{"id":76778,"date":"2024-10-16T09:51:16","date_gmt":"2024-10-16T01:51:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76778\/"},"modified":"2024-10-16T09:51:16","modified_gmt":"2024-10-16T01:51:16","slug":"mysql%e7%b4%a2%e5%bc%95%e7%9a%84%e4%b8%8d%e8%b6%b3%e8%88%87%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76778\/","title":{"rendered":"Mysql\u7d22\u5f15\u7684\u4e0d\u8db3\u8207\u6ce8\u610f\u4e8b\u9805"},"content":{"rendered":"

MySQL\u7d22\u5f15\u7684\u4e0d\u8db3\u8207\u6ce8\u610f\u4e8b\u9805<\/h1>\n

\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u7d22\u5f15\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u6280\u8853\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u7136\u800c\uff0cMySQL\u7d22\u5f15\u4e26\u975e\u842c\u80fd\uff0c\u4f7f\u7528\u4e0d\u7576\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u6216\u5176\u4ed6\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0eMySQL\u7d22\u5f15\u7684\u4e0d\u8db3\u4e4b\u8655\u53ca\u5176\u4f7f\u7528\u6642\u7684\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n

MySQL\u7d22\u5f15\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u65e8\u5728\u52a0\u901f\u8cc7\u6599\u5eab\u67e5\u8a62\u7684\u901f\u5ea6\u3002MySQL\u652f\u6301\u591a\u7a2e\u7d22\u5f15\u985e\u578b\uff0c\u5305\u62ecB-Tree\u7d22\u5f15\u3001\u54c8\u5e0c\u7d22\u5f15\u3001\u5168\u6587\u7d22\u5f15\u7b49\u3002\u900f\u904e\u7d22\u5f15\uff0c\u8cc7\u6599\u5eab\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u5230\u6240\u9700\u7684\u6578\u64da\uff0c\u800c\u7121\u9700\u5168\u8868\u6383\u63cf\u3002<\/p>\n

MySQL\u7d22\u5f15\u7684\u4e0d\u8db3\u4e4b\u8655<\/h2>\n

1. \u589e\u52a0\u5beb\u5165\u6210\u672c<\/h3>\n

\u96d6\u7136\u7d22\u5f15\u80fd\u52a0\u901f\u67e5\u8a62\uff0c\u4f46\u5b83\u5011\u4e5f\u6703\u589e\u52a0\u5beb\u5165\u64cd\u4f5c\u7684\u6210\u672c\u3002\u6bcf\u7576\u5c0d\u8868\u9032\u884c\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u64cd\u4f5c\u6642\uff0c\u76f8\u95dc\u7684\u7d22\u5f15\u4e5f\u5fc5\u9808\u88ab\u66f4\u65b0\u3002\u9019\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u7279\u5225\u662f\u5728\u9ad8\u983b\u5beb\u5165\u7684\u5834\u666f\u4e2d\u3002<\/p>\n

2. \u5360\u7528\u984d\u5916\u7684\u5b58\u5132\u7a7a\u9593<\/h3>\n

\u7d22\u5f15\u9700\u8981\u984d\u5916\u7684\u5b58\u5132\u7a7a\u9593\u3002\u5c0d\u65bc\u5927\u578b\u8cc7\u6599\u8868\uff0c\u7d22\u5f15\u7684\u5927\u5c0f\u53ef\u80fd\u6703\u975e\u5e38\u53ef\u89c0\uff0c\u9019\u6703\u5f71\u97ff\u6574\u9ad4\u7684\u5b58\u5132\u6210\u672c\u548c\u7ba1\u7406\u8907\u96dc\u6027\u3002<\/p>\n

3. \u4e0d\u9069\u5408\u6240\u6709\u67e5\u8a62<\/h3>\n

\u4e26\u975e\u6240\u6709\u67e5\u8a62\u90fd\u80fd\u5f9e\u7d22\u5f15\u4e2d\u53d7\u76ca\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u5c0f\u578b\u8cc7\u6599\u8868\uff0c\u4f7f\u7528\u7d22\u5f15\u53ef\u80fd\u4e0d\u6703\u5e36\u4f86\u660e\u986f\u7684\u6027\u80fd\u63d0\u5347\uff0c\u53cd\u800c\u53ef\u80fd\u56e0\u70ba\u7d22\u5f15\u7684\u958b\u92b7\u800c\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u6b64\u5916\uff0c\u5c0d\u65bc\u67d0\u4e9b\u8907\u96dc\u7684\u67e5\u8a62\uff0c\u7d22\u5f15\u53ef\u80fd\u7121\u6cd5\u6709\u6548\u5730\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n

4. \u7d22\u5f15\u5931\u6548\u7684\u60c5\u6cc1<\/h3>\n

\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u5931\u6548\u3002\u4f8b\u5982\uff0c\u7576\u4f7f\u7528\u4e86\u4e0d\u7b49\u65bc\uff08\uff09\u3001LIKE\u958b\u982d\u7684\u67e5\u8a62\u6216\u662f\u5c0d\u67d0\u4e9b\u51fd\u6578\u9032\u884c\u64cd\u4f5c\u6642\uff0c\u7d22\u5f15\u53ef\u80fd\u7121\u6cd5\u88ab\u4f7f\u7528\u3002\u9019\u6703\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u5927\u5e45\u4e0b\u964d\u3002<\/p>\n

\u4f7f\u7528MySQL\u7d22\u5f15\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n

1. \u9069\u7576\u9078\u64c7\u7d22\u5f15\u985e\u578b<\/h3>\n

\u6839\u64da\u67e5\u8a62\u7684\u7279\u6027\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u9700\u8981\u9032\u884c\u7bc4\u570d\u67e5\u8a62\u7684\u60c5\u6cc1\uff0cB-Tree\u7d22\u5f15\u662f\u8f03\u597d\u7684\u9078\u64c7\uff1b\u800c\u5c0d\u65bc\u7cbe\u78ba\u67e5\u8a62\uff0c\u54c8\u5e0c\u7d22\u5f15\u53ef\u80fd\u66f4\u70ba\u9ad8\u6548\u3002<\/p>\n

2. \u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u7d22\u5f15<\/h3>\n

\u96a8\u8457\u8cc7\u6599\u7684\u589e\u9577\u548c\u67e5\u8a62\u6a21\u5f0f\u7684\u8b8a\u5316\uff0c\u539f\u6709\u7684\u7d22\u5f15\u53ef\u80fd\u4e0d\u518d\u9069\u7528\u3002\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u7d22\u5f15\u53ef\u4ee5\u5e6b\u52a9\u4fdd\u6301\u67e5\u8a62\u6027\u80fd\u3002\u53ef\u4ee5\u4f7f\u7528MySQL\u7684EXPLAIN\u8a9e\u53e5\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u78ba\u5b9a\u7d22\u5f15\u7684\u4f7f\u7528\u60c5\u6cc1\u3002<\/p>\n

3. \u907f\u514d\u904e\u5ea6\u7d22\u5f15<\/h3>\n

\u904e\u591a\u7684\u7d22\u5f15\u6703\u5c0e\u81f4\u5beb\u5165\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u6b64\u61c9\u8a72\u6839\u64da\u5be6\u969b\u9700\u6c42\u4f86\u8a2d\u8a08\u7d22\u5f15\u3002\u4e00\u822c\u4f86\u8aaa\uff0c\u61c9\u8a72\u512a\u5148\u8003\u616e\u90a3\u4e9b\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u7d22\u5f15\uff0c\u800c\u4e0d\u662f\u76f2\u76ee\u589e\u52a0\u7d22\u5f15\u6578\u91cf\u3002<\/p>\n

4. \u8003\u616e\u4f7f\u7528\u8907\u5408\u7d22\u5f15<\/h3>\n

\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u8907\u5408\u7d22\u5f15\uff08\u5373\u5728\u540c\u4e00\u500b\u7d22\u5f15\u4e2d\u5305\u542b\u591a\u500b\u5217\uff09\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u9019\u7279\u5225\u9069\u7528\u65bc\u9700\u8981\u540c\u6642\u67e5\u8a62\u591a\u500b\u5217\u7684\u60c5\u6cc1\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

MySQL\u7d22\u5f15\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u4f46\u5176\u4e0d\u8db3\u4e4b\u8655\u4e5f\u4e0d\u5bb9\u5ffd\u8996\u3002\u5728\u4f7f\u7528\u7d22\u5f15\u6642\uff0c\u61c9\u8a72\u8003\u616e\u5230\u5beb\u5165\u6210\u672c\u3001\u5b58\u5132\u7a7a\u9593\u3001\u67e5\u8a62\u7279\u6027\u7b49\u56e0\u7d20\uff0c\u4ee5\u4fbf\u505a\u51fa\u6700\u4f73\u7684\u8a2d\u8a08\u6c7a\u7b56\u3002\u900f\u904e\u9069\u7576\u7684\u7d22\u5f15\u7ba1\u7406\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u8cc7\u6599\u5eab\u7684\u6027\u80fd\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n

\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u9999\u6e2fVPS<\/a><\/code>\u53ca\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e86\u89e3MySQL\u7d22\u5f15\u7684\u4e0d\u8db3\u4e4b\u5904\u53ca\u6ce8\u610f\u4e8b\u9879\uff0c\u4f18\u5316\u6570\u636e\u5e93\u6027\u80fd\uff0c\u907f\u514d\u5e38\u89c1\u8bef\u533a\uff0c\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\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-76778","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76778","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=76778"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76778\/revisions"}],"predecessor-version":[{"id":76779,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76778\/revisions\/76779"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}