{"id":75766,"date":"2024-10-16T01:02:28","date_gmt":"2024-10-15T17:02:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75766\/"},"modified":"2024-10-16T01:02:29","modified_gmt":"2024-10-15T17:02:29","slug":"mysql-%e8%a1%a8%e7%9a%84%e6%80%a7%e8%83%bd%e6%8f%90%e5%8d%87%e7%9a%84%e7%9b%b8%e9%97%9c%e5%95%8f%e9%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75766\/","title":{"rendered":"MySQL \u8868\u7684\u6027\u80fd\u63d0\u5347\u7684\u76f8\u95dc\u554f\u984c"},"content":{"rendered":"<h1 id=\"mysql-%e8%a1%a8%e7%9a%84%e6%80%a7%e8%83%bd%e6%8f%90%e5%8d%87%e7%9a%84%e7%9b%b8%e9%97%9c%e5%95%8f%e9%a1%8c-RbZotBdZap\">MySQL \u8868\u7684\u6027\u80fd\u63d0\u5347\u7684\u76f8\u95dc\u554f\u984c<\/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\u672c\u6587\u5c07\u63a2\u8a0e MySQL \u8868\u7684\u6027\u80fd\u63d0\u5347\u7684\u76f8\u95dc\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u5efa\u8b70\u548c\u6280\u5de7\u3002<\/p>\n<h2 id=\"1-%e8%a1%a8%e7%b5%90%e6%a7%8b%e7%9a%84%e8%a8%ad%e8%a8%88-RbZotBdZap\">1. \u8868\u7d50\u69cb\u7684\u8a2d\u8a08<\/h2>\n<p>\u8868\u7684\u7d50\u69cb\u8a2d\u8a08\u5c0d\u65bc\u6027\u80fd\u6709\u8457\u76f4\u63a5\u7684\u5f71\u97ff\u3002\u5408\u7406\u7684\u6578\u64da\u985e\u578b\u9078\u64c7\u548c\u7d22\u5f15\u8a2d\u8a08\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<ul>\n<li><strong>\u6578\u64da\u985e\u578b\u7684\u9078\u64c7\uff1a<\/strong>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u53ef\u4ee5\u6e1b\u5c11\u5b58\u5132\u7a7a\u9593\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u6574\u6578\u985e\u578b\uff0c\u4f7f\u7528 TINYINT \u800c\u4e0d\u662f INT \u53ef\u4ee5\u7bc0\u7701\u7a7a\u9593\u3002<\/li>\n<li><strong>\u7d22\u5f15\u7684\u4f7f\u7528\uff1a<\/strong>\u7d22\u5f15\u53ef\u4ee5\u52a0\u901f\u67e5\u8a62\uff0c\u4f46\u904e\u591a\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u5beb\u5165\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u61c9\u6839\u64da\u67e5\u8a62\u9700\u6c42\u5408\u7406\u8a2d\u8a08\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-RbZotBdZap\">2. \u67e5\u8a62\u512a\u5316<\/h2>\n<p>\u67e5\u8a62\u7684\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u5230\u6574\u9ad4\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 EXPLAIN \u8a9e\u53e5\uff1a<\/strong>\u901a\u904e EXPLAIN \u8a9e\u53e5\u53ef\u4ee5\u5206\u6790\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u907f\u514d SELECT *\uff1a<\/strong>\u53ea\u9078\u64c7\u9700\u8981\u7684\u5217\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u91cf\uff0c\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u4f7f\u7528 JOIN \u800c\u975e\u5b50\u67e5\u8a62\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528 JOIN \u53ef\u4ee5\u6bd4\u5b50\u67e5\u8a62\u66f4\u9ad8\u6548\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae-RbZotBdZap\">3. \u6578\u64da\u5eab\u914d\u7f6e<\/h2>\n<p>MySQL \u7684\u914d\u7f6e\u5c0d\u65bc\u6027\u80fd\u4e5f\u6709\u91cd\u8981\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u914d\u7f6e\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u8abf\u6574\u7de9\u885d\u5340\u5927\u5c0f\uff1a<\/strong>\u6839\u64da\u7cfb\u7d71\u5167\u5b58\u8abf\u6574 InnoDB Buffer Pool \u7684\u5927\u5c0f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u8b80\u53d6\u901f\u5ea6\u3002<\/li>\n<li><strong>\u555f\u7528\u67e5\u8a62\u7de9\u5b58\uff1a<\/strong>\u67e5\u8a62\u7de9\u5b58\u53ef\u4ee5\u6e1b\u5c11\u91cd\u8907\u67e5\u8a62\u7684\u6642\u9593\uff0c\u4f46\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u6c7a\u5b9a\u662f\u5426\u555f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7-RbZotBdZap\">4. \u5b9a\u671f\u7dad\u8b77<\/h2>\n<p>\u5b9a\u671f\u7684\u6578\u64da\u5eab\u7dad\u8b77\u53ef\u4ee5\u4fdd\u6301\u6027\u80fd\u7684\u7a69\u5b9a\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7dad\u8b77\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\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\uff0c\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\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\u53ef\u4ee5\u6e1b\u5c11\u8868\u7684\u5927\u5c0f\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e4%bd%bf%e7%94%a8%e5%88%86%e5%8d%80%e8%a1%a8-RbZotBdZap\">5. \u4f7f\u7528\u5206\u5340\u8868<\/h2>\n<p>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u4f7f\u7528\u5206\u5340\u8868\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u5206\u5340\u8868\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7269\u7406\u5340\u57df\uff0c\u9019\u6a23\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n<pre><code>CREATE TABLE orders (\n    order_id INT,\n    order_date DATE,\n    customer_id INT\n) PARTITION BY RANGE (YEAR(order_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-RbZotBdZap\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u8868\u7684\u6027\u80fd\u63d0\u5347\u6d89\u53ca\u591a\u500b\u65b9\u9762\uff0c\u5305\u62ec\u8868\u7d50\u69cb\u8a2d\u8a08\u3001\u67e5\u8a62\u512a\u5316\u3001\u6578\u64da\u5eab\u914d\u7f6e\u3001\u5b9a\u671f\u7dad\u8b77\u4ee5\u53ca\u4f7f\u7528\u5206\u5340\u8868\u7b49\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u512a\u5316\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u61c9\u7528\u7684\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\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> \u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 MySQL \u8868\u6027\u80fd\u63d0\u5347\u7684\u6280\u5de7\u8207\u7b56\u7565\uff0c\u89e3\u6c7a\u5e38\u898b\u554f\u984c\uff0c\u512a\u5316\u67e5\u8a62\u901f\u5ea6\u8207\u6578\u64da\u8655\u7406\u6548\u7387\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-75766","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75766","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=75766"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75766\/revisions"}],"predecessor-version":[{"id":75767,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75766\/revisions\/75767"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}