{"id":180954,"date":"2024-11-09T14:34:17","date_gmt":"2024-11-09T06:34:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180954\/"},"modified":"2024-11-09T14:34:18","modified_gmt":"2024-11-09T06:34:18","slug":"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3mysql%e7%b4%a2%e5%bc%95%e5%ba%95%e5%b1%a4%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180954\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3MySQL\u7d22\u5f15\u5e95\u5c64\u6578\u64da\u7d50\u69cb"},"content":{"rendered":"<h1 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id=\"b-tree%e7%9a%84%e6%9f%a5%e8%a9%a2%e9%81%8e%e7%a8%8b-gFuagXhIPT\">B-Tree\u7684\u67e5\u8a62\u904e\u7a0b<\/h3>\n<p>\u7576\u57f7\u884c\u67e5\u8a62\u6642\uff0cMySQL\u6703\u5f9e\u6839\u7bc0\u9ede\u958b\u59cb\uff0c\u6839\u64da\u67e5\u8a62\u689d\u4ef6\u9010\u5c64\u5411\u4e0b\u67e5\u627e\uff0c\u76f4\u5230\u627e\u5230\u76f8\u61c9\u7684\u8449\u5b50\u7bc0\u9ede\u3002\u9019\u4e00\u904e\u7a0b\u7684\u6642\u9593\u8907\u96dc\u5ea6\u70baO(log n)\uff0c\u5176\u4e2dn\u70ba\u7d22\u5f15\u4e2d\u7684\u9375\u503c\u6578\u91cf\u3002<\/p>\n<pre><code>SELECT * FROM users WHERE id = 1;<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u67e5\u8a62\u4e2d\uff0cMySQL\u6703\u5229\u7528B-Tree\u7d22\u5f15\u5feb\u901f\u5b9a\u4f4d\u5230id\u70ba1\u7684\u8a18\u9304\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 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