{"id":115487,"date":"2024-04-19T12:41:15","date_gmt":"2024-04-19T04:41:15","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/115487.html"},"modified":"2024-04-19T12:41:17","modified_gmt":"2024-04-19T04:41:17","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8sql%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%85%a8%e6%96%87%e6%90%9c%e7%b4%a2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/115487.html","title":{"rendered":"\u5982\u4f55\u5728SQL\u4e2d\u4f7f\u7528\u5168\u6587\u641c\u7d22"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/02173718\/bae61fb2-4e23-4df0-bfce-017957b84a3d.webp\" alt=\"\u5982\u4f55\u5728SQL\u4e2d\u4f7f\u7528\u5168\u6587\u641c\u7d22\" \/><\/p>\n<p><p><strong>\u5168\u6587\u641c\u7d22\u5728SQL\u4e2d\u7684\u5e94\u7528\u5141\u8bb8\u7528\u6237\u5728\u6570\u636e\u5e93\u8868\u4e2d\u7684\u6587\u672c\u5217\u4e0a\u6267\u884c\u5168\u9762\u3001\u9ad8\u6548\u7684\u67e5\u8be2\u3002\u6838\u5fc3\u8981\u70b9\u5305\u62ec\uff1a<\/strong> <strong>\u521b\u5efa\u5168\u6587\u7d22\u5f15\u3001\u4f7f\u7528 CONT<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>NS \u548c FREETEXT \u5173\u952e\u5b57\u3001\u914d\u7f6e\u641c\u7d22\u4ee5\u4f18\u5316\u6027\u80fd<\/strong> \u3001<strong>\u7406\u89e3\u5168\u6587\u7d22\u5f15\u7684\u7ef4\u62a4<\/strong>\u3002\u5728\u8fd9\u4e9b\u65b9\u9762\uff0c<strong>\u521b\u5efa\u5168\u6587\u7d22\u5f15<\/strong> \u662f\u5b9e\u73b0\u9ad8\u6548\u5168\u6587\u641c\u7d22\u7684\u7b2c\u4e00\u6b65\uff0c\u5b83\u80fd\u591f\u6781\u5927\u5730\u63d0\u5347\u67e5\u8be2\u7684\u6027\u80fd\u548c\u51c6\u786e\u7387\u3002<\/p>\n<\/p>\n<p><p>\u521b\u5efa\u5168\u6587\u7d22\u5f15\u4e3b\u8981\u6d89\u53ca\u9009\u62e9\u8981\u7d22\u5f15\u7684\u8868\u548c\u5217\u3001\u786e\u5b9a\u7d22\u5f15\u8bed\u8a00\uff0c\u5e76\u914d\u7f6e\u4efb\u4f55\u5fc5\u9700\u7684\u505c\u7528\u8bcd\uff08\u8fd9\u4e9b\u8bcd\u56e0\u4e3a\u592a\u5e38\u89c1\u800c\u5e38\u5e38\u88ab\u6392\u9664\u5728\u5916\uff0c\u5982\u201c\u548c\u201d\u3001\u201c\u662f\u201d\u7b49\uff09\u3002\u8fd9\u4e00\u6b65\u9aa4\u786e\u4fdd\u4e86\u641c\u7d22\u5f15\u64ce\u80fd\u591f\u7406\u89e3\u548c\u5904\u7406\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\u7684\u6587\u672c\u6570\u636e\uff0c\u4ece\u800c\u5bf9\u7528\u6237\u67e5\u8be2\u505a\u51fa\u5feb\u901f\u4e14\u76f8\u5173\u7684\u54cd\u5e94\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u521b\u5efa\u5168\u6587\u7d22\u5f15<\/h3>\n<\/p>\n<p><p>\u5168\u6587\u7d22\u5f15\u662f\u5bf9\u6570\u636e\u5e93\u8868\u4e2d\u4e00\u4e2a\u6216\u591a\u4e2a\u5217\u4e2d\u7684\u6587\u672c\u6570\u636e\u8fdb\u884c\u7d22\u5f15\uff0c\u4ee5\u4fbf\u8fdb\u884c\u9ad8\u6548\u7684\u5168\u6587\u641c\u7d22\u67e5\u8be2\u3002\u9996\u5148\uff0c\u4f60\u9700\u8981\u5728\u6709\u6587\u672c\u5185\u5bb9\u7684\u5217\u4e0a\u521b\u5efa\u4e00\u4e2a\u5168\u6587\u7d22\u5f15\u3002\u8fd9\u901a\u5e38\u901a\u8fc7\u4f7f\u7528SQL\u7684<code>CREATE FULLTEXT INDEX<\/code>\u8bed\u53e5\u5b8c\u6210\u3002\u521b\u5efa\u7d22\u5f15\u65f6\uff0c\u4f60\u53ef\u4ee5\u6307\u5b9a\u7d22\u5f15\u7684\u8bed\u8a00\uff0c\u8fd9\u5bf9\u4e8e\u6b63\u786e\u5904\u7406\u8bcd\u6c47\u7684\u8bed\u4e49\u5f88\u91cd\u8981\u3002<\/p>\n<\/p>\n<p><p>\u7d22\u5f15\u521b\u5efa\u540e\uff0c\u6570\u636e\u5e93\u4f1a\u5bf9\u6307\u5b9a\u5217\u4e2d\u7684\u6587\u672c\u5185\u5bb9\u8fdb\u884c\u5206\u6790\uff0c\u8bc6\u522b\u8bcd\u6c47\u5355\u5143\uff0c\u5e76\u5728\u5185\u90e8\u6784\u5efa\u4e00\u79cd\u7ed3\u6784\u6765\u5feb\u901f\u54cd\u5e94\u67e5\u8be2\u3002\u8fd9\u4e00\u8fc7\u7a0b\u662f\u81ea\u52a8\u7684\uff0c\u4f46\u7ba1\u7406\u5458\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574\u7d22\u5f15\u4ee5\u4f18\u5316\u6027\u80fd\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528 CONTAINS \u548c FREETEXT \u5173\u952e\u5b57<\/h3>\n<\/p>\n<p><p>\u5728\u5168\u6587\u7d22\u5f15\u521b\u5efa\u5b8c\u6210\u540e\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4e24\u4e2a\u4e3b\u8981\u7684SQL\u5173\u952e\u5b57\u8fdb\u884c\u67e5\u8be2\uff1a<code>CONTAINS<\/code> \u548c <code>FREETEXT<\/code>\u3002<code>CONTAINS<\/code> \u5173\u952e\u5b57\u5141\u8bb8\u5bf9\u6587\u672c\u8fdb\u884c\u7cbe\u786e\u67e5\u8be2\uff0c\u7528\u6237\u53ef\u4ee5\u6307\u5b9a\u7279\u5b9a\u7684\u8bcd\u6216\u77ed\u8bed\uff0c\u751a\u81f3\u662f\u5bf9\u8bcd\u7684\u5f62\u6001\u8fdb\u884c\u641c\u7d22\u3002\u800c <code>FREETEXT<\/code> \u5173\u952e\u5b57\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u4e3a\u81ea\u7531\u7684\u641c\u7d22\u65b9\u5f0f\uff0c\u5b83\u5bf9\u6587\u672c\u7684\u67e5\u8be2\u66f4\u52a0\u5bbd\u677e\uff0c\u53ef\u4ee5\u6355\u6349\u5230\u76f8\u5173\u6027\u66f4\u9ad8\u7684\u7ed3\u679c\u3002<\/p>\n<\/p>\n<p><p>\u8fd9\u4e24\u79cd\u67e5\u8be2\u65b9\u5f0f\u5404\u6709\u6240\u957f\uff0c\u9009\u62e9\u54ea\u4e00\u79cd\u53d6\u51b3\u4e8e\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u5f53\u7528\u6237\u9700\u8981\u5bf9\u7279\u5b9a\u672f\u8bed\u8fdb\u884c\u7cbe\u786e\u641c\u7d22\u65f6\uff0c<code>CONTAINS<\/code> \u662f\u66f4\u597d\u7684\u9009\u9879\uff1b\u800c\u5728\u9700\u8981\u6355\u6349\u5230\u6587\u672c\u7684\u5e7f\u6cdb\u542b\u4e49\u65f6\uff0c<code>FREETEXT<\/code> \u67e5\u8be2\u53ef\u80fd\u66f4\u4e3a\u9002\u5408\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u914d\u7f6e\u641c\u7d22\u4ee5\u4f18\u5316\u6027\u80fd<\/h3>\n<\/p>\n<p><p>\u914d\u7f6e\u641c\u7d22\u73af\u5883\u662f\u63d0\u9ad8\u5168\u6587\u641c\u7d22\u6548\u7387\u7684\u5173\u952e\u6b65\u9aa4\u3002\u8fd9\u6d89\u53ca\u9009\u62e9\u6b63\u786e\u7684\u8bed\u8a00\u3001\u914d\u7f6e\u505c\u7528\u8bcd\u548c\u8bbe\u7f6e\u8bcd\u5f62\u53d8\u5316\u89c4\u5219\u3002\u901a\u8fc7\u8c03\u6574\u8fd9\u4e9b\u914d\u7f6e\uff0c\u53ef\u4ee5\u786e\u4fdd\u641c\u7d22\u5f15\u64ce\u66f4\u51c6\u786e\u5730\u7406\u89e3\u67e5\u8be2\u610f\u56fe\uff0c\u5e76\u8fd4\u56de\u6700\u76f8\u5173\u7684\u7ed3\u679c\u3002<\/p>\n<\/p>\n<p><p>\u6b64\u5916\uff0c\u6027\u80fd\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5408\u7406\u7684\u7d22\u5f15\u7ef4\u62a4\u548c\u66f4\u65b0\u7b56\u7565\u6765\u4f18\u5316\u3002\u5b9a\u671f\u5bf9\u5168\u6587\u7d22\u5f15\u8fdb\u884c\u7ef4\u62a4\u53ef\u4ee5\u786e\u4fdd\u5176\u53cd\u6620\u4e86\u6570\u636e\u5e93\u4e2d\u6700\u65b0\u7684\u5185\u5bb9\u53d8\u5316\uff0c\u4ece\u800c\u63d0\u9ad8\u67e5\u8be2\u7684\u51c6\u786e\u6027\u548c\u901f\u5ea6\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u7406\u89e3\u5168\u6587\u7d22\u5f15\u7684\u7ef4\u62a4<\/h3>\n<\/p>\n<p><p>\u5168\u6587\u7d22\u5f15\u7684\u7ef4\u62a4\u5305\u62ec\u5b9a\u671f\u66f4\u65b0\u548c\u91cd\u5efa\u7d22\u5f15\u4ee5\u53cd\u6620\u5185\u5bb9\u7684\u53d8\u5316\u3002\u968f\u7740\u6570\u636e\u5e93\u5185\u5bb9\u7684\u589e\u52a0\u6216\u4fee\u6539\uff0c\u7d22\u5f15\u9700\u8981\u88ab\u66f4\u65b0\u4ee5\u786e\u4fdd\u67e5\u8be2\u7ed3\u679c\u7684\u51c6\u786e\u6027\u3002SQL\u63d0\u4f9b\u4e86\u5de5\u5177\u548c\u547d\u4ee4\uff0c\u5982<code>ALTER FULLTEXT INDEX<\/code>\uff0c\u6765\u5e2e\u52a9\u7ba1\u7406\u548c\u66f4\u65b0\u5168\u6587\u7d22\u5f15\u3002<\/p>\n<\/p>\n<p><p><strong>\u5408\u7406\u5730\u7ef4\u62a4\u5168\u6587\u7d22\u5f15<\/strong> 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