{"id":171603,"date":"2024-11-07T04:07:20","date_gmt":"2024-11-06T20:07:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171603\/"},"modified":"2024-11-07T04:07:20","modified_gmt":"2024-11-06T20:07:20","slug":"%e9%9d%92%e9%8a%85%e5%88%b0%e7%8e%8b%e8%80%85%ef%bc%8c%e5%bf%ab%e9%80%9f%e6%8f%90%e5%8d%87%e4%bd%a0mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%ae%b5%e4%bd%8d%ef%bc%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171603\/","title":{"rendered":"\u9752\u9285\u5230\u738b\u8005\uff0c\u5feb\u901f\u63d0\u5347\u4f60MySQL\u6578\u64da\u5eab\u7684\u6bb5\u4f4d\uff01"},"content":{"rendered":"<h1 id=\"%e9%9d%92%e9%8a%85%e5%88%b0%e7%8e%8b%e8%80%85%ef%bc%8c%e5%bf%ab%e9%80%9f%e6%8f%90%e5%8d%87%e4%bd%a0mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%ae%b5%e4%bd%8d%ef%bc%81-rGszOquBfY\">\u9752\u9285\u5230\u738b\u8005\uff0c\u5feb\u901f\u63d0\u5347\u4f60MySQL\u6578\u64da\u5eab\u7684\u6bb5\u4f4d\uff01<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cMySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u548c\u7db2\u7ad9\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0cMySQL\u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002\u7136\u800c\uff0c\u8a31\u591a\u7528\u6236\u5728\u4f7f\u7528MySQL\u6642\uff0c\u53ef\u80fd\u6703\u9762\u81e8\u6027\u80fd\u74f6\u9838\u548c\u6578\u64da\u7ba1\u7406\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u63d0\u5347MySQL\u6578\u64da\u5eab\u6027\u80fd\u7684\u6280\u5de7\uff0c\u5e6b\u52a9\u4f60\u5f9e\u9752\u9285\u6bb5\u4f4d\u8fc5\u901f\u5347\u7d1a\u5230\u738b\u8005\u6bb5\u4f4d\u3002<\/p>\n<h2 id=\"1-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-rGszOquBfY\">1. \u512a\u5316\u67e5\u8a62\u8a9e\u53e5<\/h2>\n<p>\u67e5\u8a62\u8a9e\u53e5\u7684\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u5230\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u4f7f\u7528\u4e0d\u7576\u7684\u67e5\u8a62\u8a9e\u53e5\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5eab\u6027\u80fd\u4e0b\u964d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u78ba\u4fdd\u5728\u7d93\u5e38\u7528\u65bc\u67e5\u8a62\u7684\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\u3002<\/li>\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\u7684\u5927\u5c0f\u3002<\/li>\n<li><strong>\u4f7f\u7528JOIN\u800c\u975e\u5b50\u67e5\u8a62\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0cJOIN\u64cd\u4f5c\u6bd4\u5b50\u67e5\u8a62\u66f4\u9ad8\u6548\u3002<\/li>\n<\/ul>\n<pre><code>SELECT name, age FROM users WHERE age &gt; 18;<\/code><\/pre>\n<h2 id=\"2-%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae-rGszOquBfY\">2. \u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e<\/h2>\n<p>MySQL\u7684\u9ed8\u8a8d\u914d\u7f6e\u53ef\u80fd\u4e0d\u9069\u5408\u6240\u6709\u61c9\u7528\u5834\u666f\u3002\u6839\u64da\u4f60\u7684\u5177\u9ad4\u9700\u6c42\u8abf\u6574\u914d\u7f6e\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u914d\u7f6e\u9805\u76ee\uff1a<\/p>\n<ul>\n<li><strong>innodb_buffer_pool_size\uff1a<\/strong>\u9019\u500b\u53c3\u6578\u6c7a\u5b9a\u4e86InnoDB\u5b58\u5132\u5f15\u64ce\u7528\u65bc\u7de9\u5b58\u6578\u64da\u548c\u7d22\u5f15\u7684\u5167\u5b58\u5927\u5c0f\u3002\u901a\u5e38\u5efa\u8b70\u8a2d\u7f6e\u70ba\u53ef\u7528\u5167\u5b58\u768470-80%\u3002<\/li>\n<li><strong>max_connections\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u7684\u9700\u6c42\u8abf\u6574\u6700\u5927\u9023\u63a5\u6578\uff0c\u4ee5\u907f\u514d\u9023\u63a5\u904e\u591a\u5c0e\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>query_cache_size\uff1a<\/strong>\u555f\u7528\u67e5\u8a62\u7de9\u5b58\u53ef\u4ee5\u63d0\u9ad8\u91cd\u8907\u67e5\u8a62\u7684\u6027\u80fd\uff0c\u4f46\u5728\u9ad8\u5beb\u5165\u8ca0\u8f09\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ba%ab-rGszOquBfY\">3. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h2>\n<p>\u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab\u662f\u4fdd\u6301\u5176\u6027\u80fd\u7684\u95dc\u9375\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7dad\u8b77\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\uff1a<\/strong>\u5b9a\u671f\u522a\u9664\u904e\u671f\u6216\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002<\/li>\n<li><strong>\u91cd\u5efa\u7d22\u5f15\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u5920\u9ad8\u6548\u3002\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u76e3\u63a7\u6027\u80fd\uff1a<\/strong>\u4f7f\u7528\u5de5\u5177\u5982MySQL Workbench\u6216\u5176\u4ed6\u76e3\u63a7\u5de5\u5177\uff0c\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u6027\u80fd\u6307\u6a19\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e5%88%86%e5%8d%80%e6%8a%80%e8%a1%93-rGszOquBfY\">4. \u4f7f\u7528\u5206\u5340\u6280\u8853<\/h2>\n<p>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u4f7f\u7528\u5206\u5340\u6280\u8853\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u5206\u5340\u53ef\u4ee5\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u7269\u7406\u5340\u57df\uff0c\u5f9e\u800c\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\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<pre><code>CREATE TABLE orders (\n    order_id INT,\n    order_date DATE,\n    amount DECIMAL(10, 2)\n) PARTITION BY RANGE (YEAR(order_date)) (\n    PARTITION p2021 VALUES LESS THAN (2022),\n    PARTITION p2022 VALUES LESS THAN (2023)\n);<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-rGszOquBfY\">\u7e3d\u7d50<\/h2>\n<p>\u63d0\u5347MySQL\u6578\u64da\u5eab\u7684\u6027\u80fd\u9700\u8981\u5f9e\u591a\u65b9\u9762\u5165\u624b\uff0c\u5305\u62ec\u512a\u5316\u67e5\u8a62\u8a9e\u53e5\u3001\u8abf\u6574\u914d\u7f6e\u3001\u5b9a\u671f\u7dad\u8b77\u548c\u4f7f\u7528\u5206\u5340\u6280\u8853\u3002\u901a\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u5be6\u73fe\u5f9e\u9752\u9285\u5230\u738b\u8005\u7684\u98db\u8e8d\u3002\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u4f60\u7684MySQL\u6578\u64da\u5eab\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u4f60\u8f15\u9b06\u7ba1\u7406\u548c\u512a\u5316\u4f60\u7684\u6578\u64da\u5eab\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u63d0\u5347\u4f60\u7684MySQL\u6578\u64da\u5eab\u6280\u80fd\uff0c\u5f9e\u9752\u9285\u5230\u738b\u8005\uff0c\u638c\u63e1\u95dc\u9375\u6280\u5de7\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u6210\u70ba\u6578\u64da\u7ba1\u7406\u9ad8\u624b\uff01<\/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-171603","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171603","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=171603"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171603\/revisions"}],"predecessor-version":[{"id":171604,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171603\/revisions\/171604"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}