7684\u7d22\u5f15\u6587\u4ef6\u4ec5\u4ec5\u4fdd\u5b58\u6570\u636e\u8bb0\u5f55\u7684\u5730\u5740\u3002<\/span><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\">\u5728MyISAM\u4e2d\uff0c\u4e3b\u7d22\u5f15\u548c\u8f85\u52a9\u7d22\u5f15\uff08Secondary key\uff09\u5728\u7ed3\u6784\u4e0a\u6ca1\u6709\u4efb\u4f55\u533a\u522b\uff0c\u53ea\u662f\u4e3b\u7d22\u5f15\u8981\u6c42key\u662f\u552f\u4e00\u7684\uff0c\u800c\u8f85\u52a9\u7d22\u5f15\u7684key\u53ef\u4ee5\u91cd\u590d\u3002<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><span style=\"background-color: #ffffff;\">\u5982\u679c\u6211\u4eec\u5728Col2\u4e0a\u5efa\u7acb\u4e00\u4e2a\u8f85\u52a9\u7d22\u5f15\uff0c\u5219\u6b64\u7d22\u5f15\u7684\u7ed3\u6784\u5982\u4e0b\u56fe\u6240\u793a\u3002\u540c\u6837\u4e5f\u662f\u4e00<\/span>\u68f5<span style=\"background-color: #ffffff;\">B+Tree\uff0cdata\u57df\u4fdd\u5b58\u6570\u636e\u8bb0\u5f55\u7684\u5730\u5740\u3002<\/span><span style=\"background-color: #ffffff;\">\u56e0\u6b64\uff0cMyISAM\u4e2d\u7d22\u5f15\u68c0\u7d22\u7684\u7b97\u6cd5\u4e3a\u9996\u5148\u6309\u7167B+Tree\u641c\u7d22\u7b97\u6cd5\u641c\u7d22\u7d22\u5f15\uff0c\u5982\u679c\u6307\u5b9a\u7684Key\u5b58\u5728\uff0c\u5219\u53d6\u51fa\u5176data\u57df\u7684\u503c\uff0c\u7136\u540e\u4ee5data\u57df\u7684\u503c\u4e3a\u5730\u5740\uff0c\u8bfb\u53d6\u76f8\u5e94\u6570\u636e\u8bb0\u5f55\u3002<\/span><\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2958 lazyload\" data-src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083719725-300x118.jpeg\" src=\"https:\/\/s.nmxc.ltd\/sakurairo_vision\/@2.6\/load_svg\/inload.svg\" onerror=\"imgError(this)\" alt=\"\" width=\"710\" height=\"279\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083719725-300x118.jpeg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083719725-1024x401.jpeg 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083719725-768x301.jpeg 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083719725.jpeg 1080w\" sizes=\"auto, (max-width: 710px) 100vw, 710px\" \/><noscript><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2958\" src=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083719725-300x118.jpeg\" alt=\"\" width=\"710\" height=\"279\" srcset=\"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083719725-300x118.jpeg 300w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083719725-1024x401.jpeg 1024w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083719725-768x301.jpeg 768w, https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/07\/20230714083719725.jpeg 1080w\" sizes=\"auto, (max-width: 710px) 100vw, 710px\" \/><\/noscript><\/p>\n<figure style=\"margin-top: 10px; margin-bottom: 10px; outline: 0px; color: #3f3f3f; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; display: flex; flex-direction: column; justify-content: center; align-items: center;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><\/figure>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; font-size: 16px; letter-spacing: 0.544px; text-align: left; text-wrap: wrap; background-color: #ffffff; color: #4a4a4a; line-height: 1.75em;\" data-tool=\"mdnice\u7f16\u8f91\u5668\"><strong style=\"outline: 0px; line-height: 1.75em;\">InnoDB\u7d22\u5f15\u5b9e\u73b0<\/strong>\uff1a<\/p>\n<p style=\"margin-bottom: 0px; padding-top: 1em; padding-bottom: 8px; outline: 0px; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif; 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