{"id":170063,"date":"2024-11-06T20:50:25","date_gmt":"2024-11-06T12:50:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/170063\/"},"modified":"2024-11-06T20:50:26","modified_gmt":"2024-11-06T12:50:26","slug":"%e4%bd%a0%e5%a5%bd%ef%bc%8c%e9%9d%a2%e8%a9%a6%e5%ae%98-%e6%88%91%e4%b8%8d%e5%83%85%e7%9f%a5%e9%81%93mysql%e7%b4%a2%e5%bc%95%ef%bc%8c%e9%82%84%e6%9c%83%e5%84%aa%e5%8c%96%e5%91%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/170063\/","title":{"rendered":"\u4f60\u597d\uff0c\u9762\u8a66\u5b98 | \u6211\u4e0d\u50c5\u77e5\u9053MySQL\u7d22\u5f15\uff0c\u9084\u6703\u512a\u5316\u5462~"},"content":{"rendered":"<h1 id=\"%e4%bd%a0%e5%a5%bd%ef%bc%8c%e9%9d%a2%e8%a9%a6%e5%ae%98-%e6%88%91%e4%b8%8d%e5%83%85%e7%9f%a5%e9%81%93mysql%e7%b4%a2%e5%bc%95%ef%bc%8c%e9%82%84%e6%9c%83%e5%84%aa%e5%8c%96%e5%91%a2-xFKIWRweEa\">\u4f60\u597d\uff0c\u9762\u8a66\u5b98 | \u6211\u4e0d\u50c5\u77e5\u9053MySQL\u7d22\u5f15\uff0c\u9084\u6703\u512a\u5316\u5462~<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u67e5\u8a62\u548c\u7ba1\u7406\u6578\u64da\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u9019\u6642\uff0c\u7d22\u5f15\u7684\u4f7f\u7528\u4fbf\u6210\u70ba\u4e86\u63d0\u5347\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u7d22\u5f15\u7684\u57fa\u672c\u6982\u5ff5\u3001\u985e\u578b\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u512a\u5316\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afmysql%e7%b4%a2%e5%bc%95%ef%bc%9f-xFKIWRweEa\">\u4ec0\u9ebc\u662fMySQL\u7d22\u5f15\uff1f<\/h2>\n<p>\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u7528\u65bc\u52a0\u901f\u6578\u64da\u6aa2\u7d22\u7684\u904e\u7a0b\u3002\u5b83\u985e\u4f3c\u65bc\u66f8\u7c4d\u7684\u76ee\u9304\uff0c\u80fd\u5920\u5e6b\u52a9\u6578\u64da\u5eab\u5feb\u901f\u5b9a\u4f4d\u5230\u6240\u9700\u7684\u6578\u64da\u3002MySQL\u652f\u6301\u591a\u7a2e\u7d22\u5f15\u985e\u578b\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>B-Tree\u7d22\u5f15\uff1a<\/strong>\u9019\u662fMySQL\u4e2d\u6700\u5e38\u7528\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>\u4e3b\u8981\u7528\u65bc\u7b49\u503c\u67e5\u8a62\uff0c\u67e5\u8a62\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u4f46\u4e0d\u652f\u6301\u7bc4\u570d\u67e5\u8a62\u3002<\/li>\n<li><strong>\u5168\u6587\u7d22\u5f15\uff1a<\/strong>\u9069\u5408\u7528\u65bc\u6587\u672c\u641c\u7d22\uff0c\u80fd\u5920\u5c0d\u5927\u91cf\u6587\u672c\u6578\u64da\u9032\u884c\u9ad8\u6548\u7684\u67e5\u8a62\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%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95-xFKIWRweEa\">\u5982\u4f55\u5275\u5efa\u7d22\u5f15<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u5275\u5efa\u7d22\u5f15\u7684\u8a9e\u6cd5\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u5275\u5efa\u7d22\u5f15\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE INDEX idx_column_name ON table_name (column_name);<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u6703\u5728\u6307\u5b9a\u7684\u8868\u548c\u5217\u4e0a\u5275\u5efa\u4e00\u500b\u7d22\u5f15\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u904e\u591a\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u6578\u64da\u7684\u63d2\u5165\u548c\u66f4\u65b0\u6027\u80fd\uff0c\u56e0\u6b64\u5728\u5275\u5efa\u7d22\u5f15\u6642\u9700\u8981\u8b39\u614e\u8003\u616e\u3002<\/p>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e7%9a%84%e5%84%aa%e5%8c%96-xFKIWRweEa\">\u7d22\u5f15\u7684\u512a\u5316<\/h2>\n<p>\u7d22\u5f15\u7684\u512a\u5316\u662f\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u7d22\u5f15\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\uff1a<\/strong>\u6839\u64da\u67e5\u8a62\u7684\u7279\u6027\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u9700\u8981\u9032\u884c\u7bc4\u570d\u67e5\u8a62\u7684\u5217\uff0c\u61c9\u4f7f\u7528B-Tree\u7d22\u5f15\u3002<\/li>\n<li><strong>\u907f\u514d\u904e\u591a\u7684\u7d22\u5f15\uff1a<\/strong>\u6bcf\u500b\u7d22\u5f15\u90fd\u6703\u4f54\u7528\u984d\u5916\u7684\u5b58\u5132\u7a7a\u9593\uff0c\u4e26\u5f71\u97ff\u6578\u64da\u7684\u5beb\u5165\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u61c9\u8a72\u53ea\u70ba\u7d93\u5e38\u67e5\u8a62\u7684\u5217\u5275\u5efa\u7d22\u5f15\u3002<\/li>\n<li><strong>\u4f7f\u7528\u8907\u5408\u7d22\u5f15\uff1a<\/strong>\u5c0d\u65bc\u7d93\u5e38\u4e00\u8d77\u67e5\u8a62\u7684\u591a\u500b\u5217\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u8907\u5408\u7d22\u5f15\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u7d22\u5f15\u7684\u6578\u91cf\u4e26\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6aa2\u67e5\u548c\u91cd\u5efa\u7d22\u5f15\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u518d\u9ad8\u6548\u3002\u5b9a\u671f\u6aa2\u67e5\u7d22\u5f15\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u91cd\u5efa\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e7%9a%84%e7%9b%a3%e6%8e%a7-xFKIWRweEa\">\u7d22\u5f15\u7684\u76e3\u63a7<\/h2>\n<p>MySQL\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5de5\u5177\u4f86\u76e3\u63a7\u7d22\u5f15\u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u770b\u7d22\u5f15\u7684\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>SHOW INDEX FROM table_name;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u6703\u986f\u793a\u6307\u5b9a\u8868\u7684\u6240\u6709\u7d22\u5f15\u53ca\u5176\u4f7f\u7528\u60c5\u6cc1\u3002\u901a\u904e\u9019\u4e9b\u4fe1\u606f\uff0c\u53ef\u4ee5\u9032\u4e00\u6b65\u512a\u5316\u7d22\u5f15\u8a2d\u7f6e\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-xFKIWRweEa\">\u7d50\u8ad6<\/h2>\n<p>MySQL\u7d22\u5f15\u662f\u63d0\u5347\u6578\u64da\u5eab\u67e5\u8a62\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\u3002\u901a\u904e\u5408\u7406\u5730\u5275\u5efa\u548c\u512a\u5316\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u6548\u7387\u3002\u5728\u9762\u8a66\u4e2d\uff0c\u5c55\u793a\u4f60\u5c0dMySQL\u7d22\u5f15\u7684\u7406\u89e3\u548c\u512a\u5316\u80fd\u529b\uff0c\u5c07\u6709\u52a9\u65bc\u4f60\u5728\u6280\u8853\u9762\u8a66\u4e2d\u812b\u7a4e\u800c\u51fa\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5c0d\u65bcVPS\u4e3b\u6a5f\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216\u5176\u4ed6\u76f8\u95dc\u670d\u52d9\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728\u9762\u8a66\u4e2d\u5c55\u793a\u60a8\u5c0dMySQL\u7d22\u5f15\u7684\u6df1\u5165\u7406\u89e3\u8207\u512a\u5316\u6280\u5de7\uff0c\u8b93\u60a8\u5728\u6c42\u8077\u4e2d\u812b\u7a4e\u800c\u51fa\uff01<\/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-170063","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170063","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=170063"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170063\/revisions"}],"predecessor-version":[{"id":170064,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170063\/revisions\/170064"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=170063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=170063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=170063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}