{"id":182214,"date":"2024-11-09T21:03:20","date_gmt":"2024-11-09T13:03:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182214\/"},"modified":"2024-11-09T21:03:21","modified_gmt":"2024-11-09T13:03:21","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e8%a8%8e%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b9%8b%e9%96%93%e7%9a%84%e9%97%9c%e8%81%af%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e8%88%87%e8%a1%a8%e7%9a%84%e9%97%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182214\/","title":{"rendered":"\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u8868\u4e4b\u9593\u7684\u95dc\u806f\uff08\u6578\u64da\u5eab\u8868\u8207\u8868\u7684\u95dc\u806f\uff09"},"content":{"rendered":"<h1 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id=\"%e9%97%9c%e8%81%af%e7%9a%84%e9%a1%9e%e5%9e%8b-MXBMGsYPos\">\u95dc\u806f\u7684\u985e\u578b<\/h2>\n<p>\u6578\u64da\u5eab\u8868\u4e4b\u9593\u7684\u95dc\u806f\u4e3b\u8981\u6709\u4e09\u7a2e\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u4e00\u5c0d\u4e00\u95dc\u806f\uff08One-to-One\uff09<\/strong>: \u5728\u9019\u7a2e\u95dc\u806f\u4e2d\uff0c\u8868A\u4e2d\u7684\u6bcf\u4e00\u689d\u8a18\u9304\u90fd\u5c0d\u61c9\u8868B\u4e2d\u7684\u4e00\u689d\u8a18\u9304\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e00\u500b\u7528\u6236\u8868\u548c\u4e00\u500b\u7528\u6236\u8a73\u7d30\u4fe1\u606f\u8868\uff0c\u6bcf\u500b\u7528\u6236\u53ea\u6709\u4e00\u500b\u8a73\u7d30\u4fe1\u606f\u8a18\u9304\u3002<\/li>\n<li><strong>\u4e00\u5c0d\u591a\u95dc\u806f\uff08One-to-Many\uff09<\/strong>: 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id=\"%e5%a4%96%e9%8d%b5%e7%9a%84%e4%bd%bf%e7%94%a8-MXBMGsYPos\">\u5916\u9375\u7684\u4f7f\u7528<\/h2>\n<p>\u5916\u9375\u662f\u5be6\u73fe\u8868\u4e4b\u9593\u95dc\u806f\u7684\u95dc\u9375\u3002\u5b83\u4e0d\u50c5\u7528\u65bc\u5efa\u7acb\u95dc\u806f\uff0c\u9084\u7528\u65bc\u7dad\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u7576\u4e00\u500b\u8868\u7684\u5916\u9375\u5f15\u7528\u53e6\u4e00\u500b\u8868\u7684\u4e3b\u9375\u6642\uff0c\u6578\u64da\u5eab\u7cfb\u7d71\u6703\u78ba\u4fdd\u5f15\u7528\u7684\u6b63\u78ba\u6027\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u5275\u5efa\u4e00\u5c0d\u591a\u95dc\u806f\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE TABLE Customers (\n    CustomerID int PRIMARY KEY,\n    CustomerName varchar(255)\n);\n\nCREATE TABLE Orders (\n    OrderID int PRIMARY KEY,\n    OrderDate date,\n    CustomerID int,\n    FOREIGN KEY (CustomerID) REFERENCES Customers(CustomerID)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cOrders\u8868\u4e2d\u7684CustomerID\u662f\u5916\u9375\uff0c\u5f15\u7528\u4e86Customers\u8868\u4e2d\u7684CustomerID\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6bcf\u500b\u8a02\u55ae\u90fd\u8207\u4e00\u500b\u6709\u6548\u7684\u5ba2\u6236\u76f8\u95dc\u806f\u3002<\/p>\n<h2 id=\"%e8%a8%ad%e8%a8%88%e8%80%83%e9%87%8f-MXBMGsYPos\">\u8a2d\u8a08\u8003\u91cf<\/h2>\n<p>\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u8003\u616e\u8868\u4e4b\u9593\u7684\u95dc\u806f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8a2d\u8a08\u8003\u91cf\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5b8c\u6574\u6027<\/strong>: \u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6e96\u78ba\u6027\uff0c\u4f7f\u7528\u5916\u9375\u7d04\u675f\u4f86\u9632\u6b62\u7121\u6548\u6578\u64da\u7684\u63d2\u5165\u3002<\/li>\n<li><strong>\u67e5\u8a62\u6027\u80fd<\/strong>: \u8003\u616e\u5982\u4f55\u901a\u904e\u95dc\u806f\u67e5\u8a62\u6578\u64da\uff0c\u9069\u7576\u5730\u4f7f\u7528\u7d22\u5f15\u4f86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027<\/strong>: \u8a2d\u8a08\u6642\u8981\u8003\u616e\u672a\u4f86\u7684\u64f4\u5c55\u9700\u6c42\uff0c\u907f\u514d\u904e\u65bc\u7dca\u8026\u5408\u7684\u8a2d\u8a08\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-MXBMGsYPos\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u8868\u4e4b\u9593\u7684\u95dc\u806f\u662f\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u65b9\u9762\u3002\u901a\u904e\u5408\u7406\u5730\u8a2d\u8a08\u8868\u4e4b\u9593\u7684\u95dc\u806f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u67e5\u8a62\u6027\u80fd\u3002\u4e86\u89e3\u4e00\u5c0d\u4e00\u3001\u4e00\u5c0d\u591a\u548c\u591a\u5c0d\u591a\u95dc\u806f\u7684\u7279\u9ede\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5916\u9375\u4f86\u5be6\u73fe\u9019\u4e9b\u95dc\u806f\uff0c\u5c0d\u65bc\u4efb\u4f55\u6578\u64da\u5eab\u958b\u767c\u8005\u4f86\u8aaa\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u6280\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> 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