{"id":181680,"date":"2024-11-09T19:06:19","date_gmt":"2024-11-09T11:06:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181680\/"},"modified":"2024-11-09T19:06:20","modified_gmt":"2024-11-09T11:06:20","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%a9%b6mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%90%9c%e7%b4%a2%e5%bc%95%e6%93%8e%ef%bc%9a%e5%84%aa%e5%8c%96%e6%8a%80%e5%b7%a7%e8%88%87%e6%87%89%e7%94%a8%e6%8a%80%e8%a1%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181680\/","title":{"rendered":"\u6df1\u5165\u63a2\u7a76MySQL\u6578\u64da\u5eab\u641c\u7d22\u5f15\u64ce\uff1a\u512a\u5316\u6280\u5de7\u8207\u61c9\u7528\u6280\u8853\uff08mysql\u6578\u64da\u5eab\u641c\u7d22\u5f15\u64ce\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%a9%b6mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%90%9c%e7%b4%a2%e5%bc%95%e6%93%8e%ef%bc%9a%e5%84%aa%e5%8c%96%e6%8a%80%e5%b7%a7%e8%88%87%e6%87%89%e7%94%a8%e6%8a%80%e8%a1%93-OWVyGCUZWB\">\u6df1\u5165\u63a2\u7a76MySQL\u6578\u64da\u5eab\u641c\u7d22\u5f15\u64ce\uff1a\u512a\u5316\u6280\u5de7\u8207\u61c9\u7528\u6280\u8853<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u6578\u64da\u5eab\u7684\u641c\u7d22\u5f15\u64ce\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u512a\u5316\u6280\u5de7\u548c\u61c9\u7528\u6280\u8853\uff0c\u4ee5\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u6548\u7387\u548c\u6e96\u78ba\u6027\u3002<\/p>\n<h2 id=\"mysql%e7%9a%84%e6%90%9c%e7%b4%a2%e5%bc%95%e6%93%8e%e6%a6%82%e8%bf%b0-OWVyGCUZWB\">MySQL\u7684\u641c\u7d22\u5f15\u64ce\u6982\u8ff0<\/h2>\n<p>MySQL\u652f\u6301\u591a\u7a2e\u641c\u7d22\u5f15\u64ce\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662fInnoDB\u548cMyISAM\u3002\u9019\u5169\u7a2e\u5f15\u64ce\u5404\u6709\u512a\u7f3a\u9ede\uff0c\u9078\u64c7\u5408\u9069\u7684\u641c\u7d22\u5f15\u64ce\u5c0d\u65bc\u6578\u64da\u5eab\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>InnoDB\uff1a<\/strong>\u652f\u6301\u4e8b\u52d9\u8655\u7406\u548c\u884c\u7d1a\u9396\u5b9a\uff0c\u9069\u5408\u9700\u8981\u9ad8\u4e26\u767c\u548c\u6578\u64da\u5b8c\u6574\u6027\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>MyISAM\uff1a<\/strong>\u4e0d\u652f\u6301\u4e8b\u52d9\u8655\u7406\uff0c\u4f46\u5728\u8b80\u53d6\u64cd\u4f5c\u4e0a\u8868\u73fe\u512a\u7570\uff0c\u9069\u5408\u4ee5\u8b80\u53d6\u70ba\u4e3b\u7684\u61c9\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%84%aa%e5%8c%96mysql%e6%90%9c%e7%b4%a2%e6%80%a7%e8%83%bd%e7%9a%84%e6%8a%80%e5%b7%a7-OWVyGCUZWB\">\u512a\u5316MySQL\u641c\u7d22\u6027\u80fd\u7684\u6280\u5de7<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95-OWVyGCUZWB\">1. \u4f7f\u7528\u7d22\u5f15<\/h3>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u5728\u8868\u7684\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u67e5\u8a62\u6240\u9700\u7684\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u7d22\u5f15\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>CREATE INDEX index_name ON table_name (column_name);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5c0d\u65bc\u4e00\u500b\u7528\u6236\u8868\uff0c\u5982\u679c\u7d93\u5e38\u6839\u64da\u7528\u6236\u540d\u67e5\u8a62\uff0c\u53ef\u4ee5\u9019\u6a23\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n<pre><code>CREATE INDEX idx_username ON users (username);<\/code><\/pre>\n<h3 id=\"2-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-OWVyGCUZWB\">2. \u512a\u5316\u67e5\u8a62\u8a9e\u53e5<\/h3>\n<p>\u64b0\u5beb\u9ad8\u6548\u7684SQL\u67e5\u8a62\u8a9e\u53e5\u662f\u63d0\u9ad8\u6027\u80fd\u7684\u53e6\u4e00\u500b\u91cd\u8981\u65b9\u9762\u3002\u907f\u514d\u4f7f\u7528SELECT *\uff0c\u800c\u662f\u660e\u78ba\u6307\u5b9a\u9700\u8981\u7684\u5217\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u7684\u5927\u5c0f\u3002<\/p>\n<pre><code>SELECT username, email FROM users WHERE status = 'active';<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8explain%e5%88%86%e6%9e%90%e6%9f%a5%e8%a9%a2-OWVyGCUZWB\">3. \u4f7f\u7528EXPLAIN\u5206\u6790\u67e5\u8a62<\/h3>\n<p>\u4f7f\u7528EXPLAIN\u8a9e\u53e5\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u4e86\u89e3\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u5f9e\u800c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002\u901a\u904e\u5206\u6790EXPLAIN\u7684\u8f38\u51fa\uff0c\u53ef\u4ee5\u8abf\u6574\u7d22\u5f15\u6216\u67e5\u8a62\u7d50\u69cb\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<pre><code>EXPLAIN SELECT username FROM users WHERE status = 'active';<\/code><\/pre>\n<h3 id=\"4-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ba%ab-OWVyGCUZWB\">4. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h3>\n<p>\u5b9a\u671f\u57f7\u884cOPTIMIZE TABLE\u547d\u4ee4\u53ef\u4ee5\u91cd\u5efa\u8868\u4e26\u6e05\u7406\u788e\u7247\uff0c\u9019\u6709\u52a9\u65bc\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<pre><code>OPTIMIZE TABLE users;<\/code><\/pre>\n<h2 id=\"mysql%e6%90%9c%e7%b4%a2%e5%bc%95%e6%93%8e%e7%9a%84%e6%87%89%e7%94%a8%e6%8a%80%e8%a1%93-OWVyGCUZWB\">MySQL\u641c\u7d22\u5f15\u64ce\u7684\u61c9\u7528\u6280\u8853<\/h2>\n<h3 id=\"1-%e5%85%a8%e6%96%87%e6%90%9c%e7%b4%a2-OWVyGCUZWB\">1. \u5168\u6587\u641c\u7d22<\/h3>\n<p>MySQL\u652f\u6301\u5168\u6587\u641c\u7d22\u529f\u80fd\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u5728\u5927\u91cf\u6587\u672c\u4e2d\u9032\u884c\u641c\u7d22\u7684\u61c9\u7528\u975e\u5e38\u6709\u7528\u3002\u53ef\u4ee5\u5728\u6587\u672c\u5217\u4e0a\u5275\u5efa\u5168\u6587\u7d22\u5f15\uff0c\u7136\u5f8c\u4f7f\u7528MATCH()\u548cAGAINST()\u51fd\u6578\u9032\u884c\u67e5\u8a62\u3002<\/p>\n<pre><code>ALTER TABLE articles ADD FULLTEXT(title, content);<\/code><\/pre>\n<pre><code>SELECT * FROM articles WHERE MATCH(title, content) AGAINST('MySQL');<\/code><\/pre>\n<h3 id=\"2-%e5%88%86%e5%8d%80%e8%a1%a8-OWVyGCUZWB\">2. \u5206\u5340\u8868<\/h3>\n<p>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u4f7f\u7528\u5206\u5340\u8868\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u901a\u904e\u5c07\u8868\u5206\u6210\u591a\u500b\u90e8\u5206\uff0c\u53ef\u4ee5\u66f4\u5feb\u5730\u6aa2\u7d22\u6578\u64da\u3002<\/p>\n<pre><code>CREATE TABLE sales (\n    id INT,\n    sale_date DATE,\n    amount DECIMAL(10,2)\n) PARTITION BY RANGE (YEAR(sale_date)) (\n    PARTITION p0 VALUES LESS THAN (2020),\n    PARTITION p1 VALUES LESS THAN (2021),\n    PARTITION p2 VALUES LESS THAN (2022)\n);<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OWVyGCUZWB\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u6578\u64da\u5eab\u7684\u641c\u7d22\u5f15\u64ce\u63d0\u4f9b\u4e86\u591a\u7a2e\u512a\u5316\u6280\u5de7\u548c\u61c9\u7528\u6280\u8853\uff0c\u9019\u4e9b\u65b9\u6cd5\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u6548\u7387\u548c\u6e96\u78ba\u6027\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u7d22\u5f15\u3001\u512a\u5316\u67e5\u8a62\u8a9e\u53e5\u3001\u5206\u6790\u67e5\u8a62\u8a08\u5283\u4ee5\u53ca\u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u5176\u61c9\u7528\u7a0b\u5e8f\u5728\u8655\u7406\u6578\u64da\u6642\u7684\u9ad8\u6548\u6027\u3002\u6b64\u5916\uff0c\u5229\u7528\u5168\u6587\u641c\u7d22\u548c\u5206\u5340\u8868\u7b49\u6280\u8853\uff0c\u80fd\u5920\u9032\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u904b\u884cMySQL\u6578\u64da\u5eab\u5c07\u662f\u660e\u667a\u4e4b\u8209\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u7a76MySQL\u6578\u64da\u5eab\u641c\u7d22\u5f15\u64ce\uff0c\u638c\u63e1\u512a\u5316\u6280\u5de7\u8207\u61c9\u7528\u6280\u8853\uff0c\u63d0\u5347\u6578\u64da\u6aa2\u7d22\u6548\u7387\u8207\u6027\u80fd\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-181680","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181680","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=181680"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181680\/revisions"}],"predecessor-version":[{"id":181681,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181680\/revisions\/181681"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=181680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=181680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=181680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}