{"id":76148,"date":"2024-10-16T04:15:16","date_gmt":"2024-10-15T20:15:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76148\/"},"modified":"2024-10-16T04:15:17","modified_gmt":"2024-10-15T20:15:17","slug":"mysql%e5%8c%b9%e9%85%8d%e6%a8%a1%e5%bc%8f%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%a1%88%e7%b0%a1%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76148\/","title":{"rendered":"MySQL\u5339\u914d\u6a21\u5f0f\u7684\u5be6\u73fe\u65b9\u6848\u7c21\u4ecb"},"content":{"rendered":"<h1 id=\"mysql%e5%8c%b9%e9%85%8d%e6%a8%a1%e5%bc%8f%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%a1%88%e7%b0%a1%e4%bb%8b-UWItTIXMaR\">MySQL\u5339\u914d\u6a21\u5f0f\u7684\u5be6\u73fe\u65b9\u6848\u7c21\u4ecb<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cMySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5176\u5f37\u5927\u7684\u67e5\u8a62\u529f\u80fd\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u9748\u6d3b\u5730\u6aa2\u7d22\u548c\u64cd\u4f5c\u6578\u64da\u3002\u672c\u6587\u5c07\u4ecb\u7d39MySQL\u4e2d\u7684\u5339\u914d\u6a21\u5f0f\u53ca\u5176\u5be6\u73fe\u65b9\u6848\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u9032\u884c\u9ad8\u6548\u7684\u6578\u64da\u67e5\u8a62\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%8c%b9%e9%85%8d%e6%a8%a1%e5%bc%8f%ef%bc%9f-UWItTIXMaR\">\u4ec0\u9ebc\u662f\u5339\u914d\u6a21\u5f0f\uff1f<\/h2>\n<p>\u5339\u914d\u6a21\u5f0f\u662f\u6307\u5728\u67e5\u8a62\u6578\u64da\u6642\uff0c\u6839\u64da\u7279\u5b9a\u7684\u689d\u4ef6\u4f86\u7be9\u9078\u6578\u64da\u7684\u65b9\u5f0f\u3002\u5728MySQL\u4e2d\uff0c\u9019\u901a\u5e38\u6d89\u53ca\u5230\u4f7f\u7528LIKE\u904b\u7b97\u7b26\u3001\u6b63\u5247\u8868\u9054\u5f0f\u4ee5\u53ca\u5168\u6587\u6aa2\u7d22\u7b49\u6280\u8853\u3002\u9019\u4e9b\u6280\u8853\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u6839\u64da\u7279\u5b9a\u7684\u6a21\u5f0f\u4f86\u67e5\u627e\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u7684\u9748\u6d3b\u6027\u548c\u6548\u7387\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8like%e9%81%8b%e7%ae%97%e7%ac%a6-UWItTIXMaR\">\u4f7f\u7528LIKE\u904b\u7b97\u7b26<\/h2>\n<p>LIKE\u904b\u7b97\u7b26\u662fMySQL\u4e2d\u6700\u5e38\u7528\u7684\u5339\u914d\u6a21\u5f0f\u4e4b\u4e00\u3002\u5b83\u5141\u8a31\u7528\u6236\u4f7f\u7528\u901a\u914d\u7b26\u4f86\u9032\u884c\u6a21\u7cca\u67e5\u8a62\u3002\u901a\u914d\u7b26\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>%<\/code>\uff1a\u4ee3\u8868\u96f6\u500b\u6216\u591a\u500b\u5b57\u7b26\u3002<\/li>\n<li><code>_<\/code>\uff1a\u4ee3\u8868\u55ae\u500b\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e00\u500b\u540d\u70ba<code>users<\/code>\u7684\u8868\uff0c\u5305\u542b\u7528\u6236\u7684\u59d3\u540d\u3002\u82e5\u8981\u67e5\u627e\u6240\u6709\u4ee5\u201cJ\u201d\u958b\u982d\u7684\u7528\u6236\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE name LIKE 'J%';<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6240\u6709\u59d3\u540d\u4ee5\u201cJ\u201d\u958b\u982d\u7684\u7528\u6236\u3002<\/p>\n<h2 id=\"%e6%ad%a3%e5%89%87%e8%a1%a8%e9%81%94%e5%bc%8f%e7%9a%84%e4%bd%bf%e7%94%a8-UWItTIXMaR\">\u6b63\u5247\u8868\u9054\u5f0f\u7684\u4f7f\u7528<\/h2>\n<p>\u9664\u4e86LIKE\u904b\u7b97\u7b26\uff0cMySQL\u9084\u652f\u6301\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u9032\u884c\u66f4\u8907\u96dc\u7684\u5339\u914d\u3002\u4f7f\u7528<code>REGEXP<\/code>\u904b\u7b97\u7b26\uff0c\u53ef\u4ee5\u9032\u884c\u66f4\u9748\u6d3b\u7684\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u67e5\u627e\u6240\u6709\u59d3\u540d\u4e2d\u5305\u542b\u201ca\u201d\u6216\u201ce\u201d\u7684\u7528\u6236\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE name REGEXP 'a|e';<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u80fd\u5920\u66f4\u7cbe\u78ba\u5730\u7be9\u9078\u51fa\u7b26\u5408\u689d\u4ef6\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e5%85%a8%e6%96%87%e6%aa%a2%e7%b4%a2-UWItTIXMaR\">\u5168\u6587\u6aa2\u7d22<\/h2>\n<p>\u5c0d\u65bc\u9700\u8981\u5728\u5927\u91cf\u6587\u672c\u4e2d\u9032\u884c\u67e5\u8a62\u7684\u60c5\u6cc1\uff0cMySQL\u63d0\u4f9b\u4e86\u5168\u6587\u6aa2\u7d22\u529f\u80fd\u3002\u9019\u4e00\u529f\u80fd\u7279\u5225\u9069\u5408\u7528\u65bc\u67e5\u8a62\u9577\u6587\u672c\u5b57\u6bb5\uff0c\u5982\u6587\u7ae0\u5167\u5bb9\u6216\u8a55\u8ad6\u3002\u8981\u4f7f\u7528\u5168\u6587\u6aa2\u7d22\uff0c\u9996\u5148\u9700\u8981\u5728\u8868\u4e2d\u5275\u5efa\u5168\u6587\u7d22\u5f15\uff1a<\/p>\n<pre><code>ALTER TABLE articles ADD FULLTEXT(title, content);<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528<code>MATCH() AGAINST()<\/code>\u8a9e\u6cd5\u9032\u884c\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u67e5\u627e\u5305\u542b\u201cMySQL\u201d\u4e00\u8a5e\u7684\u6587\u7ae0\uff1a<\/p>\n<pre><code>SELECT * FROM articles WHERE MATCH(title, content) AGAINST('MySQL');<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u5305\u542b\u201cMySQL\u201d\u7684\u6587\u7ae0\uff0c\u4e26\u4e14\u901a\u5e38\u6bd4\u4f7f\u7528LIKE\u904b\u7b97\u7b26\u66f4\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-UWItTIXMaR\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u4f7f\u7528\u5339\u914d\u6a21\u5f0f\u6642\uff0c\u6027\u80fd\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u3002\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u4f7f\u7528LIKE\u904b\u7b97\u7b26\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u7279\u5225\u662f\u7576\u901a\u914d\u7b26\u4f4d\u65bc\u5b57\u7b26\u4e32\u958b\u982d\u6642\u3002\u6b63\u5247\u8868\u9054\u5f0f\u67e5\u8a62\u4e5f\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u548c\u67e5\u8a62\u6642\uff0c\u61c9\u8003\u616e\u4f7f\u7528\u7d22\u5f15\u4f86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UWItTIXMaR\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u7684\u5339\u914d\u6a21\u5f0f\u63d0\u4f9b\u4e86\u591a\u7a2e\u9748\u6d3b\u7684\u67e5\u8a62\u65b9\u5f0f\uff0c\u5f9e\u57fa\u672c\u7684LIKE\u904b\u7b97\u7b26\u5230\u66f4\u8907\u96dc\u7684\u6b63\u5247\u8868\u9054\u5f0f\u548c\u5168\u6587\u6aa2\u7d22\u529f\u80fd\uff0c\u9019\u4e9b\u5de5\u5177\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u9ad8\u6548\u5730\u6aa2\u7d22\u6240\u9700\u6578\u64da\u3002\u5728\u9078\u64c7\u5408\u9069\u7684\u5339\u914d\u6a21\u5f0f\u6642\uff0c\u61c9\u6839\u64da\u5177\u9ad4\u9700\u6c42\u548c\u6578\u64da\u7279\u6027\u4f86\u9032\u884c\u9078\u64c7\uff0c\u4ee5\u9054\u5230\u6700\u4f73\u7684\u6027\u80fd\u548c\u6548\u679c\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u5339\u914d\u6a21\u5f0f\u7684\u5be6\u73fe\u65b9\u6848\uff0c\u63a2\u7d22\u5176\u529f\u80fd\u3001\u61c9\u7528\u53ca\u512a\u5316\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387\u8207\u6e96\u78ba\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-76148","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=76148"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76148\/revisions"}],"predecessor-version":[{"id":76149,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76148\/revisions\/76149"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}