{"id":1560,"date":"2026-03-26T10:18:03","date_gmt":"2026-03-26T10:18:03","guid":{"rendered":"https:\/\/www.viz-read.com\/tw\/erd-explained-beginner-guide\/"},"modified":"2026-03-26T10:18:03","modified_gmt":"2026-03-26T10:18:03","slug":"erd-explained-beginner-guide","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/tw\/erd-explained-beginner-guide\/","title":{"rendered":"ERD \u89e3\u91cb\uff1a\u521d\u5b78\u8005\u638c\u63e1\u8cc7\u6599\u5eab\u8a2d\u8a08\u7684\u6e05\u6670\u8def\u5f91"},"content":{"rendered":"

\u5efa\u7acb\u7a69\u5065\u7684\u8cc7\u6599\u7d50\u69cb\u662f\u4efb\u4f55\u53ef\u9760\u8edf\u9ad4\u61c9\u7528\u7684\u57fa\u790e\u3002\u7576\u60a8\u958b\u59cb\u5efa\u69cb\u5132\u5b58\u8cc7\u8a0a\u7684\u7cfb\u7d71\u6642\uff0c\u9700\u8981\u4e00\u4efd\u85cd\u5716\u3002\u9019\u4efd\u85cd\u5716\u5c31\u662f\u5be6\u9ad4\u95dc\u4fc2\u5716\uff0c\u901a\u5e38\u7a31\u70ba ERD\u3002\u9019\u7a2e\u8996\u89ba\u5316\u8868\u793a\u65b9\u5f0f\u8b93\u958b\u767c\u4eba\u54e1\u8207\u5229\u5bb3\u95dc\u4fc2\u4eba\u80fd\u5728\u64b0\u5beb\u4efb\u4f55\u7a0b\u5f0f\u78bc\u4e4b\u524d\uff0c\u7406\u89e3\u8cc7\u6599\u4e4b\u9593\u7684\u9023\u7d50\u65b9\u5f0f\u3002\u82e5\u7f3a\u5c11\u9019\u9805\u898f\u5283\u968e\u6bb5\uff0c\u8cc7\u6599\u5eab\u5f80\u5f80\u6703\u8b8a\u5f97\u96dc\u4e82\u3001\u7de9\u6162\u4e14\u96e3\u4ee5\u7dad\u8b77\u3002 \ud83c\udfd7\ufe0f<\/p>\n

\u672c\u6307\u5357\u5c07\u5256\u6790 ERD \u8a2d\u8a08\u7684\u6838\u5fc3\u539f\u5247\u3002\u6211\u5011\u5c07\u63a2\u8a0e\u57fa\u672c\u5143\u4ef6\u3001\u8cc7\u6599\u95dc\u4fc2\u7684\u898f\u5247\uff0c\u4ee5\u53ca\u5efa\u7acb\u53ef\u64f4\u5c55\u67b6\u69cb\u6240\u9700\u7684\u908f\u8f2f\u6b65\u9a5f\u3002\u7121\u8ad6\u60a8\u662f\u5b78\u751f\u3001\u521d\u7d1a\u958b\u767c\u4eba\u54e1\uff0c\u9084\u662f\u7522\u54c1\u7d93\u7406\uff0c\u7406\u89e3\u9019\u4e9b\u6982\u5ff5\u90fd\u80fd\u78ba\u4fdd\u60a8\u7684\u8cc7\u6599\u67b6\u69cb\u9577\u671f\u4fdd\u6301\u7a69\u5065\u3002<\/p>\n

\n
\"Chalkboard-style<\/figure>\n<\/div>\n

\u4ec0\u9ebc\u662f ERD \u5462\uff1f \ud83e\udd14<\/h2>\n

\u5be6\u9ad4\u95dc\u4fc2\u5716\u662f\u4e00\u7a2e\u9ad8\u968e\u6a21\u578b\uff0c\u7528\u65bc\u63cf\u8ff0\u8cc7\u6599\u5eab\u7684\u7d50\u69cb\u3002\u5b83\u6a19\u793a\u51fa\u4ee3\u8868\u73fe\u5be6\u4e16\u754c\u7269\u4ef6\u6216\u6982\u5ff5\u7684\u5be6\u9ad4\uff0c\u4ee5\u53ca\u5b83\u5011\u4e4b\u9593\u5b58\u5728\u7684\u95dc\u4fc2\u3002\u53ef\u5c07\u5176\u8996\u70ba\u8cc7\u6599\u7684\u5730\u5716\u3002\u5982\u540c\u57ce\u5e02\u5730\u5716\u986f\u793a\u9023\u63a5\u793e\u5340\u7684\u9053\u8def\uff0cERD \u5247\u986f\u793a\u9023\u63a5\u7279\u5b9a\u8cc7\u6599\u9ede\u7684\u8cc7\u6599\u8868\u3002<\/p>\n

\u6b64\u5716\u8868\u7684\u4e3b\u8981\u76ee\u6a19\u662f\u50b3\u9054\u8cc7\u6599\u5eab\u7684\u908f\u8f2f\u7d50\u69cb\u3002\u5b83\u5728\u6280\u8853\u5718\u968a\u8207\u696d\u52d9\u5206\u6790\u5e2b\u4e4b\u9593\u626e\u6f14\u8457\u901a\u7528\u8a9e\u8a00\u7684\u89d2\u8272\u3002\u900f\u904e\u8996\u89ba\u5316\u8cc7\u6599\u6d41\uff0c\u60a8\u80fd\u53ca\u65e9\u767c\u73fe\u6f5b\u5728\u554f\u984c\uff0c\u4f8b\u5982\u91cd\u8907\u8cc7\u6599\u6216\u907a\u6f0f\u7684\u9023\u7d50\u3002\u9019\u7a2e\u4e3b\u52d5\u5f0f\u65b9\u6cd5\u80fd\u5728\u958b\u767c\u968e\u6bb5\u7bc0\u7701\u5927\u91cf\u6642\u9593\u3002<\/p>\n

\u4f7f\u7528 ERD \u7684\u4e3b\u8981\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n

    \n
  • \u6e05\u6670\u6027\uff1a<\/strong>\u5c07\u8907\u96dc\u7684\u8cc7\u6599\u7d50\u69cb\u8996\u89ba\u5316\uff0c\u4f7f\u5176\u66f4\u6613\u65bc\u7406\u89e3\u3002<\/li>\n
  • \u4e00\u81f4\u6027\uff1a<\/strong>\u78ba\u4fdd\u6240\u6709\u5718\u968a\u6210\u54e1\u5c0d\u8cc7\u6599\u7684\u5b9a\u7fa9\u9054\u6210\u5171\u8b58\u3002<\/li>\n
  • \u6548\u7387\uff1a<\/strong>\u900f\u904e\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u9023\u63a5\uff0c\u5354\u52a9\u512a\u5316\u67e5\u8a62\u6548\u80fd\u3002<\/li>\n
  • \u6587\u4ef6\u5316\uff1a<\/strong>\u53ef\u4f5c\u70ba\u672a\u4f86\u7dad\u8b77\u7684\u53c3\u8003\u6307\u5357\u3002<\/li>\n<\/ul>\n

    \u8cc7\u6599\u5eab\u7d50\u69cb\u7684\u6838\u5fc3\u5143\u4ef6 \ud83d\udd11<\/h2>\n

    \u8981\u6709\u6548\u5efa\u7acb\u5716\u8868\uff0c\u60a8\u5fc5\u9808\u7406\u89e3\u57fa\u672c\u69cb\u6210\u8981\u7d20\u3002\u6bcf\u500b\u5716\u8868\u90fd\u4f9d\u8cf4\u65bc\u4e09\u500b\u4e3b\u8981\u5143\u7d20\uff1a\u5be6\u9ad4\u3001\u5c6c\u6027\u8207\u95dc\u4fc2\u3002\u638c\u63e1\u9019\u4e9b\u57fa\u790e\uff0c\u80fd\u70ba\u4efb\u4f55\u8cc7\u6599\u5eab\u5c08\u6848\u63d0\u4f9b\u5fc5\u8981\u7684\u67b6\u69cb\u3002<\/p>\n

    1. \u5be6\u9ad4\uff1a\u8cc7\u6599\u8868 \ud83d\udce6<\/h3>\n

    \u5be6\u9ad4\u4ee3\u8868\u5546\u696d\u9818\u57df\u5167\u7684\u7279\u5b9a\u7269\u4ef6\u3001\u4eba\u7269\u6216\u6982\u5ff5\u3002\u5728\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u4e2d\uff0c\u5be6\u9ad4\u5c0d\u61c9\u81f3\u4e00\u5f35\u8cc7\u6599\u8868\u3002\u6bcf\u5f35\u8cc7\u6599\u8868\u5132\u5b58\u95dc\u65bc\u8a72\u5be6\u9ad4\u7684\u7368\u7279\u8cc7\u8a0a\u3002\u4f8b\u5982\uff0c\u5728\u5716\u66f8\u9928\u7cfb\u7d71\u4e2d\uff0c\u300c\u66f8\u7c4d\u300d\u8207\u300c\u6703\u54e1\u300d\u662f\u5169\u500b\u4e0d\u540c\u7684\u5be6\u9ad4\u3002<\/p>\n

    \u5be6\u9ad4\u5728\u5716\u8868\u4e2d\u901a\u5e38\u4ee5\u77e9\u5f62\u8868\u793a\u3002\u61c9\u4f7f\u7528\u55ae\u6578\u540d\u8a5e\u547d\u540d\uff0c\u4ee5\u8868\u793a\u55ae\u4e00\u5be6\u4f8b\u3002\u5b9a\u7fa9\u5be6\u9ad4\u6642\uff0c\u5176\u5be6\u8cea\u4e0a\u662f\u5728\u5b9a\u7fa9\u4e00\u985e\u8cc7\u6599\u3002<\/p>\n

      \n
    • \u5f37\u5be6\u9ad4\uff1a<\/strong> \u5b83\u5011\u7368\u7acb\u5b58\u5728\u3002\u5373\u4f7f\u6c92\u6709\u5176\u4ed6\u8cc7\u6599\u8868\uff0c\u300c\u9867\u5ba2\u300d\u8cc7\u6599\u8868\u4f9d\u7136\u5b58\u5728\u3002<\/li>\n
    • \u5f31\u5be6\u9ad4\uff1a<\/strong> \u5b83\u5011\u7684\u5b58\u5728\u4f9d\u8cf4\u65bc\u53e6\u4e00\u500b\u5be6\u9ad4\u3002\u4f8b\u5982\u300c\u8a02\u55ae\u9805\u76ee\u300d\u53ef\u80fd\u662f\u4e00\u500b\u5f31\u5be6\u9ad4\uff0c\u56e0\u70ba\u5b83\u5fc5\u9808\u4f9d\u8cf4\u300c\u8a02\u55ae\u300d\u624d\u80fd\u6210\u7acb\u3002<\/li>\n<\/ul>\n

      2. \u5c6c\u6027\uff1a\u6b04\u4f4d \ud83d\udcdd<\/h3>\n

      \u5c6c\u6027\u662f\u63cf\u8ff0\u5be6\u9ad4\u7684\u6027\u8cea\u6216\u7279\u5fb5\u3002\u5728\u8cc7\u6599\u5eab\u8cc7\u6599\u8868\u4e2d\uff0c\u9019\u4e9b\u8f49\u5316\u70ba\u6b04\u4f4d\u3002\u4f8b\u5982\uff0c\u300c\u9867\u5ba2\u300d\u5be6\u9ad4\u53ef\u80fd\u5177\u6709\u59d3\u540d\u3001\u96fb\u5b50\u90f5\u4ef6\u548c\u96fb\u8a71\u865f\u78bc\u7b49\u5c6c\u6027\u3002<\/p>\n

      \u5c6c\u6027\u53ef\u5206\u70ba\u5e7e\u7a2e\u985e\u578b\uff1a<\/p>\n

        \n
      • \u7c21\u55ae\u5c6c\u6027\uff1a<\/strong>\u7121\u6cd5\u518d\u9032\u4e00\u6b65\u5206\u5272\uff0c\u4f8b\u5982\u5e74\u9f61\u6216\u51fa\u751f\u65e5\u671f\u3002<\/li>\n
      • \u8907\u5408\u5c6c\u6027\uff1a<\/strong> \u53ef\u4ee5\u5206\u6210\u5b50\u90e8\u5206\uff0c\u4f8b\u5982\u5730\u5740\uff08\u8857\u9053\u3001\u57ce\u5e02\u3001\u90ae\u653f\u7f16\u7801\uff09\u3002<\/li>\n
      • \u591a\u503c\u5c6c\u6027\uff1a<\/strong> \u53ef\u4ee5\u5305\u542b\u591a\u500b\u503c\uff0c\u4f8b\u5982\u6280\u80fd\u6216\u96fb\u8a71\u865f\u78bc\u3002<\/li>\n
      • \u884d\u751f\u5c6c\u6027\uff1a<\/strong> \u7531\u5176\u4ed6\u5c6c\u6027\u8a08\u7b97\u5f97\u51fa\uff0c\u4f8b\u5982\u5e74\u9f61\uff08\u7531\u51fa\u751f\u65e5\u671f\u63a8\u5c0e\uff09\u3002<\/li>\n<\/ul>\n

        3. \u95dc\u4fc2\uff1a\u9023\u7d50 \ud83d\udd04<\/h3>\n

        \u95dc\u4fc2\u5b9a\u7fa9\u4e86\u5be6\u9ad4\u4e4b\u9593\u5982\u4f55\u4e92\u52d5\u3002\u9019\u662f\u8a2d\u8a08\u4e2d\u6700\u95dc\u9375\u7684\u90e8\u5206\uff0c\u56e0\u70ba\u5b83\u6c7a\u5b9a\u4e86\u8cc7\u6599\u5982\u4f55\u9023\u7d50\u3002\u5728\u5716\u8868\u4e2d\uff0c\u95dc\u4fc2\u4ee5\u83f1\u5f62\u6216\u9023\u63a5\u5be6\u9ad4\u7684\u7dda\u689d\u8868\u793a\u3002<\/p>\n

        \u4f8b\u5982\uff0c\u300c\u5ba2\u6236\u300d\u4e0b\u4e86\u4e00\u500b\u300c\u8a02\u55ae\u300d\u3002\u9019\u5c31\u662f\u4e00\u7a2e\u95dc\u4fc2\u3002\u8cc7\u6599\u5eab\u5fc5\u9808\u5f37\u5236\u57f7\u884c\u898f\u5247\uff0c\u78ba\u4fdd\u5728\u70ba\u8a02\u55ae\u5206\u914d\u5ba2\u6236\u4e4b\u524d\uff0c\u8a72\u5ba2\u6236\u5fc5\u9808\u5b58\u5728\u3002\u9019\u53ef\u9632\u6b62\u51fa\u73fe\u5b64\u7acb\u8cc7\u6599\u3002<\/p>\n

        \u7406\u89e3\u57fa\u6578\u8207\u6a21\u614b\u6027 \ud83d\udccf<\/h2>\n

        \u57fa\u6578\u5b9a\u7fa9\u4e86\u5169\u500b\u76f8\u95dc\u8868\u683c\u4e2d\u8a18\u9304\u4e4b\u9593\u7684\u6578\u503c\u95dc\u4fc2\u3002\u5b83\u56de\u7b54\u4e86\u9019\u6a23\u7684\u554f\u984c\uff1a\u300c\u5be6\u9ad4 A \u7684\u591a\u5c11\u500b\u5be6\u4f8b\u8207\u5be6\u9ad4 B \u7684\u591a\u5c11\u500b\u5be6\u4f8b\u76f8\u95dc\uff1f\u300d\u7406\u89e3\u9019\u4e00\u9ede\u53ef\u4ee5\u9632\u6b62\u8cc7\u6599\u7570\u5e38\u3002<\/p>\n

        \u57fa\u6578\u4e3b\u8981\u6709\u4e09\u7a2e\u985e\u578b\uff1a<\/p>\n

          \n
        1. \u4e00\u5c0d\u4e00\uff081:1\uff09\uff1a<\/strong> \u8868 A \u4e2d\u7684\u4e00\u689d\u8a18\u9304\u8207\u8868 B \u4e2d\u7684\u4e00\u689d\u8a18\u9304\u5b8c\u5168\u5c0d\u61c9\u3002<\/li>\n
        2. \u4e00\u5c0d\u591a\uff081:N\uff09\uff1a<\/strong> \u8868 A \u4e2d\u7684\u4e00\u689d\u8a18\u9304\u8207\u8868 B \u4e2d\u7684\u591a\u689d\u8a18\u9304\u76f8\u95dc\u3002<\/li>\n
        3. \u591a\u5c0d\u591a\uff08M:N\uff09\uff1a<\/strong> \u8868 A \u4e2d\u7684\u591a\u689d\u8a18\u9304\u8207\u8868 B \u4e2d\u7684\u591a\u689d\u8a18\u9304\u76f8\u95dc\u3002<\/li>\n<\/ol>\n

          \u4ee5\u4e0b\u662f\u7528\u5be6\u969b\u7bc4\u4f8b\u8aaa\u660e\u9019\u4e9b\u95dc\u4fc2\u7684\u8868\u683c\u3002<\/p>\n\n\n\n\n\n\n\n
          \u57fa\u6578\u985e\u578b<\/th>\n\u7bc4\u4f8b\u60c5\u5883<\/th>\n\u5be6\u4f5c\u65b9\u5f0f<\/th>\n<\/tr>\n<\/thead>\n
          \u4e00\u5c0d\u4e00\uff081:1\uff09<\/td>\n\u54e1\u5de5\u8207\u8b77\u7167<\/td>\n\u5176\u4e2d\u4e00\u500b\u8868\u683c\u4e2d\u7684\u5916\u9375<\/td>\n<\/tr>\n
          \u4e00\u5c0d\u591a\uff081:N\uff09<\/td>\n\u90e8\u9580\u8207\u54e1\u5de5<\/td>\n\u300c\u591a\u300d\u65b9\u8868\u683c\u4e2d\u7684\u5916\u9375<\/td>\n<\/tr>\n
          \u591a\u5c0d\u591a\uff08M:N\uff09<\/td>\n\u5b78\u751f\u8207\u8ab2\u7a0b<\/td>\n\u4e2d\u9593\u95dc\u806f\u8868\u683c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u6a21\u614b\u6027\u589e\u52a0\u4e86\u53e6\u4e00\u5c64\u7d30\u7bc0\u3002\u5b83\u6307\u5b9a\u4e86\u95dc\u4fc2\u662f\u5f37\u5236\u6027\u7684\u9084\u662f\u53ef\u9078\u7684\u3002\u4f8b\u5982\uff0c\u8a02\u55ae\u80fd\u5426\u5728\u6c92\u6709\u5ba2\u6236\u7684\u60c5\u6cc1\u4e0b\u5b58\u5728\uff1f\u901a\u5e38\u4e0d\u80fd\u3002\u9019\u662f\u4e00\u7a2e\u5f37\u5236\u6027\u95dc\u4fc2\u3002\u5ba2\u6236\u80fd\u5426\u6c92\u6709\u4efb\u4f55\u8a02\u55ae\uff1f\u53ef\u4ee5\uff0c\u9019\u662f\u4e00\u7a2e\u53ef\u9078\u95dc\u4fc2\u3002<\/p>\n

          \u9375\uff1a\u8cc7\u6599\u5b8c\u6574\u6027\u7684\u9ecf\u5408\u5291 \ud83d\udd17<\/h2>\n

          \u9375\u662f\u7528\u65bc\u552f\u4e00\u8b58\u5225\u8a18\u9304\u6216\u9023\u7d50\u8868\u683c\u7684\u7279\u5b9a\u5c6c\u6027\u3002\u5b83\u5011\u662f\u5f37\u5236\u95dc\u4fc2\u4e26\u7dad\u6301\u8cc7\u6599\u5b8c\u6574\u6027\u7684\u6a5f\u5236\u3002<\/p>\n

          \u4e3b\u9375<\/h3>\n

          \u4e3b\u9375\uff08PK\uff09\u552f\u4e00\u8b58\u5225\u8868\u683c\u4e2d\u7684\u6bcf\u4e00\u7b46\u8a18\u9304\u3002\u6c92\u6709\u5169\u884c\u53ef\u4ee5\u5177\u6709\u76f8\u540c\u7684\u4e3b\u9375\u503c\u3002\u5b83\u4e0d\u80fd\u70ba\u7a7a\u3002\u5e38\u898b\u7684\u9078\u64c7\u5305\u62ec\u81ea\u52d5\u905e\u589e\u7684\u6574\u6578\u6216 UUID\u3002\u9019\u78ba\u4fdd\u4e86\u6bcf\u7b46\u8cc7\u6599\u90fd\u6709\u4e00\u500b\u552f\u4e00\u7684\u5730\u5740\u3002<\/p>\n

          \u5916\u9375<\/h3>\n

          \u5916\u9375\uff08FK\uff09\u662f\u67d0\u4e00\u8868\u683c\u4e2d\u7684\u6b04\u4f4d\uff0c\u6307\u5411\u53e6\u4e00\u500b\u8868\u683c\u7684\u4e3b\u9375\u3002\u5b83\u5efa\u7acb\u4e86\u5169\u8005\u4e4b\u9593\u7684\u9023\u7d50\u3002\u7576\u60a8\u5b9a\u7fa9\u5916\u9375\u6642\uff0c\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u6703\u5f37\u5236\u57f7\u884c\u53c3\u7167\u5b8c\u6574\u6027\u3002\u9019\u610f\u5473\u8457\u60a8\u7121\u6cd5\u65b0\u589e\u4e00\u500b\u5916\u9375\u503c\u4e0d\u5b58\u5728\u65bc\u7236\u8868\u683c\u4e2d\u7684\u8a18\u9304\u3002<\/p>\n

          \u8907\u5408\u9375<\/h3>\n

          \u6709\u6642\uff0c\u55ae\u4e00\u6b04\u4f4d\u4e0d\u8db3\u4ee5\u552f\u4e00\u8b58\u5225\u4e00\u7b46\u8a18\u9304\u3002\u8907\u5408\u9375\u5c07\u5169\u500b\u6216\u591a\u500b\u6b04\u4f4d\u7d50\u5408\uff0c\u5f62\u6210\u552f\u4e00\u7684\u8b58\u5225\u78bc\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u591a\u5c0d\u591a\u95dc\u4fc2\u7684\u95dc\u806f\u8868\u683c\u4e2d\u3002<\/p>\n

          \u898f\u7bc4\u5316\uff1a\u6574\u7406\u60a8\u7684\u8cc7\u6599 \ud83e\uddf9<\/h2>\n

          \u898f\u7bc4\u5316\u662f\u5c07\u8cc7\u6599\u7d44\u7e54\u4ee5\u6e1b\u5c11\u5197\u9918\u4e26\u63d0\u5347\u5b8c\u6574\u6027\u7684\u4e00\u500b\u904e\u7a0b\u3002\u5b83\u6d89\u53ca\u5c07\u5927\u578b\u8868\u683c\u62c6\u5206\u70ba\u8f03\u5c0f\u4e14\u908f\u8f2f\u4e0a\u76f8\u95dc\u7684\u8868\u683c\u3002\u9075\u5faa\u9019\u4e9b\u898f\u5247\u6709\u52a9\u65bc\u907f\u514d\u5728\u66f4\u65b0\u3001\u63d2\u5165\u6216\u522a\u9664\u6642\u51fa\u73fe\u7570\u5e38\u3002<\/p>\n

          \u5b58\u5728\u591a\u7a2e\u898f\u7bc4\u5f62\u5f0f\uff0c\u4f46\u524d\u4e09\u5927\u5f62\u5f0f\u6700\u5e38\u88ab\u61c9\u7528\uff1a<\/p>\n

            \n
          • \u7b2c\u4e00\u7bc4\u5f0f\uff081NF\uff09\uff1a<\/strong>\u5f9e\u540c\u4e00\u8868\u683c\u4e2d\u6d88\u9664\u91cd\u8907\u7684\u6b04\u4f4d\u3002\u70ba\u76f8\u95dc\u8cc7\u6599\u5efa\u7acb\u7368\u7acb\u7684\u8868\u683c\uff0c\u4e26\u4f7f\u7528\u4e3b\u9375\u8b58\u5225\u6bcf\u4e00\u5217\u3002<\/li>\n
          • \u7b2c\u4e8c\u7bc4\u5f0f\uff082NF\uff09\uff1a<\/strong>\u6eff\u8db3 1NF \u7684\u6240\u6709\u8981\u6c42\u3002\u79fb\u9664\u9069\u7528\u65bc\u8868\u683c\u4e2d\u591a\u884c\u7684\u8cc7\u6599\u5b50\u96c6\uff0c\u4e26\u5c07\u5b83\u5011\u653e\u7f6e\u5728\u7368\u7acb\u7684\u8868\u683c\u4e2d\u3002<\/li>\n
          • \u7b2c\u4e09\u7bc4\u5f0f\uff083NF\uff09\uff1a<\/strong>\u6eff\u8db3 2NF \u7684\u6240\u6709\u8981\u6c42\u3002\u79fb\u9664\u8207\u4e3b\u9375\u7121\u95dc\u7684\u6b04\u4f4d\u3002<\/li>\n<\/ul>\n

            \u96d6\u7136\u5b58\u5728\u66f4\u9ad8\u968e\u7684\u5f62\u5f0f\uff084NF\u30015NF\uff09\uff0c\u4f46\u5927\u591a\u6578\u61c9\u7528\u7a0b\u5f0f\u9054\u5230 3NF \u901a\u5e38\u5df2\u8db3\u5920\u3002\u904e\u5ea6\u898f\u7bc4\u5316\u53ef\u80fd\u5c0e\u81f4\u9700\u8981\u5927\u91cf\u9023\u63a5\u7684\u8907\u96dc\u67e5\u8a62\uff0c\u9032\u800c\u5f71\u97ff\u6548\u80fd\u3002\u5e73\u8861\u624d\u662f\u95dc\u9375\u3002<\/p>\n

            \u5efa\u7acb\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u6b65\u9a5f \ud83d\udee0\ufe0f<\/h2>\n

            \u8a2d\u8a08\u5716\u8868\u662f\u4e00\u500b\u7cfb\u7d71\u6027\u7684\u904e\u7a0b\u3002\u60a8\u4e26\u975e\u5f9e\u7e6a\u88fd\u5f62\u72c0\u958b\u59cb\uff1b\u800c\u662f\u5f9e\u7406\u89e3\u9700\u6c42\u958b\u59cb\u3002\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff0c\u4ee5\u5efa\u7acb\u53ef\u9760\u7684\u6a21\u578b\u3002<\/p>\n

            \u6b65\u9a5f 1\uff1a\u8b58\u5225\u5be6\u9ad4<\/h3>\n

            \u6aa2\u8996\u696d\u52d9\u9700\u6c42\u3002\u5728\u63cf\u8ff0\u4e2d\u5c0b\u627e\u4ee3\u8868\u7269\u4ef6\u6216\u4eba\u7269\u7684\u540d\u8a5e\u3002\u5982\u679c\u9700\u6c42\u6307\u51fa\u300c\u8ffd\u8e64\u6bcf\u4f4d\u4f7f\u7528\u8005\u7684\u767b\u5165\u300d\uff0c\u5247\u5be6\u9ad4\u70ba\u300c\u4f7f\u7528\u8005\u300d\u6216\u300c\u767b\u5165\u300d\u3002\u5217\u51fa\u6240\u6709\u53ef\u80fd\u7684\u5be6\u9ad4\u3002<\/p>\n

            \u6b65\u9a5f 2\uff1a\u5b9a\u7fa9\u5c6c\u6027<\/h3>\n

            \u91dd\u5c0d\u6bcf\u500b\u5be6\u9ad4\uff0c\u78ba\u5b9a\u9700\u8981\u5132\u5b58\u54ea\u4e9b\u8cc7\u8a0a\u3002\u554f\u554f\u81ea\u5df1\uff0c\u54ea\u4e9b\u7d30\u7bc0\u662f\u5b8c\u6574\u63cf\u8ff0\u8a72\u5be6\u9ad4\u6240\u5fc5\u9700\u7684\u3002\u5c0d\u65bc\u300c\u4f7f\u7528\u8005\u300d\u5be6\u9ad4\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u8005\u540d\u7a31\u3001\u5bc6\u78bc\u548c\u96fb\u5b50\u90f5\u4ef6\u3002<\/p>\n

            \u6b65\u9a5f 3\uff1a\u78ba\u5b9a\u95dc\u4fc2<\/h3>\n

            \u6839\u64da\u5be6\u9ad4\u4e4b\u9593\u7684\u4e92\u52d5\u65b9\u5f0f\u4f86\u9023\u7d50\u5b83\u5011\u3002\u554f\u554f\u5b83\u5011\u4e4b\u9593\u7684\u95dc\u4fc2\u662f\u4ec0\u9ebc\u3002\u4e00\u500b\u4f7f\u7528\u8005\u662f\u5426\u6709\u591a\u7b46\u767b\u5165\uff1f\u4e00\u500b\u7522\u54c1\u662f\u5426\u5c6c\u65bc\u4e00\u500b\u5206\u985e\uff1f\u7e6a\u88fd\u9023\u7dda\u4e26\u5b9a\u7fa9\u57fa\u6578\u3002<\/p>\n

            \u6b65\u9a5f 4\uff1a\u6307\u6d3e\u9375<\/h3>\n

            \u70ba\u6bcf\u500b\u5be6\u9ad4\u8b58\u5225\u4e3b\u9375\u3002\u7136\u5f8c\uff0c\u5728\u5b58\u5728\u95dc\u4fc2\u7684\u5730\u65b9\u52a0\u5165\u5916\u9375\u3002\u9019\u4e00\u6b65\u9a5f\u5c07\u6982\u5ff5\u5716\u8f49\u63db\u70ba\u53ef\u57f7\u884c\u7684\u908f\u8f2f\u7d50\u69cb\u3002<\/p>\n

            \u6b65\u9a5f 5\uff1a\u5be9\u67e5\u8207\u512a\u5316<\/h3>\n

            \u8207\u5229\u76ca\u76f8\u95dc\u8005\u4e00\u8d77\u8d70\u904e\u6a21\u578b\u3002\u6aa2\u67e5\u662f\u5426\u6709\u907a\u6f0f\u7684\u8cc7\u6599\u9ede\u6216\u932f\u8aa4\u7684\u95dc\u4fc2\u3002\u78ba\u4fdd\u8a2d\u8a08\u80fd\u652f\u63f4\u9810\u671f\u7684\u67e5\u8a62\u3002\u4e0d\u65b7\u512a\u5316\u5716\u8868\uff0c\u76f4\u5230\u6eff\u8db3\u6240\u6709\u696d\u52d9\u9700\u6c42\u3002<\/p>\n

            \u61c9\u907f\u514d\u7684\u5e38\u898b\u9677\u9631 \u26a0\ufe0f<\/h2>\n

            \u5373\u4f7f\u662f\u7d93\u9a57\u8c50\u5bcc\u7684\u8a2d\u8a08\u5e2b\u4e5f\u6703\u72af\u932f\u3002\u4e86\u89e3\u5e38\u898b\u932f\u8aa4\u80fd\u5e6b\u52a9\u4f60\u5efa\u7acb\u66f4\u4e7e\u6de8\u7684\u7cfb\u7d71\u3002\u4ee5\u4e0b\u662f\u5728\u8a2d\u8a08\u968e\u6bb5\u61c9\u7559\u610f\u7684\u554f\u984c\u3002<\/p>\n

              \n
            • \u907a\u6f0f\u7684\u95dc\u4fc2\uff1a<\/strong> \u5fd8\u8a18\u9023\u7d50\u8868\u683c\u6703\u5c0e\u81f4\u8cc7\u6599\u5b64\u5cf6\uff0c\u4f7f\u5f97\u8cc7\u8a0a\u7121\u6cd5\u6574\u5408\u3002<\/li>\n
            • \u91cd\u8907\u8cc7\u6599\uff1a<\/strong> \u5728\u591a\u500b\u8868\u683c\u4e2d\u5132\u5b58\u76f8\u540c\u8cc7\u8a0a\u6703\u589e\u52a0\u5132\u5b58\u7a7a\u9593\u9700\u6c42\uff0c\u4e26\u63d0\u9ad8\u8cc7\u6599\u4e0d\u4e00\u81f4\u7684\u98a8\u96aa\u3002<\/li>\n
            • \u932f\u8aa4\u7684\u57fa\u6578\uff1a<\/strong> \u5c07\u61c9\u70ba\u591a\u5c0d\u591a\u7684\u95dc\u4fc2\u8a2d\u70ba\u4e00\u5c0d\u591a\uff0c\u6703\u5c0e\u81f4\u9a57\u8b49\u932f\u8aa4\u3002<\/li>\n
            • \u547d\u540d\u885d\u7a81\uff1a<\/strong> \u4f7f\u7528\u300cData1\u300d\u6216\u300cTableA\u300d\u7b49\u6a21\u7cca\u540d\u7a31\u6703\u8b93\u5f8c\u7e8c\u7684\u8cc7\u6599\u7d50\u69cb\u96e3\u4ee5\u7406\u89e3\u3002<\/li>\n
            • \u5ffd\u7565\u53ef\u7a7a\u6027\uff1a<\/strong> \u672a\u660e\u78ba\u6307\u5b9a\u6b04\u4f4d\u662f\u5426\u5141\u8a31\u7a7a\u503c\uff0c\u53ef\u80fd\u5728\u8cc7\u6599\u8f38\u5165\u6642\u5c0e\u81f4\u610f\u5916\u932f\u8aa4\u3002<\/li>\n<\/ul>\n

              \u8996\u89ba\u7b26\u865f \ud83c\udfa8<\/h2>\n

              \u4e0d\u540c\u5718\u968a\u4f7f\u7528\u4e0d\u540c\u7684\u98a8\u683c\u4f86\u7e6a\u88fd\u5be6\u9ad4\u95dc\u4fc2\u5716\u3002\u6700\u5e38\u898b\u7684\u5169\u7a2e\u6a19\u6e96\u662f\u70cf\u9d09\u8db3\u7b26\u865f\u8207\u9673\u6c0f\u7b26\u865f\u3002<\/p>\n

                \n
              • \u70cf\u9d09\u8db3\u7b26\u865f\uff1a<\/strong> \u4f7f\u7528\u5e36\u6709\u7279\u5b9a\u672b\u7aef\u7684\u7dda\u689d\u4f86\u8868\u793a\u57fa\u6578\u3002\u55ae\u7dda\u4ee3\u8868\u4e00\uff0c\u5206\u53c9\u7dda\u4ee3\u8868\u591a\u3002\u9019\u7a2e\u7b26\u865f\u5728\u73fe\u4ee3\u5de5\u5177\u4e2d\u5ee3\u6cdb\u4f7f\u7528\u3002<\/li>\n
              • \u9673\u6c0f\u7b26\u865f\uff1a<\/strong> \u4f7f\u7528\u83f1\u5f62\u8868\u793a\u95dc\u4fc2\uff0c\u6a62\u5713\u8868\u793a\u5c6c\u6027\u3002\u96d6\u7136\u66f4\u8a73\u7d30\uff0c\u4f46\u5728\u8907\u96dc\u7cfb\u7d71\u4e2d\u53ef\u80fd\u8b8a\u5f97\u6df7\u4e82\u3002<\/li>\n<\/ul>\n

                \u7121\u8ad6\u4f7f\u7528\u54ea\u7a2e\u7b26\u865f\uff0c\u6e05\u6670\u5ea6\u90fd\u662f\u6700\u91cd\u8981\u7684\u3002\u5716\u8868\u61c9\u8b93\u5c08\u6848\u4e2d\u4efb\u4f55\u53c3\u8207\u8005\u90fd\u80fd\u8f15\u6613\u95b1\u8b80\uff0c\u800c\u4e0d\u50c5\u50c5\u662f\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u3002<\/p>\n

                \u5f9e\u6982\u5ff5\u5230\u5be6\u969b\u5be6\u73fe \ud83d\ude80<\/h2>\n

                \u908f\u8f2f\u8a2d\u8a08\u5b8c\u6210\u5f8c\uff0c\u5fc5\u9808\u8f49\u63db\u70ba\u5be6\u969b\u8cc7\u6599\u5eab\u3002\u9019\u5305\u62ec\u9078\u64c7\u8cc7\u6599\u985e\u578b\u4e26\u91dd\u5c0d\u6548\u80fd\u9032\u884c\u512a\u5316\u3002<\/p>\n

                \u5728\u6b64\u968e\u6bb5\uff0c\u60a8\u9700\u70ba\u5c6c\u6027\u9078\u64c7\u7279\u5b9a\u7684\u8cc7\u6599\u985e\u578b\u3002\u4f8b\u5982\uff0c\u65e5\u671f\u6b04\u4f4d\u61c9\u4f7f\u7528\u65e5\u671f\u985e\u578b\uff0c\u800c\u975e\u5b57\u4e32\u3002\u50f9\u683c\u6b04\u4f4d\u61c9\u4f7f\u7528\u5341\u9032\u4f4d\u985e\u578b\uff0c\u800c\u975e\u6574\u6578\u985e\u578b\uff0c\u4ee5\u8655\u7406\u5c0f\u6578\u3002\u9019\u4e9b\u9078\u64c7\u6703\u5f71\u97ff\u5132\u5b58\u7a7a\u9593\u5927\u5c0f\u8207\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n

                \u7d22\u5f15\u4e5f\u81f3\u95dc\u91cd\u8981\u3002\u5728\u7d93\u5e38\u641c\u5c0b\u7684\u6b04\u4f4d\uff08\u5c24\u5176\u662f\u5916\u9375\uff09\u4e0a\u5efa\u7acb\u7d22\u5f15\uff0c\u53ef\u52a0\u5feb\u6aa2\u7d22\u901f\u5ea6\u3002\u7136\u800c\uff0c\u904e\u591a\u7684\u7d22\u5f15\u6703\u62d6\u6162\u5beb\u5165\u64cd\u4f5c\u3002\u9700\u70ba\u60a8\u7684\u5de5\u4f5c\u8ca0\u8f09\u627e\u5230\u9069\u7576\u7684\u5e73\u8861\u9ede\u3002<\/p>\n

                \u70ba\u4ec0\u9ebc\u898f\u5283\u6bd4\u901f\u5ea6\u66f4\u91cd\u8981 \u23f3<\/h2>\n

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