{"id":190384,"date":"2024-11-12T12:08:17","date_gmt":"2024-11-12T04:08:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190384\/"},"modified":"2024-11-12T12:08:18","modified_gmt":"2024-11-12T04:08:18","slug":"%e7%b6%ad%e8%ad%b7sql%e5%85%a8%e6%96%87%e7%b4%a2%e5%bc%95%e7%9a%84%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190384\/","title":{"rendered":"\u7dad\u8b77SQL\u5168\u6587\u7d22\u5f15\u7684\u65b9\u5f0f"},"content":{"rendered":"<h1 id=\"%e7%b6%ad%e8%ad%b7sql%e5%85%a8%e6%96%87%e7%b4%a2%e5%bc%95%e7%9a%84%e6%96%b9%e5%bc%8f-XiRffhrnGk\">\u7dad\u8b77SQL\u5168\u6587\u7d22\u5f15\u7684\u65b9\u5f0f<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cSQL\u5168\u6587\u7d22\u5f15\u6210\u70ba\u4e86\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u5b83\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6587\u672c\u6578\u64da\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u7dad\u8b77SQL\u5168\u6587\u7d22\u5f15\u7684\u6709\u6548\u65b9\u6cd5\uff0c\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u78ba\u4fdd\u5176\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsql%e5%85%a8%e6%96%87%e7%b4%a2%e5%bc%95%ef%bc%9f-XiRffhrnGk\">\u4ec0\u9ebc\u662fSQL\u5168\u6587\u7d22\u5f15\uff1f<\/h2>\n<p>SQL\u5168\u6587\u7d22\u5f15\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u7d22\u5f15\u985e\u578b\uff0c\u65e8\u5728\u52a0\u901f\u5c0d\u6587\u672c\u6578\u64da\u7684\u67e5\u8a62\u3002\u8207\u50b3\u7d71\u7684\u7d22\u5f15\u4e0d\u540c\uff0c\u5168\u6587\u7d22\u5f15\u5141\u8a31\u7528\u6236\u5c0d\u6574\u500b\u6587\u672c\u9032\u884c\u641c\u7d22\uff0c\u800c\u4e0d\u50c5\u50c5\u662f\u57fa\u65bc\u7279\u5b9a\u7684\u5217\u6216\u5b57\u6bb5\u3002\u9019\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u4f7f\u7528\u81ea\u7136\u8a9e\u8a00\u67e5\u8a62\uff0c\u4e26\u7372\u5f97\u66f4\u70ba\u7cbe\u78ba\u7684\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e7%b6%ad%e8%ad%b7sql%e5%85%a8%e6%96%87%e7%b4%a2%e5%bc%95%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-XiRffhrnGk\">\u7dad\u8b77SQL\u5168\u6587\u7d22\u5f15\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u7dad\u8b77SQL\u5168\u6587\u7d22\u5f15\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u82e5\u4e0d\u5b9a\u671f\u9032\u884c\u7dad\u8b77\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u6e96\u78ba\uff0c\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\u3002\u4ee5\u4e0b\u662f\u7dad\u8b77\u5168\u6587\u7d22\u5f15\u7684\u4e00\u4e9b\u95dc\u9375\u539f\u56e0\uff1a<\/p>\n<ul>\n<li>\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff1a\u5b9a\u671f\u7dad\u8b77\u53ef\u4ee5\u78ba\u4fdd\u7d22\u5f15\u7684\u6e96\u78ba\u6027\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li>\u6e1b\u5c11\u8cc7\u6e90\u6d88\u8017\uff1a\u4e0d\u6e96\u78ba\u7684\u7d22\u5f15\u6703\u5c0e\u81f4\u7cfb\u7d71\u8cc7\u6e90\u7684\u6d6a\u8cbb\uff0c\u5f71\u97ff\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li>\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\uff1a\u7dad\u8b77\u7d22\u5f15\u6709\u52a9\u65bc\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b6%ad%e8%ad%b7sql%e5%85%a8%e6%96%87%e7%b4%a2%e5%bc%95%e7%9a%84%e6%96%b9%e5%bc%8f-XiRffhrnGk\">\u7dad\u8b77SQL\u5168\u6587\u7d22\u5f15\u7684\u65b9\u5f0f<\/h2>\n<h3 id=\"1-%e5%ae%9a%e6%9c%9f%e9%87%8d%e5%bb%ba%e7%b4%a2%e5%bc%95-XiRffhrnGk\">1. \u5b9a\u671f\u91cd\u5efa\u7d22\u5f15<\/h3>\n<p>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\u548c\u8b8a\u5316\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u788e\u7247\u5316\u3002\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u53ef\u4ee5\u6d88\u9664\u9019\u4e9b\u788e\u7247\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u91cd\u5efa\u7d22\u5f15\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>ALTER INDEX index_name REBUILD;<\/code><\/pre>\n<h3 id=\"2-%e6%9b%b4%e6%96%b0%e7%b5%b1%e8%a8%88%e4%bf%a1%e6%81%af-XiRffhrnGk\">2. \u66f4\u65b0\u7d71\u8a08\u4fe1\u606f<\/h3>\n<p>\u7d71\u8a08\u4fe1\u606f\u662f\u6578\u64da\u5eab\u7528\u4f86\u512a\u5316\u67e5\u8a62\u8a08\u5283\u7684\u91cd\u8981\u4f9d\u64da\u3002\u5b9a\u671f\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u53ef\u4ee5\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u7684\u5206\u4f48\u60c5\u6cc1\uff0c\u5f9e\u800c\u9078\u64c7\u6700\u4f73\u7684\u67e5\u8a62\u8def\u5f91\u3002\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE STATISTICS table_name;<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%81%a9%e7%95%b6%e7%9a%84%e6%9f%a5%e8%a9%a2%e8%aa%9e%e6%b3%95-XiRffhrnGk\">3. \u4f7f\u7528\u9069\u7576\u7684\u67e5\u8a62\u8a9e\u6cd5<\/h3>\n<p>\u5728\u9032\u884c\u5168\u6587\u641c\u7d22\u6642\uff0c\u4f7f\u7528\u9069\u7576\u7684\u67e5\u8a62\u8a9e\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u201cCONTAINS\u201d\u6216\u201cFREETEXT\u201d\u51fd\u6578\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u9032\u884c\u6587\u672c\u641c\u7d22\uff1a<\/p>\n<pre><code>SELECT * FROM table_name WHERE CONTAINS(column_name, 'search_term');<\/code><\/pre>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e7%b4%a2%e5%bc%95%e6%80%a7%e8%83%bd-XiRffhrnGk\">4. \u76e3\u63a7\u7d22\u5f15\u6027\u80fd<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7\u7d22\u5f15\u7684\u6027\u80fd\u662f\u7dad\u8b77\u7684\u91cd\u8981\u4e00\u74b0\u3002\u53ef\u4ee5\u4f7f\u7528\u6578\u64da\u5eab\u63d0\u4f9b\u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\u4f86\u6aa2\u67e5\u7d22\u5f15\u7684\u4f7f\u7528\u60c5\u6cc1\u548c\u6548\u7387\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h3 id=\"5-%e6%b8%85%e7%90%86%e4%b8%8d%e5%bf%85%e8%a6%81%e7%9a%84%e7%b4%a2%e5%bc%95-XiRffhrnGk\">5. \u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15<\/h3>\n<p>\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u67d0\u4e9b\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u518d\u9700\u8981\u3002\u5b9a\u671f\u6aa2\u67e5\u4e26\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\u53ef\u4ee5\u6e1b\u5c11\u7cfb\u7d71\u7684\u8ca0\u64d4\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-XiRffhrnGk\">\u7d50\u8ad6<\/h2>\n<p>\u7dad\u8b77SQL\u5168\u6587\u7d22\u5f15\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u901a\u904e\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u3001\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u3001\u4f7f\u7528\u9069\u7576\u7684\u67e5\u8a62\u8a9e\u6cd5\u3001\u76e3\u63a7\u7d22\u5f15\u6027\u80fd\u4ee5\u53ca\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u5347\u67e5\u8a62\u6027\u80fd\u548c\u7cfb\u7d71\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9019\u4e9b\u7dad\u8b77\u63aa\u65bd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u53ca\u5176\u76f8\u95dc\u670d\u52d9\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u7dad\u8b77SQL\u5168\u6587\u7d22\u5f15\u7684\u6700\u4f73\u65b9\u6cd5\uff0c\u63d0\u5347\u67e5\u8a62\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u6027\u80fd\u7a69\u5b9a\uff0c\u512a\u5316\u641c\u7d22\u7d50\u679c\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-190384","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190384","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=190384"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190384\/revisions"}],"predecessor-version":[{"id":190385,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190384\/revisions\/190385"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}