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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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        \u5c5e\u6027\u5206\u7c7b<\/h3>\n

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        \u7c7b\u578b<\/th>\n\u63cf\u8ff0<\/th>\n\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
        \u7b80\u5355<\/td>\n\u4e0d\u80fd\u518d\u8fdb\u4e00\u6b65\u7ec6\u5206\u3002\u5b83\u662f\u539f\u5b50\u7684\u3002<\/td>\n\u7535\u8bdd\u53f7\u7801<\/td>\n<\/tr>\n
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        \u5c5e\u6027\u7684\u6700\u4f73\u5b9e\u8df5<\/h3>\n

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          \n
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          \u57fa\u6570<\/h3>\n

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            \n
          • \u4e00\u5bf9\u4e00\uff081:1\uff09\uff1a<\/strong> \u5b9e\u4f53A\u7684\u4e00\u4e2a\u5b9e\u4f8b\u4e0e\u5b9e\u4f53B\u7684\u4e00\u4e2a\u5b9e\u4f8b\u5b8c\u5168\u5bf9\u5e94\u3002\u8fd9\u79cd\u60c5\u51b5\u5f88\u5c11\u89c1\uff0c\u4f46\u4f8b\u5982\u7528\u6237\u62e5\u6709\u4e00\u4e2a\u4e2a\u4eba\u8d44\u6599\u65f6\u4f1a\u51fa\u73b0\u3002<\/li>\n
          • \u4e00\u5bf9\u591a\uff081:N\uff09\uff1a<\/strong> \u5b9e\u4f53A\u7684\u4e00\u4e2a\u5b9e\u4f8b\u4e0e\u5b9e\u4f53B\u7684\u591a\u4e2a\u5b9e\u4f8b\u76f8\u5173\u8054\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a \u90e8\u95e8<\/em> \u6709\u591a\u4e2a \u5458\u5de5<\/em>.<\/li>\n
          • \u591a\u5bf9\u591a\uff08M:N\uff09\uff1a<\/strong> \u5b9e\u4f53A\u7684\u591a\u4e2a\u5b9e\u4f8b\u4e0e\u5b9e\u4f53B\u7684\u591a\u4e2a\u5b9e\u4f8b\u76f8\u5173\u8054\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a \u5b66\u751f<\/em> \u53ef\u4ee5\u9009\u4fee\u591a\u4e2a \u8bfe\u7a0b<\/em>\uff0c\u4ee5\u53ca\u4e00\u4e2a\u8bfe\u7a0b<\/em>\u53ef\u4ee5\u6709\u591a\u4e2a\u5b66\u751f<\/em>.<\/li>\n<\/ul>\n

            \u53c2\u4e0e\u7ea6\u675f<\/h3>\n

            \u57fa\u6570\u544a\u8bc9\u4f60\u6570\u91cf\uff0c\u4f46\u53c2\u4e0e\u7ea6\u675f\u544a\u8bc9\u4f60\u5173\u7cfb\u662f\u5426\u4e3a\u5f3a\u5236\u6027\u7684\u3002<\/p>\n

              \n
            • \u5b8c\u5168\u53c2\u4e0e\uff1a<\/strong>\u5b9e\u4f53\u7684\u6bcf\u4e2a\u5b9e\u4f8b\u90fd\u5fc5\u987b\u53c2\u4e0e\u8be5\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u6bcf\u4e2a\u8ba2\u5355<\/em>\u5fc5\u987b\u6709\u4e00\u4e2a\u5ba2\u6237<\/em>.<\/li>\n
            • \u90e8\u5206\u53c2\u4e0e\uff1a<\/strong>\u4e00\u4e2a\u5b9e\u4f8b\u53ef\u80fd\u53c2\u4e0e\uff0c\u4e5f\u53ef\u80fd\u4e0d\u53c2\u4e0e\u8be5\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u5ba2\u6237<\/em>\u53ef\u80fd\u6709\uff0c\u4e5f\u53ef\u80fd\u6ca1\u6709\u4e00\u4e2a\u8ba2\u5355<\/em>\u5728\u67d0\u4e00\u65f6\u523b\u3002<\/li>\n<\/ul>\n

              \u5b9e\u73b0\u7b56\u7565<\/h3>\n

              \u4e0d\u540c\u7684\u57fa\u6570\u9700\u8981\u5728\u6570\u636e\u6a21\u578b\u4e2d\u91c7\u7528\u4e0d\u540c\u7684\u5b9e\u73b0\u7b56\u7565\u3002<\/p>\n\n\n\n\n\n\n\n
              \u5173\u7cfb\u7c7b\u578b<\/th>\n\u5b9e\u73b0\u65b9\u6cd5<\/th>\n\u793a\u4f8b\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n
              1:1<\/td>\n\u5408\u5e76\u8868\uff0c\u6216\u5728\u4e00\u65b9\u6dfb\u52a0\u5916\u952e\u3002<\/td>\n\u7528\u6237\u8d44\u6599\u4e0e\u7528\u6237\u8d26\u6237\u5173\u8054\u3002<\/td>\n<\/tr>\n
              1:N<\/td>\n\u5728\u201c\u591a\u201d\u65b9\u7684\u8868\u4e2d\u6dfb\u52a0\u5916\u952e\u3002<\/td>\n\u5458\u5de5\u8868\u5305\u542b\u4e00\u4e2a\u90e8\u95e8ID\uff08Dept_ID\uff09\u3002<\/td>\n<\/tr>\n
              M:N<\/td>\n\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u4e24\u4e2a\u5916\u952e\u7684\u8fde\u63a5\u8868\u3002<\/td>\n\u6ce8\u518c\u8868\uff0c\u7528\u4e8e\u8fde\u63a5\u5b66\u751f\u548c\u8bfe\u7a0b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              \u89c4\u8303\u5316\uff1a\u4e3a\u7a33\u5b9a\u6027\u800c\u6784\u5efa\u7ed3\u6784 \ud83d\udcd0<\/h2>\n

              \u867d\u7136\u5b9e\u4f53\u3001\u5c5e\u6027\u548c\u5173\u7cfb\u6784\u6210\u4e86\u7ed3\u6784\uff0c\u4f46\u89c4\u8303\u5316\u5219\u5bf9\u8fd9\u4e00\u7ed3\u6784\u8fdb\u884c\u7ec4\u7ec7\uff0c\u4ee5\u51cf\u5c11\u5197\u4f59\u5e76\u63d0\u9ad8\u5b8c\u6574\u6027\u3002\u89c4\u8303\u5316\u662f\u4e00\u7cfb\u5217\u6b65\u9aa4\uff0c\u65e8\u5728\u786e\u4fdd\u6570\u636e\u4f9d\u8d56\u5173\u7cfb\u5408\u7406\u3002<\/p>\n

              \u7b2c\u4e00\u8303\u5f0f\uff081NF\uff09<\/h3>\n

              \u57281NF\u4e2d\uff0c\u6bcf\u4e00\u5217\u90fd\u5fc5\u987b\u5305\u542b\u539f\u5b50\u503c\u3002\u4f60\u4e0d\u80fd\u5728\u4e00\u4e2a\u5355\u5143\u683c\u4e2d\u5b58\u50a8\u591a\u4e2a\u503c\u7684\u5217\u8868\u3002\u6bcf\u4e00\u884c\u90fd\u5fc5\u987b\u662f\u552f\u4e00\u7684\uff0c\u901a\u5e38\u7531\u4e3b\u952e\u5f3a\u5236\u6267\u884c\u3002\u8fd9\u6d88\u9664\u4e86\u91cd\u590d\u7ec4\u3002<\/p>\n

              \u7b2c\u4e8c\u8303\u5f0f\uff082NF\uff09<\/h3>\n

              \u4e00\u65e6\u8fbe\u52301NF\uff0c2NF\u786e\u4fdd\u6240\u6709\u975e\u952e\u5c5e\u6027\u90fd\u5b8c\u5168\u4f9d\u8d56\u4e8e\u4e3b\u952e\u3002\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u590d\u5408\u952e\uff0c\u6bcf\u4e2a\u5c5e\u6027\u90fd\u5fc5\u987b\u4f9d\u8d56\u4e8e\u6574\u4e2a\u952e\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u5176\u4e2d\u4e00\u90e8\u5206\u3002<\/p>\n

              \u7b2c\u4e09\u8303\u5f0f\uff083NF\uff09<\/h3>\n

              3NF\u6d88\u9664\u4e86\u4f20\u9012\u4f9d\u8d56\u3002\u975e\u952e\u5c5e\u6027\u4e0d\u5e94\u4f9d\u8d56\u4e8e\u5176\u4ed6\u975e\u952e\u5c5e\u6027\u3002\u4f8b\u5982\uff0c\u5982\u679c\u57ce\u5e02<\/em>\u4f9d\u8d56\u4e8e\u90ae\u653f\u7f16\u7801<\/em>\uff0c\u5e76\u4e14\u90ae\u653f\u7f16\u7801<\/em>\u4f9d\u8d56\u4e8e\u5ba2\u6237ID<\/em>\uff0c\u90a3\u4e48\u57ce\u5e02<\/em>\u4f9d\u8d56\u4e8e\u5ba2\u6237ID<\/em>\u901a\u8fc7\u4f20\u9012\u65b9\u5f0f\u4f9d\u8d56\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5e94\u5c06\u57ce\u5e02<\/em>\u79fb\u5230\u4e00\u4e2a\u72ec\u7acb\u7684\u5b9e\u4f53\u4e2d\uff0c\u6216\u786e\u4fdd\u5b83\u76f4\u63a5\u4e0e\u4e3b\u952e\u5173\u8054\u3002<\/p>\n

              \u8bbe\u8ba1\u4e2d\u7684\u5e38\u89c1\u9677\u9631 \u26a0\ufe0f<\/h2>\n

              \u5373\u4f7f\u662f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u5f00\u53d1\u4eba\u5458\u5728\u8bbe\u8ba1\u6570\u636e\u6a21\u578b\u65f6\u4e5f\u4f1a\u72af\u9519\u3002\u4e86\u89e3\u5e38\u89c1\u7684\u9677\u9631\u53ef\u4ee5\u5728\u5f00\u53d1\u9636\u6bb5\u8282\u7701\u5927\u91cf\u65f6\u95f4\u3002<\/p>\n

                \n
              • \u8fc7\u5ea6\u89c4\u8303\u5316\uff1a<\/strong>\u5c06\u6570\u636e\u62c6\u5206\u4e3a\u8fc7\u591a\u7684\u5c0f\u5b9e\u4f53\u4f1a\u4f7f\u67e5\u8be2\u53d8\u5f97\u590d\u6742\u4e14\u7f13\u6162\u3002\u5728\u8bfb\u53d6\u5bc6\u96c6\u578b\u5de5\u4f5c\u8d1f\u8f7d\u4e2d\uff0c\u6709\u65f6\u5141\u8bb8\u53bb\u89c4\u8303\u5316\u3002<\/li>\n
              • \u89c4\u8303\u5316\u4e0d\u8db3\uff1a<\/strong> \u5c06\u76f8\u540c\u7684\u6570\u636e\u5b58\u50a8\u5728\u591a\u4e2a\u4f4d\u7f6e\u4f1a\u5bfc\u81f4\u4e0d\u4e00\u81f4\u3002\u5982\u679c\u5ba2\u6237\u5730\u5740\u53d1\u751f\u53d8\u5316\uff0c\u60a8\u5fc5\u987b\u5728\u6bcf\u4e2a\u8bb0\u5f55\u4e2d\u66f4\u65b0\u5b83\u3002\u8fd9\u4f1a\u589e\u52a0\u51fa\u9519\u7684\u98ce\u9669\u3002<\/li>\n
              • \u5ffd\u7565\u6570\u636e\u7c7b\u578b\uff1a<\/strong> \u4f7f\u7528\u5b57\u7b26\u4e32\u6765\u8868\u793a\u6570\u5b57\u6216\u65e5\u671f\u4f1a\u5bfc\u81f4\u6392\u5e8f\u95ee\u9898\u548c\u9a8c\u8bc1\u9519\u8bef\u3002\u59cb\u7ec8\u5c06\u5c5e\u6027\u7c7b\u578b\u4e0e\u5b9e\u9645\u6570\u636e\u5339\u914d\u3002<\/li>\n
              • \u786c\u7f16\u7801\u503c\uff1a<\/strong> \u5982\u679c\u72b6\u6001\u7801\u5177\u6709\u7279\u5b9a\u542b\u4e49\uff0c\u907f\u514d\u5c06\u5176\u4f5c\u4e3a\u5b57\u7b26\u4e32\u5b58\u50a8\u3002\u5bf9\u4e8e\u201c\u72b6\u6001\u201d\u6216\u201c\u56fd\u5bb6\u201d\u7b49\u503c\uff0c\u5e94\u4f7f\u7528\u53c2\u8003\u8868\u6765\u4fdd\u6301\u4e00\u81f4\u6027\u3002<\/li>\n
              • \u7f3a\u5c11\u7d22\u5f15\uff1a<\/strong> \u5916\u952e\u548c\u7ecf\u5e38\u67e5\u8be2\u7684\u5c5e\u6027\u5e94\u5efa\u7acb\u7d22\u5f15\u4ee5\u63d0\u9ad8\u67e5\u627e\u901f\u5ea6\u3002\u5982\u679c\u6ca1\u6709\u7d22\u5f15\uff0c\u8fde\u63a5\u64cd\u4f5c\u53ef\u80fd\u6210\u4e3a\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<\/ul>\n

                \u53ef\u6269\u5c55\u6027\u7684\u9ad8\u7ea7\u8003\u8651 \ud83d\ude80<\/h2>\n

                \u968f\u7740\u5e94\u7528\u7a0b\u5e8f\u7684\u589e\u957f\uff0c\u6570\u636e\u6a21\u578b\u5fc5\u987b\u968f\u4e4b\u6f14\u53d8\u3002\u65e9\u671f\u7684\u8bbe\u8ba1\u51b3\u7b56\u4f1a\u5f71\u54cd\u7cfb\u7edf\u6269\u5c55\u7684\u96be\u6613\u7a0b\u5ea6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5173\u4e8e\u957f\u671f\u7a33\u5b9a\u6027\u7684\u8003\u8651\u56e0\u7d20\u3002<\/p>\n

                \u5904\u7406\u5386\u53f2\u6570\u636e<\/h3>\n

                \u4e1a\u52a1\u89c4\u5219\u4f1a\u968f\u65f6\u95f4\u53d8\u5316\u3002\u66fe\u7ecf\u5fc5\u9700\u7684\u5c5e\u6027\u53ef\u80fd\u53d8\u4e3a\u53ef\u9009\u3002\u5173\u7cfb\u4e5f\u53ef\u80fd\u53d1\u751f\u53d8\u5316\u3002\u4e0e\u5176\u4e0d\u65ad\u4fee\u6539\u6a21\u5f0f\uff0c\u4e0d\u5982\u8003\u8651\u6dfb\u52a0\u5386\u53f2\u5217\u6216\u4f7f\u7528\u65f6\u95f4\u8868\u6765\u8ffd\u8e2a\u968f\u65f6\u95f4\u7684\u53d8\u5316\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u4e0d\u7834\u574f\u73b0\u6709\u529f\u80fd\u7684\u524d\u63d0\u4e0b\u5ba1\u8ba1\u53d8\u66f4\u3002<\/p>\n

                \u5b89\u5168\u4e0e\u8bbf\u95ee\u63a7\u5236<\/h3>\n

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                \u67e5\u8be2\u6027\u80fd<\/h3>\n

                \u60a8\u7ec4\u7ec7\u5173\u7cfb\u7684\u65b9\u5f0f\u4f1a\u76f4\u63a5\u5f71\u54cd\u67e5\u8be2\u6027\u80fd\u3002\u5d4c\u5957\u8fc7\u6df1\u7684\u5173\u7cfb\u9700\u8981\u591a\u6b21\u8fde\u63a5\uff0c\u8fd9\u4f1a\u51cf\u6162\u6570\u636e\u68c0\u7d22\u901f\u5ea6\u3002\u5206\u6790\u60a8\u6700\u9891\u7e41\u7684\u67e5\u8be2\uff0c\u5e76\u8bbe\u8ba1\u5b9e\u4f53\u4ee5\u5c3d\u91cf\u51cf\u5c11\u6240\u9700\u7684\u8fde\u63a5\u6b21\u6570\u3002\u6709\u65f6\uff0c\u5c06\u7279\u5b9a\u5c5e\u6027\u53bb\u89c4\u8303\u5316\u5e76\u5b58\u50a8\u5230\u8bfb\u53d6\u4f18\u5316\u7684\u5b58\u50a8\u4e2d\u662f\u6b63\u786e\u7684\u9009\u62e9\u3002<\/p>\n

                \u7ed3\u8bba \ud83c\udfc1<\/h2>\n

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