{"id":78,"date":"2026-04-05T04:46:54","date_gmt":"2026-04-05T04:46:54","guid":{"rendered":"https:\/\/www.we-notes.com\/cn\/er-diagrams-mapping-business-rules-to-schemas\/"},"modified":"2026-04-05T04:46:54","modified_gmt":"2026-04-05T04:46:54","slug":"er-diagrams-mapping-business-rules-to-schemas","status":"publish","type":"post","link":"https:\/\/www.we-notes.com\/cn\/er-diagrams-mapping-business-rules-to-schemas\/","title":{"rendered":"\u6df1\u5165\u63a2\u8ba8ER\u56fe\uff1a\u5c06\u73b0\u5b9e\u4e16\u754c\u7684\u4e1a\u52a1\u89c4\u5219\u6620\u5c04\u5230\u6280\u672f\u67b6\u6784"},"content":{"rendered":"

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\n
\"Hand-drawn<\/figure>\n<\/div>\n

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    \n
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      \n
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        \n
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          \n
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            \n
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              \n
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                \n
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                  \n
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                • \u66f4\u6b63\uff1a<\/em> \u521b\u5efa\u4e00\u4e2a \u4f4d\u7f6e<\/em> \u8868\u6765\u5b58\u50a8\u57ce\u5e02\u548c\u56fd\u5bb6\u6570\u636e\u3002<\/li>\n<\/ul>\n

                  \ud83d\udee1\ufe0f \u5904\u7406\u7ea6\u675f\u4e0e\u5b8c\u6574\u6027<\/h2>\n

                  \u4e00\u4e2a\u6a21\u5f0f\u7684\u4ef7\u503c\u53d6\u51b3\u4e8e\u4fdd\u62a4\u5b83\u7684\u89c4\u5219\u3002\u7ea6\u675f\u786e\u4fdd\u6570\u636e\u5728\u65f6\u95f4\u63a8\u79fb\u4e2d\u4fdd\u6301\u51c6\u786e\u548c\u4e00\u81f4\u3002<\/p>\n

                  \u4e3b\u952e<\/h3>\n

                  \u6bcf\u4e2a\u8868\u90fd\u5fc5\u987b\u6709\u4e00\u4e2a\u552f\u4e00\u6807\u8bc6\u7b26\u3002\u8fd9\u786e\u4fdd\u4e86\u6ca1\u6709\u4e24\u884c\u662f\u76f8\u540c\u7684\uff0c\u5e76\u5141\u8bb8\u7cbe\u786e\u68c0\u7d22\u3002\u5728\u8bb8\u591a\u7cfb\u7edf\u4e2d\uff0c\u8fd9\u662f\u4e00\u4e2a\u81ea\u589e\u6574\u6570\u3002\u5728\u5176\u4ed6\u7cfb\u7edf\u4e2d\uff0c\u5b83\u53ef\u80fd\u662f\u4e00\u4e2aUUID\u6216\u81ea\u7136\u952e\u3002<\/p>\n

                  \u5916\u952e<\/h3>\n

                  \u5916\u952e\u7ef4\u62a4\u5f15\u7528\u5b8c\u6574\u6027\u3002\u5b83\u4eec\u786e\u4fdd\u5b50\u8868\u4e2d\u7684\u8bb0\u5f55\u4e0d\u80fd\u5728\u6ca1\u6709\u5bf9\u5e94\u7236\u8868\u8bb0\u5f55\u7684\u60c5\u51b5\u4e0b\u5b58\u5728\u3002\u8fd9\u53ef\u4ee5\u9632\u6b62\u5b64\u7acb\u6570\u636e\u3002<\/p>\n

                    \n
                  • \u5220\u9664\u7ea7\u8054\uff1a<\/strong> \u5982\u679c\u5220\u9664\u7236\u8bb0\u5f55\uff0c\u5b50\u8bb0\u5f55\u5c06\u81ea\u52a8\u88ab\u5220\u9664\u3002<\/li>\n
                  • \u5220\u9664\u9650\u5236\uff1a<\/strong> \u5982\u679c\u5b58\u5728\u5b50\u8bb0\u5f55\uff0c\u5219\u7981\u6b62\u5220\u9664\u7236\u8bb0\u5f55\u3002<\/li>\n
                  • \u5220\u9664\u7f6e\u7a7a\uff1a<\/strong> \u5220\u9664\u7236\u8bb0\u5f55\uff0c\u4f46\u5c06\u5b50\u8bb0\u5f55\u7684\u5916\u952e\u8bbe\u4e3anull\u3002<\/li>\n<\/ul>\n

                    \u68c0\u67e5\u7ea6\u675f<\/h3>\n

                    \u8fd9\u4e9b\u7ea6\u675f\u5728\u6570\u636e\u5e93\u5185\u90e8\u76f4\u63a5\u5f3a\u5236\u6267\u884c\u7279\u5b9a\u7684\u4e1a\u52a1\u903b\u8f91\u3002\u4f8b\u5982\uff0c\u786e\u4fdd\u4e00\u4e2a\u4ef7\u683c<\/em>\u5927\u4e8e\u96f6\uff0c\u6216\u8005\u4e00\u4e2a\u5f00\u59cb\u65e5\u671f<\/em>\u5728\u7ed3\u675f\u65e5\u671f<\/em>.<\/p>\n

                    \u26a0\ufe0f \u6570\u636e\u5efa\u6a21\u4e2d\u7684\u5e38\u89c1\u9677\u9631<\/h2>\n

                    \u5373\u4f7f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u67b6\u6784\u5e08\u4e5f\u53ef\u80fd\u5ffd\u7565\u5173\u952e\u7ec6\u8282\u3002\u4e86\u89e3\u5e38\u89c1\u9519\u8bef\u6709\u52a9\u4e8e\u8bbe\u8ba1\u51fa\u66f4\u53ef\u9760\u7684\u7cfb\u7edf\u3002<\/p>\n

                      \n
                    • \u8fc7\u5ea6\u89c4\u8303\u5316\uff1a<\/strong>\u8fc7\u4e8e\u6fc0\u8fdb\u5730\u62c6\u5206\u8868\u4f1a\u5bfc\u81f4\u590d\u6742\u7684\u8fde\u63a5\u64cd\u4f5c\uff0c\u4ece\u800c\u964d\u4f4e\u67e5\u8be2\u6027\u80fd\u3002\u5728\u8bfb\u53d6\u5bc6\u96c6\u578b\u5de5\u4f5c\u8d1f\u8f7d\u4e2d\uff0c\u6709\u65f6\u5141\u8bb8\u4e00\u5b9a\u7a0b\u5ea6\u7684\u53cd\u89c4\u8303\u5316\u3002<\/li>\n
                    • \u5ffd\u7565\u8f6f\u5220\u9664\uff1a<\/strong>\u4e1a\u52a1\u89c4\u5219\u901a\u5e38\u8981\u6c42\u4fdd\u7559\u5386\u53f2\u6570\u636e\u3002\u6c38\u4e45\u5220\u9664\u8bb0\u5f55\u4f1a\u7834\u574f\u5ba1\u8ba1\u8f68\u8ff9\u3002\u901a\u5e38\u9700\u8981\u4e00\u4e2aIsDeleted<\/em>\u6807\u5fd7\u4f4d\u3002<\/li>\n
                    • \u5047\u8bbe\u552f\u4e00\u6027\uff1a<\/strong>\u4ec5\u4ec5\u56e0\u4e3a\u4e1a\u52a1\u89c4\u5219\u6697\u793a\u552f\u4e00\u6027\uff08\u4f8b\u5982\uff0c\u7535\u5b50\u90ae\u4ef6<\/em>\uff09\u5e76\u4e0d\u610f\u5473\u7740\u6570\u636e\u5e93\u4f1a\u5f3a\u5236\u6267\u884c\u3002\u5fc5\u987b\u663e\u5f0f\u5b9a\u4e49\u552f\u4e00\u6027\u7ea6\u675f\u3002<\/li>\n
                    • \u5ffd\u7565\u65f6\u95f4\uff1a<\/strong>\u5927\u591a\u6570\u4e1a\u52a1\u6570\u636e\u90fd\u5177\u6709\u65f6\u95f4\u5c5e\u6027\u3002\u8bb0\u5f55\u8bb0\u5f55\u7684\u521b\u5efa\u65f6\u95f4\u6216\u66f4\u65b0\u65f6\u95f4<\/em>\u5bf9\u4e8e\u5ba1\u8ba1\u548c\u8c03\u8bd5\u81f3\u5173\u91cd\u8981\u3002<\/li>\n
                    • \u786c\u7f16\u7801\u503c\uff1a<\/strong>\u5728SQL\u67e5\u8be2\u4e2d\u4f7f\u7528\u5177\u4f53\u503c\u800c\u4e0d\u662f\u5f15\u7528\u67e5\u627e\u8868\u4f1a\u4f7f\u7cfb\u7edf\u53d8\u5f97\u50f5\u5316\u4e14\u96be\u4ee5\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n

                      \ud83d\udd04 \u8fed\u4ee3\u5f0f\u8bbe\u8ba1\u8fc7\u7a0b<\/h2>\n

                      \u6570\u636e\u5efa\u6a21\u5f88\u5c11\u662f\u7ebf\u6027\u7684\u8fc7\u7a0b\u3002\u5b83\u662f\u8fed\u4ee3\u7684\u3002\u521d\u59cb\u7684\u56fe\u8868\u53ea\u662f\u4e00\u4e2a\u5047\u8bbe\uff0c\u5fc5\u987b\u901a\u8fc7\u5b9e\u9645\u4f7f\u7528\u6a21\u5f0f\u548c\u53cd\u9988\u6765\u9a8c\u8bc1\u3002<\/p>\n

                        \n
                      1. \u6982\u5ff5\u8bbe\u8ba1\uff1a<\/strong>\u5173\u6ce8\u9ad8\u5c42\u6b21\u7684\u5b9e\u4f53\u548c\u5173\u7cfb\u3002\u5ffd\u7565\u6570\u636e\u7c7b\u578b\u7b49\u6280\u672f\u7ec6\u8282\u3002<\/li>\n
                      2. \u903b\u8f91\u8bbe\u8ba1\uff1a<\/strong> \u6dfb\u52a0\u5c5e\u6027\uff0c\u5b9a\u4e49\u6570\u636e\u7c7b\u578b\uff0c\u5e76\u5efa\u7acb\u952e\u3002\u5bf9\u7ed3\u6784\u8fdb\u884c\u89c4\u8303\u5316\u3002<\/li>\n
                      3. \u7269\u7406\u8bbe\u8ba1\uff1a<\/strong> \u9488\u5bf9\u7279\u5b9a\u7684\u6570\u636e\u5e93\u5f15\u64ce\u8fdb\u884c\u4f18\u5316\u3002\u8003\u8651\u7d22\u5f15\u7b56\u7565\u3001\u5206\u533a\u548c\u5b58\u50a8\u3002<\/li>\n
                      4. \u5ba1\u67e5\uff1a<\/strong> \u4e0e\u5229\u76ca\u76f8\u5173\u8005\u5171\u540c\u9a8c\u8bc1\u6a21\u578b\u3002\u786e\u4fdd\u5176\u80fd\u591f\u652f\u6301\u672a\u6765\u7684\u4e1a\u52a1\u589e\u957f\u3002<\/li>\n<\/ol>\n

                        \u5728\u5ba1\u67e5\u9636\u6bb5\uff0c\u5e38\u5e38\u4f1a\u53d1\u73b0\u67d0\u4e2a\u5173\u7cfb\u88ab\u8bef\u89e3\u4e86\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u591a\u5bf9\u591a<\/em>\u5173\u7cfb\u5b9e\u9645\u4e0a\u53ef\u80fd\u662f\u4e00\u4e2a\u5c42\u6b21\u7ed3\u6784\uff0c\u6216\u4e00\u7cfb\u5217\u7684\u4e00\u5bf9\u591a<\/em>\u5173\u7cfb\uff0c\u4e00\u65e6\u63d0\u51fa\u66f4\u6df1\u5165\u7684\u95ee\u9898\u5c31\u4f1a\u53d1\u73b0\u8fd9\u4e00\u70b9\u3002\u8bbe\u8ba1\u9636\u6bb5\u7684\u7075\u6d3b\u6027\u53ef\u4ee5\u663e\u8457\u8282\u7701\u5b9e\u65bd\u9636\u6bb5\u7684\u5de5\u4f5c\u91cf\u3002<\/p>\n

                        \ud83d\udcc8 \u6269\u5c55\u4e0e\u6f14\u8fdb<\/h2>\n

                        \u6a21\u5f0f\u4f1a\u6f14\u8fdb\u3002\u9700\u6c42\u4f1a\u53d8\u5316\u3002\u4eca\u5929\u9002\u7528\u7684\uff0c\u660e\u5929\u53ef\u80fd\u4e0d\u518d\u9002\u7528\u3002\u4e00\u4e2a\u8bbe\u8ba1\u826f\u597d\u7684ER\u56fe\u80fd\u591f\u9884\u89c1\u589e\u957f\u3002<\/p>\n

                          \n
                        • \u53ef\u6269\u5c55\u6027\uff1a<\/strong> \u907f\u514d\u5c06\u7279\u5b9a\u529f\u80fd\u786c\u7f16\u7801\u5230\u6a21\u5f0f\u4e2d\u3002\u5bf9\u4e8e\u9ad8\u5ea6\u52a8\u6001\u7684\u9700\u6c42\uff0c\u9002\u5f53\u4f7f\u7528\u901a\u7528\u8868\u6216\u5c5e\u6027\u6a21\u5f0f\uff08\u5982EAV\uff09\u3002<\/li>\n
                        • \u7248\u672c\u63a7\u5236\uff1a<\/strong> \u8ddf\u8e2a\u6a21\u5f0f\u7684\u53d8\u5316\u3002\u8fc1\u79fb\u811a\u672c\u5e94\u4e0e\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u4e00\u8d77\u8fdb\u884c\u7248\u672c\u63a7\u5236\u3002<\/li>\n
                        • \u6587\u6863\uff1a<\/strong> \u56fe\u4fbf\u662f\u6587\u6863\u3002\u5982\u679c\u56fe\u4e0e\u6570\u636e\u5e93\u4e0d\u7b26\uff0c\u8bf7\u76f8\u4fe1\u6570\u636e\u5e93\uff0c\u4f46\u7acb\u5373\u66f4\u65b0\u56fe\u3002<\/li>\n<\/ul>\n

                          \ud83d\udd0d \u7ed3\u6784\u5b8c\u6574\u6027\u603b\u7ed3<\/h2>\n

                          \u6570\u636e\u5e93\u6a21\u5f0f\u7684\u8d28\u91cf\u76f4\u63a5\u5f71\u54cd\u4f9d\u8d56\u5b83\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u9760\u6027\u3002ER\u56fe\u4e0d\u4ec5\u4ec5\u662f\u7ed8\u56fe\uff1b\u5b83\u662f\u4e1a\u52a1\u903b\u8f91\u4e0e\u6280\u672f\u57fa\u7840\u8bbe\u65bd\u4e4b\u95f4\u7684\u5951\u7ea6\u3002\u901a\u8fc7\u4e25\u683c\u5730\u5c06\u4e1a\u52a1\u89c4\u5219\u6620\u5c04\u5230\u6280\u672f\u6a21\u5f0f\uff0c\u786e\u4fdd\u9002\u5f53\u7684\u89c4\u8303\u5316\uff0c\u5e76\u7ef4\u6301\u4e25\u683c\u7684\u5b8c\u6574\u6027\u7ea6\u675f\uff0c\u6211\u4eec\u6784\u5efa\u51fa\u5177\u6709\u97e7\u6027\u4e14\u9ad8\u6548\u7684\u7cfb\u7edf\u3002<\/p>\n

                          \u4e13\u6ce8\u4e8e\u56fe\u793a\u7684\u6e05\u6670\u6027\u3002\u4f7f\u7528\u6807\u51c6\u7b26\u53f7\uff0c\u786e\u4fdd\u4efb\u4f55\u5de5\u7a0b\u5e08\u90fd\u80fd\u8bfb\u61c2\u8bbe\u8ba1\u3002\u5e94\u4f18\u5148\u8003\u8651\u6570\u636e\u5b8c\u6574\u6027\uff0c\u800c\u975e\u77ed\u671f\u6027\u80fd\u63d0\u5347\uff0c\u56e0\u4e3a\u540e\u671f\u4fee\u590d\u5b8c\u6574\u6027\u95ee\u9898\u7684\u6210\u672c\u8fdc\u9ad8\u4e8e\u65e9\u671f\u4f18\u5316\u67e5\u8be2\u3002\u76ee\u6807\u662f\u6784\u5efa\u4e00\u4e2a\u65e2\u80fd\u6ee1\u8db3\u5f53\u524d\u4e1a\u52a1\u9700\u6c42\uff0c\u53c8\u80fd\u9002\u5e94\u672a\u6765\u53d8\u5316\u7684\u6a21\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

                          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name=\"description\" content=\"\u5b66\u4e60\u5982\u4f55\u4f7f\u7528ER\u56fe\u5c06\u4e1a\u52a1\u89c4\u5219\u8f6c\u5316\u4e3a\u6280\u672f\u6570\u636e\u5e93\u6a21\u5f0f\u3002\u4e00\u4efd\u5173\u4e8e\u6570\u636e\u5efa\u6a21\u4e0e\u5173\u7cfb\u7684\u5b8c\u6574\u6307\u5357\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.we-notes.com\/cn\/er-diagrams-mapping-business-rules-to-schemas\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ER\u56fe\u6307\u5357\uff1a\u5c06\u4e1a\u52a1\u89c4\u5219\u6620\u5c04\u5230\u6a21\u5f0f\" \/>\n<meta property=\"og:description\" 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