{"id":179418,"date":"2024-11-09T01:39:22","date_gmt":"2024-11-08T17:39:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179418\/"},"modified":"2024-11-09T01:39:23","modified_gmt":"2024-11-08T17:39:23","slug":"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%a8%82%e5%96%ae%e6%9f%a5%e8%a9%a2%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a1%8c-%e8%a8%82%e5%96%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179418\/","title":{"rendered":"\u5982\u4f55\u512a\u5316\u6578\u64da\u5eab\u7684\u8a02\u55ae\u67e5\u8a62\uff1f (\u6578\u64da\u5eab\u984c \u8a02\u55ae)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%a8%82%e5%96%ae%e6%9f%a5%e8%a9%a2%ef%bc%9f-dNDUemJQGk\">\u5982\u4f55\u512a\u5316\u6578\u64da\u5eab\u7684\u8a02\u55ae\u67e5\u8a62\uff1f<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u5546\u696d\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002\u7279\u5225\u662f\u5c0d\u65bc\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u800c\u8a00\uff0c\u8a02\u55ae\u67e5\u8a62\u7684\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u5230\u5ba2\u6236\u7684\u6eff\u610f\u5ea6\u548c\u696d\u52d9\u7684\u589e\u9577\u3002\u56e0\u6b64\uff0c\u512a\u5316\u6578\u64da\u5eab\u7684\u8a02\u55ae\u67e5\u8a62\u6210\u70ba\u4e86\u8a31\u591a\u4f01\u696d\u7684\u9996\u8981\u4efb\u52d9\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u6709\u6548\u7684\u7b56\u7565\u548c\u6280\u8853\uff0c\u4ee5\u63d0\u5347\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95-dNDUemJQGk\">1. \u4f7f\u7528\u7d22\u5f15<\/h2>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u6578\u64da\u5eab\u67e5\u8a62\u6027\u80fd\u7684\u6700\u6709\u6548\u65b9\u6cd5\u4e4b\u4e00\u3002\u901a\u904e\u5728\u8a02\u55ae\u8868\u7684\u95dc\u9375\u5b57\u6bb5\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u67e5\u8a62\u6240\u9700\u7684\u6642\u9593\u3002\u4f8b\u5982\uff0c\u5982\u679c\u7d93\u5e38\u6839\u64da\u8a02\u55ae\u865f\u6216\u5ba2\u6236ID\u9032\u884c\u67e5\u8a62\uff0c\u5247\u61c9\u5728\u9019\u4e9b\u5b57\u6bb5\u4e0a\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n<pre><code>CREATE INDEX idx_order_id ON orders(order_id);\nCREATE INDEX idx_customer_id ON orders(customer_id);\n<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u904e\u591a\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u6578\u64da\u7684\u5beb\u5165\u6027\u80fd\uff0c\u56e0\u6b64\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u5e73\u8861\u3002<\/p>\n<h2 id=\"2-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-dNDUemJQGk\">2. \u512a\u5316\u67e5\u8a62\u8a9e\u53e5<\/h2>\n<p>\u67e5\u8a62\u8a9e\u53e5\u7684\u8a2d\u8a08\u5c0d\u65bc\u6027\u80fd\u6709\u8457\u76f4\u63a5\u7684\u5f71\u97ff\u3002\u4f7f\u7528\u7c21\u6f54\u4e14\u9ad8\u6548\u7684SQL\u8a9e\u53e5\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u4f7f\u7528SELECT *\uff0c\u800c\u662f\u9078\u64c7\u9700\u8981\u7684\u5b57\u6bb5\u3002<\/li>\n<li>\u4f7f\u7528JOIN\u800c\u4e0d\u662f\u5b50\u67e5\u8a62\uff0c\u56e0\u70baJOIN\u901a\u5e38\u66f4\u9ad8\u6548\u3002<\/li>\n<li>\u4f7f\u7528WHERE\u5b50\u53e5\u904e\u6ffe\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8a62\u8a9e\u53e5\u6bd4\u4f7f\u7528SELECT *\u66f4\u70ba\u9ad8\u6548\uff1a<\/p>\n<pre><code>SELECT order_id, customer_id, order_date FROM orders WHERE order_status = 'completed';\n<\/code><\/pre>\n<h2 id=\"3-%e5%88%86%e5%8d%80%e8%a1%a8-dNDUemJQGk\">3. \u5206\u5340\u8868<\/h2>\n<p>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u5206\u5340\u8868\u662f\u4e00\u7a2e\u6709\u6548\u7684\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u7684\u65b9\u6cd5\u3002\u901a\u904e\u5c07\u6578\u64da\u5206\u6210\u591a\u500b\u5c0f\u90e8\u5206\uff0c\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6839\u64da\u65e5\u671f\u5c07\u8a02\u55ae\u8868\u9032\u884c\u5206\u5340\uff1a<\/p>\n<pre><code>CREATE TABLE orders (\n    order_id INT,\n    customer_id INT,\n    order_date DATE,\n    order_status VARCHAR(20)\n) PARTITION BY RANGE (YEAR(order_date)) (\n    PARTITION p2021 VALUES LESS THAN (2022),\n    PARTITION p2022 VALUES LESS THAN (2023)\n);\n<\/code><\/pre>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e7%b7%a9%e5%ad%98%e6%8a%80%e8%a1%93-dNDUemJQGk\">4. \u4f7f\u7528\u7de9\u5b58\u6280\u8853<\/h2>\n<p>\u7de9\u5b58\u6280\u8853\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u67e5\u8a62\u8ca0\u64d4\u3002\u901a\u904e\u5c07\u5e38\u7528\u7684\u67e5\u8a62\u7d50\u679c\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u53ef\u4ee5\u5feb\u901f\u97ff\u61c9\u7528\u6236\u7684\u8acb\u6c42\u3002\u5e38\u898b\u7684\u7de9\u5b58\u6280\u8853\u5305\u62ec\u4f7f\u7528Redis\u6216Memcached\u7b49\u5de5\u5177\u3002<\/p>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ba%ab-dNDUemJQGk\">5. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h2>\n<p>\u5b9a\u671f\u7684\u6578\u64da\u5eab\u7dad\u8b77\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6027\u80fd\u4fdd\u6301\u5728\u6700\u4f73\u72c0\u614b\u3002\u9019\u5305\u62ec\u91cd\u5efa\u7d22\u5f15\u3001\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u548c\u6e05\u7406\u904e\u671f\u6578\u64da\u7b49\u3002\u9019\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u5e6b\u52a9\u6578\u64da\u5eab\u66f4\u6709\u6548\u5730\u57f7\u884c\u67e5\u8a62\u3002<\/p>\n<h2 id=\"6-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90%e6%80%a7%e8%83%bd-dNDUemJQGk\">6. \u76e3\u63a7\u548c\u5206\u6790\u6027\u80fd<\/h2>\n<p>\u4f7f\u7528\u6578\u64da\u5eab\u6027\u80fd\u76e3\u63a7\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002\u901a\u904e\u5206\u6790\u67e5\u8a62\u57f7\u884c\u8a08\u5283\uff0c\u53ef\u4ee5\u627e\u51fa\u54ea\u4e9b\u67e5\u8a62\u9700\u8981\u512a\u5316\uff0c\u5f9e\u800c\u9032\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-dNDUemJQGk\">\u7e3d\u7d50<\/h2>\n<p>\u512a\u5316\u6578\u64da\u5eab\u7684\u8a02\u55ae\u67e5\u8a62\u662f\u4e00\u500b\u591a\u65b9\u9762\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u7d22\u5f15\u3001\u67e5\u8a62\u512a\u5316\u3001\u5206\u5340\u3001\u7de9\u5b58\u3001\u7dad\u8b77\u548c\u6027\u80fd\u76e3\u63a7\u7b49\u591a\u500b\u65b9\u9762\u3002\u901a\u904e\u5be6\u65bd\u9019\u4e9b\u7b56\u7565\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6548\u7387\uff0c\u5f9e\u800c\u63d0\u5347\u5ba2\u6236\u6eff\u610f\u5ea6\u548c\u696d\u52d9\u589e\u9577\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\u4f86\u63d0\u5347\u60a8\u7684\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u512a\u5316\u6578\u64da\u5eab\u7684\u8a02\u55ae\u67e5\u8a62\uff0c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u6e1b\u5c11\u97ff\u61c9\u6642\u9593\uff0c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\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-179418","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179418","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=179418"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179418\/revisions"}],"predecessor-version":[{"id":179419,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179418\/revisions\/179419"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179418"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179418"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}