{"id":182482,"date":"2024-11-09T22:49:19","date_gmt":"2024-11-09T14:49:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182482\/"},"modified":"2024-11-09T22:49:20","modified_gmt":"2024-11-09T14:49:20","slug":"%e7%9c%81%e5%b8%82%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e7%b2%be%e7%a2%ba%e6%8e%8c%e6%8f%a1%e5%85%a8%e5%9c%8b%e5%9f%8e%e5%b8%82%e5%88%86%e4%bd%88%ef%bc%88%e7%9c%81%e4%bb%bd%e5%b8%82%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182482\/","title":{"rendered":"\u7701\u5e02\u6578\u64da\u5eab\uff1a\u7cbe\u78ba\u638c\u63e1\u5168\u570b\u57ce\u5e02\u5206\u4f48\uff08\u7701\u4efd\u5e02\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 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id=\"%e7%9c%81%e5%b8%82%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e7%b5%90%e6%a7%8b-bBCIDlfuYx\">\u7701\u5e02\u6578\u64da\u5eab\u7684\u7d50\u69cb<\/h2>\n<p>\u7701\u5e02\u6578\u64da\u5eab\u901a\u5e38\u5305\u542b\u4ee5\u4e0b\u5e7e\u500b\u4e3b\u8981\u7d44\u6210\u90e8\u5206\uff1a<\/p>\n<ul>\n<li><strong>\u7701\u4efd\u4fe1\u606f\uff1a<\/strong>\u5305\u62ec\u7701\u4efd\u540d\u7a31\u3001\u4ee3\u78bc\u3001\u5730\u7406\u4f4d\u7f6e\u7b49\u57fa\u672c\u4fe1\u606f\u3002<\/li>\n<li><strong>\u57ce\u5e02\u4fe1\u606f\uff1a<\/strong>\u6bcf\u500b\u7701\u4efd\u4e0b\u7684\u57ce\u5e02\u540d\u7a31\u3001\u4ee3\u78bc\u3001\u7d93\u7def\u5ea6\u7b49\u3002<\/li>\n<li><strong>\u5340\u57df\u5283\u5206\uff1a<\/strong>\u57ce\u5e02\u4e0b\u7684\u5340\u57df\u6216\u7e23\u7d1a\u884c\u653f\u55ae\u4f4d\u3002<\/li>\n<li><strong>\u7d93\u6fdf\u6578\u64da\uff1a<\/strong>\u5305\u62ecGDP\u3001\u4eba\u53e3\u6578\u91cf\u3001\u4e3b\u8981\u7522\u696d\u7b49\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u6578\u64da\u901a\u5e38\u4ee5\u7d50\u69cb\u5316\u7684\u5f62\u5f0f\u5b58\u5132\uff0c\u65b9\u4fbf\u7528\u6236\u9032\u884c\u67e5\u8a62\u548c\u5206\u6790\u3002\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u9700\u8981\u8003\u616e\u5230\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\uff0c\u4ee5\u78ba\u4fdd\u7528\u6236\u7372\u5f97\u6e96\u78ba\u7684\u4fe1\u606f\u3002<\/p>\n<h2 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\u653f\u7b56\u5236\u5b9a<\/h3>\n<p>\u653f\u5e9c\u6a5f\u69cb\u53ef\u4ee5\u4f9d\u8cf4\u9019\u4e9b\u6578\u64da\u4f86\u5236\u5b9a\u548c\u8a55\u4f30\u653f\u7b56\u3002\u901a\u904e\u5206\u6790\u5404\u7701\u5e02\u7684\u767c\u5c55\u72c0\u6cc1\uff0c\u653f\u5e9c\u53ef\u4ee5\u66f4\u597d\u5730\u5206\u914d\u8cc7\u6e90\uff0c\u4fc3\u9032\u7d93\u6fdf\u767c\u5c55\u3002<\/p>\n<h3 id=\"3-%e5%ad%b8%e8%a1%93%e7%a0%94%e7%a9%b6-bBCIDlfuYx\">3. \u5b78\u8853\u7814\u7a76<\/h3>\n<p>\u5b78\u8853\u754c\u4e5f\u7d93\u5e38\u4f7f\u7528\u7701\u5e02\u6578\u64da\u5eab\u9032\u884c\u793e\u6703\u79d1\u5b78\u7814\u7a76\u3002\u7814\u7a76\u4eba\u54e1\u53ef\u4ee5\u5229\u7528\u9019\u4e9b\u6578\u64da\u4f86\u5206\u6790\u4eba\u53e3\u6d41\u52d5\u3001\u57ce\u5e02\u5316\u9032\u7a0b\u7b49\u73fe\u8c61\uff0c\u5f9e\u800c\u63d0\u51fa\u76f8\u61c9\u7684\u7406\u8ad6\u548c\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%a7%8b%e5%bb%ba%e7%9c%81%e5%b8%82%e6%95%b8%e6%93%9a%e5%ba%ab-bBCIDlfuYx\">\u5982\u4f55\u69cb\u5efa\u7701\u5e02\u6578\u64da\u5eab<\/h2>\n<p>\u69cb\u5efa\u4e00\u500b\u6709\u6548\u7684\u7701\u5e02\u6578\u64da\u5eab\u9700\u8981\u7d93\u904e\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u6536\u96c6\uff1a<\/strong>\u5f9e\u653f\u5e9c\u6a5f\u69cb\u3001\u7d71\u8a08\u5c40\u548c\u5176\u4ed6\u53ef\u9760\u4f86\u6e90\u6536\u96c6\u6578\u64da\u3002<\/li>\n<li><strong>\u6578\u64da\u6e05\u6d17\uff1a<\/strong>\u5c0d\u6536\u96c6\u5230\u7684\u6578\u64da\u9032\u884c\u6e05\u6d17\uff0c\u53bb\u9664\u91cd\u8907\u548c\u932f\u8aa4\u7684\u4fe1\u606f\u3002<\/li>\n<li><strong>\u6578\u64da\u5b58\u5132\uff1a<\/strong>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08\u5982MySQL\u3001PostgreSQL\u7b49\uff09\u9032\u884c\u6578\u64da\u5b58\u5132\u3002<\/li>\n<li><strong>\u6578\u64da\u66f4\u65b0\uff1a<\/strong>\u5b9a\u671f\u66f4\u65b0\u6578\u64da\uff0c\u4ee5\u78ba\u4fdd\u4fe1\u606f\u7684\u6e96\u78ba\u6027\u548c\u6642\u6548\u6027\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u793a\u4f8b\uff0c\u7528\u65bc\u5275\u5efa\u4e00\u500b\u7701\u5e02\u6578\u64da\u5eab\u7684\u8868\u683c\uff1a<\/p>\n<pre><code>CREATE TABLE provinces (\n    id INT PRIMARY KEY AUTO_INCREMENT,\n    name VARCHAR(100) NOT NULL,\n    code VARCHAR(10) NOT NULL\n);\n\nCREATE TABLE cities (\n    id INT PRIMARY KEY AUTO_INCREMENT,\n    name VARCHAR(100) NOT NULL,\n    province_id INT,\n    FOREIGN KEY (province_id) REFERENCES provinces(id)\n);<\/code><\/pre>\n<h2 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