{"id":61063,"date":"2024-10-13T08:07:13","date_gmt":"2024-10-13T00:07:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61063\/"},"modified":"2024-10-13T08:07:13","modified_gmt":"2024-10-13T00:07:13","slug":"db%e5%88%86%e5%ba%ab%e5%88%86%e8%a1%a8%ef%bc%881%ef%bc%89%ef%bc%9a%e6%8b%86%e5%88%86%e5%af%a6%e6%96%bd%e7%ad%96%e7%95%a5%e5%92%8c%e7%a4%ba%e4%be%8b%e6%bc%94%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61063\/","title":{"rendered":"DB\u5206\u5eab\u5206\u8868\uff081\uff09\uff1a\u62c6\u5206\u5be6\u65bd\u7b56\u7565\u548c\u793a\u4f8b\u6f14\u793a"},"content":{"rendered":"<h1 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id=\"%e6%8b%86%e5%88%86%e5%af%a6%e6%96%bd%e7%ad%96%e7%95%a5-fIKjXDwyqA\">\u62c6\u5206\u5be6\u65bd\u7b56\u7565<\/h2>\n<p>\u5728\u5be6\u65bd\u5206\u5eab\u5206\u8868\u7b56\u7565\u6642\uff0c\u4f01\u696d\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<h3 id=\"1-%e6%8b%86%e5%88%86%e7%ad%96%e7%95%a5%e7%9a%84%e9%81%b8%e6%93%87-fIKjXDwyqA\">1. 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\u6578\u64da\u8def\u7531<\/h3>\n<p>\u5728\u5206\u5eab\u5206\u8868\u5f8c\uff0c\u5982\u4f55\u6b63\u78ba\u5730\u8def\u7531\u6578\u64da\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u4e2d\u9593\u4ef6\u6216\u61c9\u7528\u5c64\u7684\u908f\u8f2f\u4f86\u6c7a\u5b9a\u6578\u64da\u7684\u5b58\u5132\u4f4d\u7f6e\u3002\u4f8b\u5982\uff0c\u6839\u64da\u7528\u6236ID\u7684\u7bc4\u570d\u4f86\u6c7a\u5b9a\u6578\u64da\u5b58\u5132\u5728\u54ea\u500b\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7-fIKjXDwyqA\">3. \u6578\u64da\u4e00\u81f4\u6027<\/h3>\n<p>\u5728\u5206\u5eab\u5206\u8868\u7684\u74b0\u5883\u4e2d\uff0c\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\u662f\u4e00\u500b\u6311\u6230\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5206\u5e03\u5f0f\u4e8b\u52d9\u6216\u6700\u7d42\u4e00\u81f4\u6027\u6a21\u578b\u4f86\u89e3\u6c7a\u9019\u500b\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e6%bc%94%e7%a4%ba-fIKjXDwyqA\">\u793a\u4f8b\u6f14\u793a<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u9032\u884c\u6c34\u5e73\u62c6\u5206\uff1a<\/p>\n<pre><code>-- \u5047\u8a2d\u6709\u4e00\u500b\u7528\u6236\u8868\nCREATE TABLE users (\n    id INT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100)\n);\n\n-- \u6c34\u5e73\u62c6\u5206\uff0c\u6839\u64da\u7528\u6236ID\u7bc4\u570d\nCREATE TABLE users_1 (\n    id INT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100)\n);\n\nCREATE TABLE users_2 (\n    id INT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100)\n);\n\n-- \u6578\u64da\u8def\u7531\u908f\u8f2f\nIF user_id &lt;= 1000 THEN\n    INSERT INTO users_1 (id, name, email) VALUES (user_id, user_name, user_email);\nELSE\n    INSERT INTO users_2 (id, name, email) VALUES (user_id, user_name, user_email);\nEND IF;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5c07\u7528\u6236\u8868\u6839\u64da\u7528\u6236ID\u9032\u884c\u4e86\u6c34\u5e73\u62c6\u5206\uff0c\u4e26\u4f7f\u7528\u7c21\u55ae\u7684\u908f\u8f2f\u4f86\u6c7a\u5b9a\u6578\u64da\u7684\u5b58\u5132\u4f4d\u7f6e\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fIKjXDwyqA\">\u7e3d\u7d50<\/h2>\n<p>\u5206\u5eab\u5206\u8868\u662f\u4e00\u7a2e\u6709\u6548\u7684\u6578\u64da\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5728\u5be6\u65bd\u904e\u7a0b\u4e2d\uff0c\u4f01\u696d\u9700\u8981\u6839\u64da\u81ea\u8eab\u7684\u696d\u52d9\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u62c6\u5206\u7b56\u7565\uff0c\u4e26\u8003\u616e\u6578\u64da\u8def\u7531\u548c\u4e00\u81f4\u6027\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a 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