{"id":191204,"date":"2024-11-12T16:28:21","date_gmt":"2024-11-12T08:28:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/191204\/"},"modified":"2024-11-12T16:28:23","modified_gmt":"2024-11-12T08:28:23","slug":"%e8%a9%b3%e8%a7%a3mysql%e5%a4%a7%e8%a1%a8%e5%84%aa%e5%8c%96%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/191204\/","title":{"rendered":"\u8a73\u89e3MySQL\u5927\u8868\u512a\u5316\u65b9\u6848"},"content":{"rendered":"<h1 id=\"%e8%a9%b3%e8%a7%a3mysql%e5%a4%a7%e8%a1%a8%e5%84%aa%e5%8c%96%e6%96%b9%e6%a1%88-ksgDnFlvUG\">\u8a73\u89e3MySQL\u5927\u8868\u512a\u5316\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cMySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u512a\u5316\u5927\u8868\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u6709\u6548\u7684MySQL\u5927\u8868\u512a\u5316\u65b9\u6848\uff0c\u5e6b\u52a9\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u548c\u6578\u64da\u8655\u7406\u6548\u7387\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95-ksgDnFlvUG\">1. \u4f7f\u7528\u7d22\u5f15<\/h2>\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\u4e00\u4e9b\u7d22\u5f15\u7684\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u5217\uff1a<\/strong>\u5c0d\u65bc\u7d93\u5e38\u7528\u65bc\u67e5\u8a62\u7684\u5217\uff08\u5982\u4e3b\u9375\u3001\u5916\u9375\u548c\u7d93\u5e38\u7528\u65bc\u7be9\u9078\u7684\u5217\uff09\u5275\u5efa\u7d22\u5f15\u3002<\/li>\n<li><strong>\u907f\u514d\u904e\u591a\u7d22\u5f15\uff1a<\/strong>\u96d6\u7136\u7d22\u5f15\u53ef\u4ee5\u52a0\u901f\u67e5\u8a62\uff0c\u4f46\u904e\u591a\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u5beb\u5165\u6027\u80fd\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u9078\u64c7\u3002<\/li>\n<li><strong>\u4f7f\u7528\u8907\u5408\u7d22\u5f15\uff1a<\/strong>\u5c0d\u65bc\u591a\u500b\u5217\u7684\u67e5\u8a62\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u8907\u5408\u7d22\u5f15\u4f86\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<pre><code>CREATE INDEX idx_column_name ON table_name (column_name);<\/code><\/pre>\n<h2 id=\"2-%e5%88%86%e5%8d%80%e8%a1%a8-ksgDnFlvUG\">2. \u5206\u5340\u8868<\/h2>\n<p>\u7576\u8868\u7684\u6578\u64da\u91cf\u975e\u5e38\u9f90\u5927\u6642\uff0c\u5206\u5340\u8868\u662f\u4e00\u7a2e\u6709\u6548\u7684\u512a\u5316\u65b9\u6848\u3002\u5206\u5340\u53ef\u4ee5\u5c07\u5927\u8868\u5206\u6210\u591a\u500b\u5c0f\u8868\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u548c\u7ba1\u7406\u6548\u7387\u3002MySQL\u652f\u6301\u591a\u7a2e\u5206\u5340\u65b9\u5f0f\uff0c\u5305\u62ec\u7bc4\u570d\u5206\u5340\u3001\u5217\u8868\u5206\u5340\u548c\u54c8\u5e0c\u5206\u5340\u7b49\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u570d\u5206\u5340\uff1a<\/strong>\u6839\u64da\u67d0\u500b\u5217\u7684\u503c\u7bc4\u570d\u4f86\u5283\u5206\u6578\u64da\u3002<\/li>\n<li><strong>\u5217\u8868\u5206\u5340\uff1a<\/strong>\u6839\u64da\u67d0\u500b\u5217\u7684\u5177\u9ad4\u503c\u4f86\u5283\u5206\u6578\u64da\u3002<\/li>\n<li><strong>\u54c8\u5e0c\u5206\u5340\uff1a<\/strong>\u6839\u64da\u67d0\u500b\u5217\u7684\u54c8\u5e0c\u503c\u4f86\u5283\u5206\u6578\u64da\u3002<\/li>\n<\/ul>\n<pre><code>CREATE TABLE table_name (\n    id INT,\n    name VARCHAR(100),\n    created_at DATE\n) PARTITION BY RANGE (YEAR(created_at)) (\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=\"3-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-ksgDnFlvUG\">3. \u512a\u5316\u67e5\u8a62\u8a9e\u53e5<\/h2>\n<p>\u67e5\u8a62\u8a9e\u53e5\u7684\u512a\u5316\u5c0d\u65bc\u63d0\u9ad8\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u907f\u514dSELECT *\uff1a<\/strong>\u53ea\u9078\u64c7\u9700\u8981\u7684\u5217\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u91cf\u3002<\/li>\n<li><strong>\u4f7f\u7528JOIN\u800c\u975e\u5b50\u67e5\u8a62\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528JOIN\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u4f7f\u7528LIMIT\u9650\u5236\u7d50\u679c\u96c6\uff1a<\/strong>\u5728\u4e0d\u9700\u8981\u5168\u90e8\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528LIMIT\u53ef\u4ee5\u6e1b\u5c11\u67e5\u8a62\u6642\u9593\u3002<\/li>\n<\/ul>\n<pre><code>SELECT name FROM table_name WHERE id = 1 LIMIT 1;<\/code><\/pre>\n<h2 id=\"4-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ba%ab-ksgDnFlvUG\">4. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h2>\n<p>\u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab\u662f\u78ba\u4fdd\u5176\u6027\u80fd\u7684\u53e6\u4e00\u500b\u91cd\u8981\u65b9\u9762\u3002\u9019\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u6790\u548c\u512a\u5316\u8868\uff1a<\/strong>\u4f7f\u7528ANALYZE TABLE\u548cOPTIMIZE TABLE\u547d\u4ee4\u4f86\u5206\u6790\u548c\u512a\u5316\u8868\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u6e05\u7406\u904e\u671f\u6578\u64da\uff1a<\/strong>\u5b9a\u671f\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u4ee5\u6e1b\u5c11\u8868\u7684\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<pre><code>ANALYZE TABLE table_name;<\/code><\/pre>\n<pre><code>OPTIMIZE TABLE table_name;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ksgDnFlvUG\">\u7e3d\u7d50<\/h2>\n<p>\u512a\u5316MySQL\u5927\u8868\u662f\u4e00\u500b\u591a\u65b9\u9762\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u7d22\u5f15\u7684\u4f7f\u7528\u3001\u5206\u5340\u8868\u7684\u8a2d\u8a08\u3001\u67e5\u8a62\u8a9e\u53e5\u7684\u512a\u5316\u4ee5\u53ca\u5b9a\u671f\u7684\u6578\u64da\u5eab\u7dad\u8b77\u3002\u901a\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u9700\u6c42\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eMySQL\u5927\u8868\u512a\u5316\u65b9\u6848\uff0c\u63d0\u4f9b\u5be6\u7528\u6280\u5de7\u8207\u7b56\u7565\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u78ba\u4fdd\u9ad8\u6548\u67e5\u8a62\u8207\u7ba1\u7406\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-191204","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/191204","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=191204"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/191204\/revisions"}],"predecessor-version":[{"id":191205,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/191204\/revisions\/191205"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=191204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=191204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=191204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}