{"id":61775,"date":"2024-10-13T13:37:16","date_gmt":"2024-10-13T05:37:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61775\/"},"modified":"2024-10-13T13:37:17","modified_gmt":"2024-10-13T05:37:17","slug":"innodb-b-tree%e7%b4%a2%e5%bc%95%e6%80%8e%e9%ba%bc%e5%ae%9a%e4%bd%8d%e4%b8%80%e6%a2%9d%e8%a8%98%e9%8c%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61775\/","title":{"rendered":"InnoDB B-TREE\u7d22\u5f15\u600e\u9ebc\u5b9a\u4f4d\u4e00\u689d\u8a18\u9304\uff1f"},"content":{"rendered":"<h1 id=\"innodb-b-tree%e7%b4%a2%e5%bc%95%e6%80%8e%e9%ba%bc%e5%ae%9a%e4%bd%8d%e4%b8%80%e6%a2%9d%e8%a8%98%e9%8c%84%ef%bc%9f-HKDkcEgJJQ\">InnoDB B-TREE\u7d22\u5f15\u600e\u9ebc\u5b9a\u4f4d\u4e00\u689d\u8a18\u9304\uff1f<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u7d22\u5f15\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u6578\u64da\u7d50\u69cb\uff0c\u7528\u65bc\u52a0\u901f\u67e5\u8a62\u64cd\u4f5c\u3002MySQL\u7684InnoDB\u5b58\u5132\u5f15\u64ce\u4f7f\u7528B-TREE\u7d22\u5f15\u4f86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eInnoDB B-TREE\u7d22\u5f15\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u7279\u5225\u662f\u5982\u4f55\u5b9a\u4f4d\u4e00\u689d\u8a18\u9304\u3002<\/p>\n<h2 id=\"b-tree%e7%b4%a2%e5%bc%95%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%b5%90%e6%a7%8b-HKDkcEgJJQ\">B-TREE\u7d22\u5f15\u7684\u57fa\u672c\u7d50\u69cb<\/h2>\n<p>B-TREE\uff08\u5e73\u8861\u6a39\uff09\u662f\u4e00\u7a2e\u81ea\u5e73\u8861\u7684\u6a39\u5f62\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u4fdd\u6301\u6578\u64da\u6709\u5e8f\u4e26\u652f\u6301\u9ad8\u6548\u7684\u63d2\u5165\u3001\u522a\u9664\u548c\u67e5\u8a62\u64cd\u4f5c\u3002InnoDB\u7684B-TREE\u7d22\u5f15\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u6839\u7bc0\u9ede\uff1a<\/strong>\u6a39\u7684\u9802\u90e8\u7bc0\u9ede\uff0c\u5305\u542b\u6307\u5411\u5b50\u7bc0\u9ede\u7684\u6307\u91dd\u3002<\/li>\n<li><strong>\u5167\u90e8\u7bc0\u9ede\uff1a<\/strong>\u5305\u542b\u6307\u5411\u5b50\u7bc0\u9ede\u7684\u6307\u91dd\u548c\u9375\u503c\uff0c\u7528\u65bc\u5c0e\u822a\u6a39\u7684\u7d50\u69cb\u3002<\/li>\n<li><strong>\u8449\u5b50\u7bc0\u9ede\uff1a<\/strong>\u5305\u542b\u5be6\u969b\u7684\u6578\u64da\u884c\u6216\u6307\u5411\u6578\u64da\u884c\u7684\u6307\u91dd\u3002<\/li>\n<\/ul>\n<p>\u6bcf\u500b\u7bc0\u9ede\u53ef\u4ee5\u5305\u542b\u591a\u500b\u9375\u503c\uff0c\u4e26\u4e14\u6240\u6709\u7684\u9375\u503c\u90fd\u662f\u6709\u5e8f\u7684\uff0c\u9019\u4f7f\u5f97\u67e5\u8a62\u64cd\u4f5c\u80fd\u5920\u5728\u5c0d\u6578\u6642\u9593\u5167\u5b8c\u6210\u3002<\/p>\n<h2 id=\"%e5%ae%9a%e4%bd%8d%e8%a8%98%e9%8c%84%e7%9a%84%e9%81%8e%e7%a8%8b-HKDkcEgJJQ\">\u5b9a\u4f4d\u8a18\u9304\u7684\u904e\u7a0b<\/h2>\n<p>\u7576\u57f7\u884c\u67e5\u8a62\u6642\uff0cInnoDB\u6703\u901a\u904eB-TREE\u7d22\u5f15\u4f86\u5b9a\u4f4d\u7279\u5b9a\u7684\u8a18\u9304\u3002\u4ee5\u4e0b\u662f\u5b9a\u4f4d\u8a18\u9304\u7684\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%9f%a5%e6%89%be%e6%a0%b9%e7%af%80%e9%bb%9e-HKDkcEgJJQ\">1. \u67e5\u627e\u6839\u7bc0\u9ede<\/h3>\n<p>\u67e5\u8a62\u958b\u59cb\u65bc\u6839\u7bc0\u9ede\u3002\u6839\u7bc0\u9ede\u5305\u542b\u6307\u5411\u5167\u90e8\u7bc0\u9ede\u7684\u6307\u91dd\uff0c\u4e26\u4e14\u6839\u64da\u67e5\u8a62\u7684\u9375\u503c\uff0cInnoDB\u6703\u9078\u64c7\u5408\u9069\u7684\u6307\u91dd\u9032\u5165\u4e0b\u4e00\u5c64\u3002<\/p>\n<h3 id=\"2-%e9%81%9e%e8%bf%b4%e6%9f%a5%e6%89%be%e5%85%a7%e9%83%a8%e7%af%80%e9%bb%9e-HKDkcEgJJQ\">2. \u905e\u8ff4\u67e5\u627e\u5167\u90e8\u7bc0\u9ede<\/h3>\n<p>\u5728\u6bcf\u4e00\u5c64\u5167\u90e8\u7bc0\u9ede\u4e2d\uff0cInnoDB\u6703\u6bd4\u8f03\u67e5\u8a62\u7684\u9375\u503c\u8207\u7bc0\u9ede\u4e2d\u7684\u9375\u503c\u3002\u6839\u64da\u6bd4\u8f03\u7d50\u679c\uff0c\u9078\u64c7\u76f8\u61c9\u7684\u5b50\u6307\u91dd\u9032\u5165\u4e0b\u4e00\u5c64\u3002\u9019\u500b\u904e\u7a0b\u6703\u6301\u7e8c\u9032\u884c\uff0c\u76f4\u5230\u5230\u9054\u8449\u5b50\u7bc0\u9ede\u3002<\/p>\n<h3 id=\"3-%e8%a8%aa%e5%95%8f%e8%91%89%e5%ad%90%e7%af%80%e9%bb%9e-HKDkcEgJJQ\">3. \u8a2a\u554f\u8449\u5b50\u7bc0\u9ede<\/h3>\n<p>\u7576\u5230\u9054\u8449\u5b50\u7bc0\u9ede\u6642\uff0c\u8a72\u7bc0\u9ede\u5c07\u5305\u542b\u6307\u5411\u5be6\u969b\u6578\u64da\u884c\u7684\u6307\u91dd\u3002InnoDB\u6703\u4f7f\u7528\u9019\u4e9b\u6307\u91dd\u4f86\u6aa2\u7d22\u6240\u9700\u7684\u8a18\u9304\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-HKDkcEgJJQ\">\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6709\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u8868\uff0c\u4e26\u4e14\u5728\u201cusername\u201d\u5217\u4e0a\u5efa\u7acb\u4e86B-TREE\u7d22\u5f15\u3002\u7576\u57f7\u884c\u4ee5\u4e0b\u67e5\u8a62\u6642\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE username = 'john_doe';<\/code><\/pre>\n<p>InnoDB\u5c07\u9996\u5148\u67e5\u627e\u6839\u7bc0\u9ede\uff0c\u7136\u5f8c\u6839\u64da\u201cjohn_doe\u201d\u7684\u9375\u503c\u905e\u8ff4\u67e5\u627e\u5167\u90e8\u7bc0\u9ede\uff0c\u6700\u7d42\u5230\u9054\u8449\u5b50\u7bc0\u9ede\uff0c\u4e26\u7372\u53d6\u6307\u5411\u201cjohn_doe\u201d\u8a18\u9304\u7684\u6307\u91dd\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-HKDkcEgJJQ\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u4f7f\u7528B-TREE\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u4f46\u4e5f\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u7d22\u5f15\u7684\u7dad\u8b77\u6210\u672c\uff1a\u6bcf\u6b21\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u64cd\u4f5c\u90fd\u9700\u8981\u66f4\u65b0\u7d22\u5f15\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li>\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u5217\uff1a\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\u6703\u589e\u52a0\u5b58\u5132\u7a7a\u9593\u548c\u7dad\u8b77\u6210\u672c\u3002<\/li>\n<li>\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\uff1a\u96a8\u8457\u6578\u64da\u7684\u8b8a\u5316\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u5e73\u8861\uff0c\u5b9a\u671f\u91cd\u5efa\u53ef\u4ee5\u4fdd\u6301\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HKDkcEgJJQ\">\u7e3d\u7d50<\/h2>\n<p>InnoDB B-TREE\u7d22\u5f15\u901a\u904e\u5176\u9ad8\u6548\u7684\u7d50\u69cb\u548c\u67e5\u627e\u904e\u7a0b\uff0c\u80fd\u5920\u5feb\u901f\u5b9a\u4f4d\u8a18\u9304\u3002\u4e86\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u4e0d\u50c5\u6709\u52a9\u65bc\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff0c\u9084\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u53d6\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u7b56\u7565\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3InnoDB B-TREE\u7d22\u5f15\u5982\u4f55\u9ad8\u6548\u5b9a\u4f4d\u8a18\u9304\uff0c\u63a2\u7d22\u5176\u7d50\u69cb\u8207\u67e5\u8a62\u904e\u7a0b\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61775","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61775","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=61775"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61775\/revisions"}],"predecessor-version":[{"id":61776,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61775\/revisions\/61776"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}