{"id":77418,"date":"2024-10-16T10:44:19","date_gmt":"2024-10-16T02:44:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/77418\/"},"modified":"2024-10-16T10:44:19","modified_gmt":"2024-10-16T02:44:19","slug":"mysql%e5%84%aa%e5%8c%96%e6%8f%90%e9%ab%98%e5%a4%9a%e6%a2%9d%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%bf%94%e5%9b%9e%e9%80%9f%e5%ba%a6-mysql%e5%84%aa%e5%8c%96%e8%bf%94%e5%9b%9e%e5%a4%9a%e6%a2%9d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/77418\/","title":{"rendered":"MySQL\u512a\u5316\u63d0\u9ad8\u591a\u689d\u6578\u64da\u5eab\u7684\u8fd4\u56de\u901f\u5ea6 (mysql\u512a\u5316\u8fd4\u56de\u591a\u689d\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"mysql%e5%84%aa%e5%8c%96%e6%8f%90%e9%ab%98%e5%a4%9a%e6%a2%9d%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%bf%94%e5%9b%9e%e9%80%9f%e5%ba%a6-vIvGZAreRK\">MySQL\u512a\u5316\u63d0\u9ad8\u591a\u689d\u6578\u64da\u5eab\u7684\u8fd4\u56de\u901f\u5ea6<\/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\u6574\u9ad4\u6548\u7387\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\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u512a\u5316MySQL\u4ee5\u63d0\u9ad8\u591a\u689d\u6578\u64da\u5eab\u7684\u8fd4\u56de\u901f\u5ea6\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u9762\u81e8\u7684\u4e00\u500b\u91cd\u8981\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u6709\u6548\u7684MySQL\u512a\u5316\u7b56\u7565\uff0c\u5e6b\u52a9\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95-vIvGZAreRK\">1. \u4f7f\u7528\u7d22\u5f15<\/h2>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u7684\u95dc\u9375\u3002\u901a\u904e\u5728\u8868\u7684\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0cMySQL\u53ef\u4ee5\u66f4\u5feb\u5730\u67e5\u627e\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5275\u5efa\u7d22\u5f15\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u5c0d\u65bc\u7d93\u5e38\u7528\u65bc\u67e5\u8a62\u7684\u5217\uff0c\u7279\u5225\u662fWHERE\u5b50\u53e5\u4e2d\u7684\u5217\uff0c\u61c9\u8003\u616e\u5275\u5efa\u7d22\u5f15\u3002<\/li>\n<li>\u907f\u514d\u5728\u4f4e\u57fa\u6578\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u4f8b\u5982\u6027\u5225\u6216\u5e03\u723e\u503c\uff0c\u56e0\u70ba\u9019\u6a23\u7684\u7d22\u5f15\u53ef\u80fd\u4e0d\u6703\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li>\u4f7f\u7528\u8907\u5408\u7d22\u5f15\u4f86\u63d0\u9ad8\u591a\u5217\u67e5\u8a62\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n<pre><code>CREATE INDEX idx_name ON table_name (column1, column2);<\/code><\/pre>\n<h2 id=\"2-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-vIvGZAreRK\">2. \u512a\u5316\u67e5\u8a62\u8a9e\u53e5<\/h2>\n<p>\u67e5\u8a62\u8a9e\u53e5\u7684\u8a2d\u8a08\u5c0d\u6027\u80fd\u6709\u76f4\u63a5\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u6280\u5de7\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u4f7f\u7528SELECT *\uff0c\u800c\u662f\u9078\u64c7\u9700\u8981\u7684\u5217\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u91cf\u3002<\/li>\n<li>\u4f7f\u7528JOIN\u800c\u4e0d\u662f\u5b50\u67e5\u8a62\uff0c\u56e0\u70baJOIN\u901a\u5e38\u80fd\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u3002<\/li>\n<li>\u78ba\u4fddWHERE\u5b50\u53e5\u4e2d\u7684\u689d\u4ef6\u80fd\u5229\u7528\u7d22\u5f15\uff0c\u9019\u6a23\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<pre><code>SELECT column1, column2 FROM table_name WHERE condition;<\/code><\/pre>\n<h2 id=\"3-%e8%aa%bf%e6%95%b4mysql%e9%85%8d%e7%bd%ae-vIvGZAreRK\">3. \u8abf\u6574MySQL\u914d\u7f6e<\/h2>\n<p>MySQL\u7684\u914d\u7f6e\u53c3\u6578\u5c0d\u6027\u80fd\u6709\u5f88\u5927\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\u7684\u914d\u7f6e\u8abf\u6574\uff1a<\/p>\n<ul>\n<li>\u589e\u52a0innodb_buffer_pool_size\uff0c\u4ee5\u4fbf\u80fd\u5920\u5728\u5167\u5b58\u4e2d\u5b58\u5132\u66f4\u591a\u7684\u6578\u64da\uff0c\u5f9e\u800c\u6e1b\u5c11\u78c1\u789fI\/O\u3002<\/li>\n<li>\u8abf\u6574query_cache_size\uff0c\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u4f86\u8a2d\u7f6e\u67e5\u8a62\u7de9\u5b58\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u4f7f\u7528\u9069\u7576\u7684\u5b58\u5132\u5f15\u64ce\uff0c\u6839\u64da\u6578\u64da\u7684\u7279\u6027\u9078\u64c7InnoDB\u6216MyISAM\u7b49\u5b58\u5132\u5f15\u64ce\u3002<\/li>\n<\/ul>\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-vIvGZAreRK\">4. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h2>\n<p>\u5b9a\u671f\u7684\u6578\u64da\u5eab\u7dad\u8b77\u53ef\u4ee5\u5e6b\u52a9\u4fdd\u6301\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7dad\u8b77\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u57f7\u884cANALYZE TABLE\u548cOPTIMIZE TABLE\u547d\u4ee4\uff0c\u4ee5\u66f4\u65b0\u7d22\u5f15\u7d71\u8a08\u4fe1\u606f\u548c\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u3002<\/li>\n<li>\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u6e1b\u5c11\u8868\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u76e3\u63a7\u6162\u67e5\u8a62\u65e5\u8a8c\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u4e26\u9032\u884c\u512a\u5316\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=\"5-%e4%bd%bf%e7%94%a8%e5%88%86%e5%8d%80%e6%8a%80%e8%a1%93-vIvGZAreRK\">5. \u4f7f\u7528\u5206\u5340\u6280\u8853<\/h2>\n<p>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u8868\uff0c\u4f7f\u7528\u5206\u5340\u6280\u8853\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u901a\u904e\u5c07\u8868\u5206\u6210\u591a\u500b\u90e8\u5206\uff0cMySQL\u53ef\u4ee5\u66f4\u5feb\u5730\u5b9a\u4f4d\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u5206\u5340\u7684\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u6839\u64da\u67e5\u8a62\u6a21\u5f0f\u9078\u64c7\u5408\u9069\u7684\u5206\u5340\u9375\uff0c\u4f8b\u5982\u65e5\u671f\u6216\u5730\u7406\u4f4d\u7f6e\u3002<\/li>\n<li>\u78ba\u4fdd\u6bcf\u500b\u5206\u5340\u7684\u5927\u5c0f\u9069\u4e2d\uff0c\u4ee5\u907f\u514d\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<pre><code>CREATE TABLE table_name (\n    column1 INT,\n    column2 VARCHAR(100),\n    ...\n) PARTITION BY RANGE (YEAR(column1)) (\n    PARTITION p0 VALUES LESS THAN (2020),\n    PARTITION p1 VALUES LESS THAN (2021),\n    ...\n);<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vIvGZAreRK\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u5e7e\u7a2e\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u512a\u5316MySQL\u6578\u64da\u5eab\uff0c\u63d0\u9ad8\u591a\u689d\u6578\u64da\u5eab\u7684\u8fd4\u56de\u901f\u5ea6\u3002\u7121\u8ad6\u662f\u901a\u904e\u7d22\u5f15\u3001\u67e5\u8a62\u512a\u5316\u3001\u914d\u7f6e\u8abf\u6574\u9084\u662f\u5b9a\u671f\u7dad\u8b77\uff0c\u9019\u4e9b\u7b56\u7565\u90fd\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u5728\u6700\u4f73\u74b0\u5883\u4e2d\u904b\u884c\uff0c\u9032\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u5347MySQL\u6027\u80fd\uff0c\u512a\u5316\u591a\u689d\u6578\u64da\u5eab\u67e5\u8a62\u901f\u5ea6\uff0c\u78ba\u4fdd\u5feb\u901f\u8fd4\u56de\u6578\u64da\uff0c\u589e\u5f37\u61c9\u7528\u6548\u80fd\u8207\u7528\u6236\u9ad4\u9a57\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-77418","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77418","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=77418"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77418\/revisions"}],"predecessor-version":[{"id":77419,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77418\/revisions\/77419"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=77418"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=77418"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=77418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}