{"id":181298,"date":"2024-11-09T15:53:16","date_gmt":"2024-11-09T07:53:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181298\/"},"modified":"2024-11-09T15:53:16","modified_gmt":"2024-11-09T07:53:16","slug":"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e9%97%9c%e4%bf%82%e6%a8%a1%e5%9e%8b%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e9%97%9c%e4%bf%82%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181298\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3\u6578\u64da\u5eab\u4e2d\u7684\u95dc\u4fc2\u6a21\u578b\uff08\u6578\u64da\u5eab\u4e2d\u95dc\u4fc2\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e9%97%9c%e4%bf%82%e6%a8%a1%e5%9e%8b%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e9%97%9c%e4%bf%82%ef%bc%89-siibxwzKQR\">\u6df1\u5165\u7406\u89e3\u6578\u64da\u5eab\u4e2d\u7684\u95dc\u4fc2\u6a21\u578b\uff08\u6578\u64da\u5eab\u4e2d\u95dc\u4fc2\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u548c\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u95dc\u4fc2\u6a21\u578b\u4f5c\u70ba\u6578\u64da\u5eab\u7684\u4e00\u7a2e\u4e3b\u8981\u8a2d\u8a08\u65b9\u6cd5\uff0c\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7d50\u69cb\u5316\u7684\u65b9\u5f0f\u4f86\u7d44\u7e54\u548c\u7ba1\u7406\u6578\u64da\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u95dc\u4fc2\u6a21\u578b\u7684\u57fa\u672c\u6982\u5ff5\u3001\u7d44\u6210\u90e8\u5206\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%97%9c%e4%bf%82%e6%a8%a1%e5%9e%8b%ef%bc%9f-siibxwzKQR\">\u4ec0\u9ebc\u662f\u95dc\u4fc2\u6a21\u578b\uff1f<\/h2>\n<p>\u95dc\u4fc2\u6a21\u578b\u662f\u7531\u57c3\u5fb7\u52a0\u00b7F\u00b7\u79d1\u5fb7\uff08Edgar F. Codd\uff09\u65bc1970\u5e74\u63d0\u51fa\u7684\uff0c\u65e8\u5728\u63d0\u4f9b\u4e00\u7a2e\u57fa\u65bc\u6578\u5b78\u96c6\u5408\u8ad6\u7684\u6578\u64da\u7d44\u7e54\u65b9\u5f0f\u3002\u5728\u95dc\u4fc2\u6a21\u578b\u4e2d\uff0c\u6578\u64da\u4ee5\u8868\u683c\u7684\u5f62\u5f0f\u5b58\u5132\uff0c\u6bcf\u500b\u8868\u683c\u7a31\u70ba\u201c\u95dc\u4fc2\u201d\u3002\u9019\u4e9b\u8868\u683c\u7531\u884c\u548c\u5217\u7d44\u6210\uff0c\u884c\u4ee3\u8868\u8a18\u9304\uff08\u6216\u5143\u7d44\uff09\uff0c\u800c\u5217\u5247\u4ee3\u8868\u5c6c\u6027\uff08\u6216\u5b57\u6bb5\uff09\u3002<\/p>\n<h2 id=\"%e9%97%9c%e4%bf%82%e6%a8%a1%e5%9e%8b%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%b5%84%e6%88%90%e9%83%a8%e5%88%86-siibxwzKQR\">\u95dc\u4fc2\u6a21\u578b\u7684\u57fa\u672c\u7d44\u6210\u90e8\u5206<\/h2>\n<ul>\n<li><strong>\u8868\uff08Relation\uff09<\/strong>: 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id=\"%e7%b5%90%e8%ab%96-siibxwzKQR\">\u7d50\u8ad6<\/h2>\n<p>\u95dc\u4fc2\u6a21\u578b\u4f5c\u70ba\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u57fa\u77f3\uff0c\u70ba\u6578\u64da\u7684\u7d44\u7e54\u548c\u7ba1\u7406\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u652f\u6301\u3002\u901a\u904e\u7406\u89e3\u95dc\u4fc2\u6a21\u578b\u7684\u57fa\u672c\u6982\u5ff5\u548c\u7279\u9ede\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u80fd\u5920\u66f4\u6709\u6548\u5730\u8a2d\u8a08\u548c\u7dad\u8b77\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u61c9\u7528\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u95dc\u4fc2\u6a21\u578b\u4ecd\u7136\u662f\u6578\u64da\u5eab\u6280\u8853\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> 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