{"id":188998,"date":"2024-11-12T03:40:26","date_gmt":"2024-11-11T19:40:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188998\/"},"modified":"2024-11-12T03:40:28","modified_gmt":"2024-11-11T19:40:28","slug":"%e6%8f%90%e9%ab%98%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b4%a2%e5%bc%95%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b4%a2%e5%bc%95%e6%9f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188998\/","title":{"rendered":"\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u7684\u6578\u64da\u5eab\u7d22\u5f15\u67e5\u8a62\u8a9e\u53e5 (\u6578\u64da\u5eab\u7d22\u5f15\u67e5\u8a62\u8a9e\u53e5)"},"content":{"rendered":"<h1 id=\"%e6%8f%90%e9%ab%98%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b4%a2%e5%bc%95%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-fxqDFAnnhB\">\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u7684\u6578\u64da\u5eab\u7d22\u5f15\u67e5\u8a62\u8a9e\u53e5<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u67e5\u8a62\u7684\u901f\u5ea6\u548c\u6548\u7387\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u9700\u8981\u9762\u5c0d\u7684\u91cd\u8981\u6311\u6230\u3002\u6578\u64da\u5eab\u7d22\u5f15\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6578\u64da\u5eab\u7d22\u5f15\u7684\u57fa\u672c\u6982\u5ff5\u3001\u985e\u578b\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u7d22\u5f15\u67e5\u8a62\u8a9e\u53e5\u4f86\u512a\u5316\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b4%a2%e5%bc%95%ef%bc%9f-fxqDFAnnhB\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u7d22\u5f15\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u65e8\u5728\u63d0\u9ad8\u67e5\u8a62\u64cd\u4f5c\u7684\u901f\u5ea6\u3002\u5b83\u985e\u4f3c\u65bc\u66f8\u7c4d\u7684\u76ee\u9304\uff0c\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u5feb\u901f\u5b9a\u4f4d\u6240\u9700\u7684\u6578\u64da\u3002\u7d22\u5f15\u53ef\u4ee5\u52a0\u901f\u67e5\u8a62\u64cd\u4f5c\uff0c\u4f46\u540c\u6642\u4e5f\u6703\u589e\u52a0\u6578\u64da\u5beb\u5165\u7684\u6210\u672c\uff0c\u56e0\u70ba\u6bcf\u6b21\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u6578\u64da\u6642\uff0c\u7d22\u5f15\u4e5f\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u66f4\u65b0\u3002<\/p>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e7%9a%84%e9%a1%9e%e5%9e%8b-fxqDFAnnhB\">\u7d22\u5f15\u7684\u985e\u578b<\/h2>\n<ul>\n<li><strong>B\u6a39\u7d22\u5f15\uff1a<\/strong>\u6700\u5e38\u898b\u7684\u7d22\u5f15\u985e\u578b\uff0c\u9069\u7528\u65bc\u7bc4\u570d\u67e5\u8a62\u548c\u6392\u5e8f\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u54c8\u5e0c\u7d22\u5f15\uff1a<\/strong>\u9069\u5408\u7cbe\u78ba\u67e5\u8a62\uff0c\u4f46\u4e0d\u652f\u6301\u7bc4\u570d\u67e5\u8a62\u3002<\/li>\n<li><strong>\u5168\u6587\u7d22\u5f15\uff1a<\/strong>\u7528\u65bc\u6587\u672c\u641c\u7d22\uff0c\u80fd\u5920\u5feb\u901f\u67e5\u627e\u5305\u542b\u7279\u5b9a\u55ae\u8a5e\u7684\u8a18\u9304\u3002<\/li>\n<li><strong>\u7a7a\u9593\u7d22\u5f15\uff1a<\/strong>\u5c08\u9580\u7528\u65bc\u5730\u7406\u6578\u64da\u7684\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-fxqDFAnnhB\">\u5982\u4f55\u4f7f\u7528\u7d22\u5f15\u67e5\u8a62\u8a9e\u53e5<\/h2>\n<p>\u5728\u4f7f\u7528\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u7279\u5b9a\u7684\u67e5\u8a62\u8a9e\u53e5\u4f86\u5229\u7528\u7d22\u5f15\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u7d22\u5f15\u67e5\u8a62\u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95-fxqDFAnnhB\">\u5275\u5efa\u7d22\u5f15<\/h3>\n<pre><code>CREATE INDEX idx_column_name ON table_name (column_name);<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u5728\u6307\u5b9a\u7684\u8868\u4e0a\u5275\u5efa\u4e00\u500b\u7d22\u5f15\uff0c\u5f9e\u800c\u52a0\u901f\u5c0d\u8a72\u5217\u7684\u67e5\u8a62\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95%e6%9f%a5%e8%a9%a2-fxqDFAnnhB\">\u4f7f\u7528\u7d22\u5f15\u67e5\u8a62<\/h3>\n<pre><code>SELECT * FROM table_name WHERE column_name = 'value';<\/code><\/pre>\n<p>\u7576\u57f7\u884c\u9019\u689d\u67e5\u8a62\u6642\uff0c\u6578\u64da\u5eab\u5c07\u5229\u7528\u5df2\u5275\u5efa\u7684\u7d22\u5f15\u4f86\u5feb\u901f\u5b9a\u4f4d\u7b26\u5408\u689d\u4ef6\u7684\u8a18\u9304\u3002<\/p>\n<h3 id=\"%e6%9f%a5%e7%9c%8b%e7%b4%a2%e5%bc%95-fxqDFAnnhB\">\u67e5\u770b\u7d22\u5f15<\/h3>\n<pre><code>SHOW INDEX FROM table_name;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u53ef\u4ee5\u986f\u793a\u6307\u5b9a\u8868\u7684\u6240\u6709\u7d22\u5f15\u4fe1\u606f\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u4e86\u89e3\u7d22\u5f15\u7684\u4f7f\u7528\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"%e5%88%aa%e9%99%a4%e7%b4%a2%e5%bc%95-fxqDFAnnhB\">\u522a\u9664\u7d22\u5f15<\/h3>\n<pre><code>DROP INDEX idx_column_name ON table_name;<\/code><\/pre>\n<p>\u5982\u679c\u67d0\u500b\u7d22\u5f15\u4e0d\u518d\u9700\u8981\uff0c\u53ef\u4ee5\u4f7f\u7528\u9019\u689d\u8a9e\u53e5\u5c07\u5176\u522a\u9664\uff0c\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u958b\u92b7\u3002<\/p>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-fxqDFAnnhB\">\u7d22\u5f15\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528\u7d22\u5f15\u6642\uff0c\u958b\u767c\u8005\u61c9\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff0c\u4ee5\u78ba\u4fdd\u67e5\u8a62\u6027\u80fd\u7684\u6700\u5927\u5316\uff1a<\/p>\n<ul>\n<li>\u50c5\u5728\u7d93\u5e38\u67e5\u8a62\u7684\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\u589e\u52a0\u5beb\u5165\u6210\u672c\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u91cd\u5efa\u7d22\u5f15\uff0c\u4ee5\u4fdd\u6301\u5176\u6027\u80fd\u3002<\/li>\n<li>\u4f7f\u7528\u8907\u5408\u7d22\u5f15\u4f86\u512a\u5316\u591a\u5217\u67e5\u8a62\u3002<\/li>\n<li>\u907f\u514d\u5728\u9ad8\u57fa\u6578\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u56e0\u70ba\u9019\u6a23\u7684\u7d22\u5f15\u53ef\u80fd\u4e0d\u6703\u5e36\u4f86\u986f\u8457\u7684\u6027\u80fd\u63d0\u5347\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fxqDFAnnhB\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u7684\u91cd\u8981\u5de5\u5177\uff0c\u901a\u904e\u5408\u7406\u7684\u7d22\u5f15\u8a2d\u8a08\u548c\u67e5\u8a62\u8a9e\u53e5\u7684\u4f7f\u7528\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u4e86\u89e3\u4e0d\u540c\u985e\u578b\u7684\u7d22\u5f15\u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\uff0c\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002\u5728\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u6642\uff0c\u8003\u616e\u5230\u6578\u64da\u5eab\u6027\u80fd\u7684\u9700\u6c42\uff0c\u9078\u64c7\u4e00\u500b\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u5c07\u662f\u660e\u667a\u4e4b\u8209\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u901a\u904e\u6578\u64da\u5eab\u7d22\u5f15\u67e5\u8a62\u8a9e\u53e5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u512a\u5316\u6578\u64da\u6aa2\u7d22\u6027\u80fd\uff0c\u63d0\u5347\u7cfb\u7d71\u97ff\u61c9\u901f\u5ea6\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-188998","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188998","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=188998"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188998\/revisions"}],"predecessor-version":[{"id":188999,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188998\/revisions\/188999"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188998"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188998"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188998"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}