{"id":76772,"date":"2024-10-16T09:48:20","date_gmt":"2024-10-16T01:48:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76772\/"},"modified":"2024-10-16T09:48:20","modified_gmt":"2024-10-16T01:48:20","slug":"mysql%e7%b4%a2%e5%bc%9515%e9%80%a3%e5%95%8f%ef%bc%8c%e6%8a%97%e4%bd%8f%ef%bc%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76772\/","title":{"rendered":"MySQL\u7d22\u5f1515\u9023\u554f\uff0c\u6297\u4f4f\uff01"},"content":{"rendered":"<h1 id=\"mysql%e7%b4%a2%e5%bc%9515%e9%80%a3%e5%95%8f%ef%bc%8c%e6%8a%97%e4%bd%8f%ef%bc%81-BfSMjKxKla\">MySQL\u7d22\u5f1515\u9023\u554f\uff0c\u6297\u4f4f\uff01<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d22\u5f15\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u6982\u5ff5\u3002\u5b83\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u6e1b\u5c11\u6578\u64da\u6aa2\u7d22\u7684\u6642\u9593\u3002\u672c\u6587\u5c07\u91dd\u5c0dMySQL\u7d22\u5f15\u9032\u884c15\u500b\u5e38\u898b\u554f\u984c\u7684\u89e3\u7b54\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u6df1\u5165\u5730\u7406\u89e3\u9019\u4e00\u4e3b\u984c\u3002<\/p>\n<h2 id=\"1-%e4%bb%80%e9%ba%bc%e6%98%afmysql%e7%b4%a2%e5%bc%95%ef%bc%9f-BfSMjKxKla\">1. \u4ec0\u9ebc\u662fMySQL\u7d22\u5f15\uff1f<\/h2>\n<p>MySQL\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u7528\u65bc\u52a0\u901f\u6578\u64da\u6aa2\u7d22\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\u884c\u3002<\/p>\n<h2 id=\"2-%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95%ef%bc%9f-BfSMjKxKla\">2. \u70ba\u4ec0\u9ebc\u9700\u8981\u4f7f\u7528\u7d22\u5f15\uff1f<\/h2>\n<p>\u7d22\u5f15\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u6c92\u6709\u7d22\u5f15\u7684\u67e5\u8a62\u53ef\u80fd\u9700\u8981\u5168\u8868\u6383\u63cf\uff0c\u9019\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<h2 id=\"3-mysql%e4%b8%ad%e6%9c%89%e5%93%aa%e4%ba%9b%e9%a1%9e%e5%9e%8b%e7%9a%84%e7%b4%a2%e5%bc%95%ef%bc%9f-BfSMjKxKla\">3. MySQL\u4e2d\u6709\u54ea\u4e9b\u985e\u578b\u7684\u7d22\u5f15\uff1f<\/h2>\n<ul>\n<li><strong>\u4e3b\u9375\u7d22\u5f15\uff1a<\/strong>\u552f\u4e00\u6a19\u8b58\u6bcf\u4e00\u884c\u6578\u64da\u3002<\/li>\n<li><strong>\u552f\u4e00\u7d22\u5f15\uff1a<\/strong>\u78ba\u4fdd\u7d22\u5f15\u5217\u7684\u503c\u552f\u4e00\u3002<\/li>\n<li><strong>\u666e\u901a\u7d22\u5f15\uff1a<\/strong>\u4e0d\u5f37\u5236\u552f\u4e00\u6027\u3002<\/li>\n<li><strong>\u5168\u6587\u7d22\u5f15\uff1a<\/strong>\u7528\u65bc\u5feb\u901f\u67e5\u8a62\u6587\u672c\u6578\u64da\u3002<\/li>\n<li><strong>\u8907\u5408\u7d22\u5f15\uff1a<\/strong>\u7531\u591a\u500b\u5217\u7d44\u6210\u7684\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95%ef%bc%9f-BfSMjKxKla\">4. \u5982\u4f55\u5275\u5efa\u7d22\u5f15\uff1f<\/h2>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n<pre><code>CREATE INDEX index_name ON table_name (column_name);<\/code><\/pre>\n<h2 id=\"5-%e7%b4%a2%e5%bc%95%e6%9c%83%e5%bd%b1%e9%9f%bf%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e6%80%a7%e8%83%bd%e5%97%8e%ef%bc%9f-BfSMjKxKla\">5. \u7d22\u5f15\u6703\u5f71\u97ff\u6578\u64da\u63d2\u5165\u6027\u80fd\u55ce\uff1f<\/h2>\n<p>\u662f\u7684\uff0c\u7d22\u5f15\u6703\u589e\u52a0\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\u7684\u958b\u92b7\uff0c\u56e0\u70ba\u6bcf\u6b21\u6578\u64da\u8b8a\u66f4\u6642\uff0c\u7d22\u5f15\u4e5f\u9700\u8981\u66f4\u65b0\u3002<\/p>\n<h2 id=\"6-%e5%a6%82%e4%bd%95%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e7%b4%a2%e5%bc%95%ef%bc%9f-BfSMjKxKla\">6. \u5982\u4f55\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\uff1f<\/h2>\n<p>\u9078\u64c7\u7d22\u5f15\u6642\uff0c\u61c9\u8003\u616e\u67e5\u8a62\u7684\u983b\u7387\u548c\u985e\u578b\u3002\u5c0d\u65bc\u7d93\u5e38\u67e5\u8a62\u7684\u5217\uff0c\u61c9\u8003\u616e\u5275\u5efa\u7d22\u5f15\uff0c\u800c\u5c0d\u65bc\u4e0d\u5e38\u7528\u7684\u5217\u5247\u53ef\u4ee5\u4e0d\u5275\u5efa\u7d22\u5f15\u3002<\/p>\n<h2 id=\"7-%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e7%8f%be%e6%9c%89%e7%b4%a2%e5%bc%95%ef%bc%9f-BfSMjKxKla\">7. \u5982\u4f55\u67e5\u770b\u73fe\u6709\u7d22\u5f15\uff1f<\/h2>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u67e5\u770b\u8868\u7684\u7d22\u5f15\uff1a<\/p>\n<pre><code>SHOW INDEX FROM table_name;<\/code><\/pre>\n<h2 id=\"8-%e5%a6%82%e4%bd%95%e5%88%aa%e9%99%a4%e7%b4%a2%e5%bc%95%ef%bc%9f-BfSMjKxKla\">8. \u5982\u4f55\u522a\u9664\u7d22\u5f15\uff1f<\/h2>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u522a\u9664\u7d22\u5f15\uff1a<\/p>\n<pre><code>DROP INDEX index_name ON table_name;<\/code><\/pre>\n<h2 id=\"9-%e7%b4%a2%e5%bc%95%e7%9a%84%e5%a4%a7%e5%b0%8f%e6%9c%83%e5%bd%b1%e9%9f%bf%e6%80%a7%e8%83%bd%e5%97%8e%ef%bc%9f-BfSMjKxKla\">9. \u7d22\u5f15\u7684\u5927\u5c0f\u6703\u5f71\u97ff\u6027\u80fd\u55ce\uff1f<\/h2>\n<p>\u662f\u7684\uff0c\u7d22\u5f15\u7684\u5927\u5c0f\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002\u904e\u5927\u7684\u7d22\u5f15\u6703\u5c0e\u81f4\u67e5\u8a62\u901f\u5ea6\u8b8a\u6162\uff0c\u56e0\u6b64\u61c9\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u7d22\u5f15\u3002<\/p>\n<h2 id=\"10-mysql%e6%94%af%e6%8c%81%e5%93%aa%e4%ba%9b%e7%b4%a2%e5%bc%95%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%9f%a5%e8%a9%a2%ef%bc%9f-BfSMjKxKla\">10. MySQL\u652f\u6301\u54ea\u4e9b\u7d22\u5f15\u985e\u578b\u7684\u67e5\u8a62\uff1f<\/h2>\n<p>MySQL\u652f\u6301\u591a\u7a2e\u67e5\u8a62\uff0c\u5305\u62ec\u7b49\u503c\u67e5\u8a62\u3001\u7bc4\u570d\u67e5\u8a62\u548c\u524d\u7db4\u67e5\u8a62\u7b49\uff0c\u9019\u4e9b\u67e5\u8a62\u90fd\u53ef\u4ee5\u5229\u7528\u7d22\u5f15\u4f86\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2 id=\"11-%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96%e7%b4%a2%e5%bc%95%ef%bc%9f-BfSMjKxKla\">11. \u5982\u4f55\u512a\u5316\u7d22\u5f15\uff1f<\/h2>\n<p>\u512a\u5316\u7d22\u5f15\u7684\u65b9\u6cd5\u5305\u62ec\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u3001\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\u4ee5\u53ca\u4f7f\u7528\u8907\u5408\u7d22\u5f15\u4f86\u6e1b\u5c11\u7d22\u5f15\u7684\u6578\u91cf\u3002<\/p>\n<h2 id=\"12-%e7%b4%a2%e5%bc%95%e7%9a%84%e9%81%b8%e6%93%87%e6%9c%83%e5%bd%b1%e9%9f%bf%e6%9f%a5%e8%a9%a2%e8%a8%88%e5%8a%83%e5%97%8e%ef%bc%9f-BfSMjKxKla\">12. \u7d22\u5f15\u7684\u9078\u64c7\u6703\u5f71\u97ff\u67e5\u8a62\u8a08\u5283\u55ce\uff1f<\/h2>\n<p>\u662f\u7684\uff0c\u7d22\u5f15\u7684\u9078\u64c7\u6703\u5f71\u97ff\u67e5\u8a62\u8a08\u5283\uff0cMySQL\u6703\u6839\u64da\u53ef\u7528\u7684\u7d22\u5f15\u4f86\u9078\u64c7\u6700\u4f73\u7684\u67e5\u8a62\u8def\u5f91\u3002<\/p>\n<h2 id=\"13-%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8explain%e5%91%bd%e4%bb%a4%e5%88%86%e6%9e%90%e6%9f%a5%e8%a9%a2%ef%bc%9f-BfSMjKxKla\">13. \u5982\u4f55\u4f7f\u7528EXPLAIN\u547d\u4ee4\u5206\u6790\u67e5\u8a62\uff1f<\/h2>\n<p>\u53ef\u4ee5\u4f7f\u7528EXPLAIN\u547d\u4ee4\u4f86\u5206\u6790\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u9019\u6709\u52a9\u65bc\u4e86\u89e3\u7d22\u5f15\u7684\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>EXPLAIN SELECT * FROM table_name WHERE column_name = 'value';<\/code><\/pre>\n<h2 id=\"14-%e7%b4%a2%e5%bc%95%e7%9a%84%e7%b6%ad%e8%ad%b7%e9%9c%80%e8%a6%81%e6%b3%a8%e6%84%8f%e4%bb%80%e9%ba%bc%ef%bc%9f-BfSMjKxKla\">14. \u7d22\u5f15\u7684\u7dad\u8b77\u9700\u8981\u6ce8\u610f\u4ec0\u9ebc\uff1f<\/h2>\n<p>\u5728\u7dad\u8b77\u7d22\u5f15\u6642\uff0c\u61c9\u5b9a\u671f\u6aa2\u67e5\u7d22\u5f15\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u522a\u9664\u4e0d\u518d\u4f7f\u7528\u7684\u7d22\u5f15\uff0c\u4e26\u8003\u616e\u91cd\u5efa\u7d22\u5f15\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2 id=\"15-mysql%e7%b4%a2%e5%bc%95%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90%e6%98%af%e4%bb%80%e9%ba%bc%ef%bc%9f-BfSMjKxKla\">15. MySQL\u7d22\u5f15\u7684\u6700\u4f73\u5be6\u8e10\u662f\u4ec0\u9ebc\uff1f<\/h2>\n<ul>\n<li>\u50c5\u70ba\u7d93\u5e38\u67e5\u8a62\u7684\u5217\u5275\u5efa\u7d22\u5f15\u3002<\/li>\n<li>\u907f\u514d\u904e\u591a\u7684\u7d22\u5f15\uff0c\u56e0\u70ba\u9019\u6703\u5f71\u97ff\u5beb\u5165\u6027\u80fd\u3002<\/li>\n<li>\u4f7f\u7528\u8907\u5408\u7d22\u5f15\u4f86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BfSMjKxKla\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u7d22\u5f15\u662f\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\u3002\u901a\u904e\u5408\u7406\u7684\u7d22\u5f15\u8a2d\u8a08\u548c\u7dad\u8b77\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6548\u7387\u3002\u4e86\u89e3\u7d22\u5f15\u7684\u57fa\u672c\u6982\u5ff5\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u5c0d\u65bc\u4efb\u4f55\u4f7f\u7528MySQL\u7684\u958b\u767c\u8005\u4f86\u8aaa\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MySQL\u7d22\u5f15\u768415\u500b\u95dc\u9375\u554f\u984c\uff0c\u63d0\u5347\u4f60\u7684\u6578\u64da\u5eab\u6027\u80fd\u8207\u67e5\u8a62\u6548\u7387\uff0c\u8b93\u4f60\u5728\u6578\u64da\u7ba1\u7406\u4e2d\u6e38\u5203\u6709\u9918\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-76772","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76772","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=76772"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76772\/revisions"}],"predecessor-version":[{"id":76773,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76772\/revisions\/76773"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}