{"id":1520,"date":"2026-03-23T04:06:03","date_gmt":"2026-03-23T04:06:03","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/tw\/translating-business-rules-erd-constraints\/"},"modified":"2026-03-23T04:06:03","modified_gmt":"2026-03-23T04:06:03","slug":"translating-business-rules-erd-constraints","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/tw\/translating-business-rules-erd-constraints\/","title":{"rendered":"\u5c07\u696d\u52d9\u898f\u5247\u8f49\u5316\u70ba\u7cbe\u78ba\u7684ERD\u7d04\u675f"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Stamp and washi tape style infographic summarizing how to translate business rules into ERD constraints, featuring rule types (structure, attribute, relationship, validation), cardinality mappings (one-to-one, one-to-many, many-to-many), constraint implementations (primary key, foreign key, NOT NULL, CHECK, UNIQUE), and a 6-step workflow for data modeling integrity\" decoding=\"async\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/03\/translating-business-rules-erd-constraints-infographic.jpg\"\/><\/figure>\n<\/div>\n<p>\u5efa\u7acb\u7a69\u5065\u7684\u8cc7\u6599\u5eab\uff0c\u9060\u5728\u7b2c\u4e00\u884c\u7a0b\u5f0f\u78bc\u64b0\u5beb\u4e4b\u524d\u5c31\u5df2\u958b\u59cb\u3002\u9019\u4e00\u5207\u59cb\u65bc\u7406\u89e3\u9a45\u52d5\u7d44\u7e54\u7684\u6839\u672c\u908f\u8f2f\u3002\u7576\u696d\u52d9\u5229\u76ca\u76f8\u95dc\u8005\u63cf\u8ff0\u7cfb\u7d71\u61c9\u5982\u4f55\u904b\u4f5c\u6642\uff0c\u4ed6\u5011\u6703\u4f7f\u7528\u6d41\u7a0b\u3001\u653f\u7b56\u548c\u4f8b\u5916\u60c5\u6cc1\u7b49\u8853\u8a9e\u3002\u7136\u800c\uff0c\u6280\u8853\u5718\u968a\u5fc5\u9808\u5c07\u9019\u4e9b\u6558\u8ff0\u8f49\u5316\u70ba\u56b4\u683c\u7684\u7d50\u69cb\uff0c\u4ee5\u5728\u932f\u8aa4\u767c\u751f\u524d\u5c31\u52a0\u4ee5\u9632\u6b62\u3002\u9019\u500b\u8f49\u8b6f\u904e\u7a0b\u6b63\u662f\u8cc7\u6599\u6a21\u578b\u8a2d\u8a08\u7684\u6838\u5fc3\u3002\u5b83\u6d89\u53ca\u5c07\u6a21\u7cca\u7684\u696d\u52d9\u671f\u671b\u8f49\u5316\u70ba\u7cbe\u78ba\u7684\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u7d04\u675f\u3002\u82e5\u7f3a\u4e4f\u9019\u7a2e\u7cbe\u78ba\u6027\uff0c\u8cc7\u6599\u5b8c\u6574\u6027\u5c07\u53d7\u640d\uff0c\u5c0e\u81f4\u8cc7\u6599\u640d\u58de\u3001\u5831\u8868\u932f\u8aa4\uff0c\u4ee5\u53ca\u5728\u7cfb\u7d71\u751f\u547d\u9031\u671f\u5f8c\u671f\u51fa\u73fe\u6602\u8cb4\u7684\u7cfb\u7d71\u5931\u6557\u3002<\/p>\n<p>\u76ee\u6a19\u4e0d\u50c5\u50c5\u662f\u5275\u5efa\u4e00\u500b\u770b\u8d77\u4f86\u6b63\u78ba\u7684\u5716\u8868\u3002\u76ee\u6a19\u662f\u5275\u5efa\u4e00\u500b\u80fd\u5f37\u5236\u57f7\u884c\u771f\u5be6\u6027\u7684\u85cd\u5716\u3002\u7576\u696d\u52d9\u898f\u5247\u88ab\u6e96\u78ba\u5730\u6620\u5c04\u5230\u8cc7\u6599\u5eab\u7d04\u675f\u6642\uff0c\u7cfb\u7d71\u4fbf\u6703\u81ea\u6211\u7ba1\u7406\u3002\u5b83\u6703\u5728\u8cc7\u6599\u4f86\u6e90\u8655\u505c\u6b62\u63a5\u53d7\u7121\u6548\u8cc7\u6599\u3002\u672c\u6587\u63a2\u8a0e\u4e86\u5f4c\u5408\u4eba\u985e\u9700\u6c42\u8207\u6a5f\u5668\u5f37\u5236\u908f\u8f2f\u4e4b\u9593\u5dee\u8ddd\u7684\u65b9\u6cd5\u8ad6\u3002\u6211\u5011\u5c07\u6aa2\u8996\u898f\u5247\u7684\u985e\u578b\u3001\u5b83\u5011\u5982\u4f55\u5c0d\u61c9\u5230\u57fa\u6578\u8207\u5c6c\u6027\uff0c\u4ee5\u53ca\u5728\u6b64\u8f49\u8b6f\u904e\u7a0b\u4e2d\u5e38\u898b\u7684\u9677\u9631\u3002<\/p>\n<h2>\u7406\u89e3\u539f\u59cb\u8cc7\u6599\uff1a\u696d\u52d9\u898f\u5247 \ud83d\udcdc<\/h2>\n<p>\u5728\u69cb\u5efaERD\u4e4b\u524d\uff0c\u5fc5\u9808\u5256\u6790\u9700\u6c42\u3002\u696d\u52d9\u898f\u5247\u662f\u5177\u9ad4\u3001\u53ef\u57f7\u884c\u4e14\u53ef\u6e2c\u8a66\u7684\u9673\u8ff0\uff0c\u7528\u4ee5\u5b9a\u7fa9\u6216\u9650\u5236\u696d\u52d9\u7684\u67d0\u500b\u65b9\u9762\u3002\u5b83\u5011\u662f\u8cc7\u6599\u9818\u57df\u4e2d\u4e0d\u53ef\u6539\u8b8a\u7684\u6cd5\u5247\u3002\u82e5\u9055\u53cd\u898f\u5247\uff0c\u696d\u52d9\u6d41\u7a0b\u4fbf\u7121\u6cd5\u7e7c\u7e8c\u3002\u5728\u8cc7\u6599\u6a21\u578b\u8a2d\u8a08\u7684\u8108\u7d61\u4e2d\uff0c\u9019\u4e9b\u898f\u5247\u53ef\u5206\u70ba\u5e7e\u500b\u4e0d\u540c\u7684\u985e\u5225\u3002<\/p>\n<ul>\n<li><strong>\u7d50\u69cb\u898f\u5247\uff1a<\/strong> \u9019\u4e9b\u5b9a\u7fa9\u4e86\u54ea\u4e9b\u5be6\u9ad4\u5b58\u5728\u4ee5\u53ca\u5b83\u5011\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u4f8b\u5982\uff1a\u300c\u4e00\u4f4d\u5ba2\u6236\u5fc5\u9808\u81f3\u5c11\u64c1\u6709\u4e00\u500b\u5730\u5740\u3002\u300d\n<li><strong>\u5c6c\u6027\u898f\u5247\uff1a<\/strong> \u9019\u4e9b\u9650\u5236\u7279\u5b9a\u7684\u8cc7\u6599\u9ede\u3002\u4f8b\u5982\uff1a\u300c\u8a02\u55ae\u65e5\u671f\u5fc5\u9808\u65e9\u65bc\u51fa\u8ca8\u65e5\u671f\u3002\u300d\n<li><strong>\u95dc\u4fc2\u898f\u5247\uff1a<\/strong> \u9019\u4e9b\u5b9a\u7fa9\u4e86\u57fa\u6578\u8207\u53c3\u8207\u6027\u3002\u4f8b\u5982\uff1a\u300c\u4e00\u500b\u7522\u54c1\u53ef\u4ee5\u4e0d\u5b58\u5728\u65bc\u4efb\u4f55\u8a02\u55ae\u4e2d\uff0c\u4f46\u4e00\u500b\u8a02\u55ae\u5fc5\u9808\u81f3\u5c11\u5305\u542b\u4e00\u500b\u7522\u54c1\u3002\u300d\n<li><strong>\u9a57\u8b49\u898f\u5247\uff1a<\/strong> \u9019\u4e9b\u78ba\u4fdd\u8cc7\u6599\u683c\u5f0f\u8207\u7bc4\u570d\u3002\u4f8b\u5982\uff1a\u300c\u5e74\u9f61\u5fc5\u9808\u662f\u4ecb\u65bc0\u5230120\u4e4b\u9593\u7684\u6b63\u6574\u6578\u3002\u300d\n<\/li>\n<\/li>\n<\/li>\n<\/li>\n<\/ul>\n<p>\u5728\u8a2d\u8a08\u8cc7\u6599\u7d50\u69cb\u6642\uff0c\u6bcf\u4e00\u985e\u898f\u5247\u90fd\u9700\u8981\u4e0d\u540c\u7684\u8655\u7406\u65b9\u5f0f\u3002\u82e5\u672a\u80fd\u53ca\u65e9\u8b58\u5225\u9019\u4e9b\u898f\u5247\uff0c\u5c07\u5c0e\u81f4\u6a21\u578b\u5fc5\u9808\u4e0d\u65b7\u9032\u884c\u5f8c\u7e8c\u8f38\u5165\u9a57\u8b49\uff0c\u9019\u4e0d\u50c5\u6548\u7387\u4f4e\u4e0b\uff0c\u4e14\u5bb9\u6613\u51fa\u73fe\u4eba\u70ba\u932f\u8aa4\u3002<\/p>\n<h2>\u57fa\u790e\uff1a\u5be6\u9ad4\u8207\u5c6c\u6027 \ud83c\udfd7\ufe0f<\/h2>\n<p>\u5be6\u9ad4\u95dc\u4fc2\u5716\u4ee5\u7269\u4ef6\uff08\u5be6\u9ad4\uff09\u53ca\u5176\u5c6c\u6027\uff08\u5c6c\u6027\uff09\u4f86\u5448\u73fe\u4e16\u754c\u3002\u7136\u800c\uff0c\u50c5\u50c5\u5217\u51fa\u5c6c\u6027\u662f\u4e0d\u5920\u7684\u3002\u9644\u52a0\u5728\u9019\u4e9b\u5c6c\u6027\u4e0a\u7684\u7d04\u675f\uff0c\u6c7a\u5b9a\u4e86\u5132\u5b58\u5728\u5176\u4e2d\u7684\u8cc7\u6599\u54c1\u8cea\u3002<\/p>\n<h3>\u8b58\u5225\u4e3b\u9375<\/h3>\n<p>\u6bcf\u500b\u696d\u52d9\u5be6\u9ad4\u90fd\u9700\u8981\u4e00\u500b\u552f\u4e00\u7684\u8b58\u5225\u78bc\u3002\u5728\u73fe\u5be6\u4e16\u754c\u4e2d\uff0c\u9019\u53ef\u80fd\u662f\u793e\u6703\u5b89\u5168\u865f\u78bc\u3001\u8b77\u7167ID\u6216\u751f\u6210\u7684UUID\u3002\u5728ERD\u4e2d\uff0c\u9019\u8f49\u5316\u70ba\u4e3b\u9375\u7d04\u675f\u3002\u6b64\u8655\u7684\u696d\u52d9\u898f\u5247\u662f\u552f\u4e00\u6027\u3002<\/p>\n<ul>\n<li><strong>\u696d\u52d9\u898f\u5247\uff1a<\/strong> \u300c\u6c92\u6709\u5169\u540d\u54e1\u5de5\u53ef\u4ee5\u5171\u7528\u76f8\u540c\u7684\u54e1\u5de5\u7de8\u865f\u3002\u300d\n<li><strong>ERD\u7d04\u675f\uff1a<\/strong> ID\u5c6c\u6027\u88ab\u6a19\u8a18\u70ba\u4e3b\u9375\uff0c\u65bc\u8cc7\u6599\u5eab\u5c64\u7d1a\u5f37\u5236\u552f\u4e00\u6027\u3002\n<li><strong>\u70ba\u4f55\u5982\u6b64\u91cd\u8981\uff1a<\/strong> \u82e5\u7121\u6b64\u7d04\u675f\uff0c\u91cd\u8907\u8a18\u9304\u53ef\u80fd\u51fa\u73fe\uff0c\u5c0e\u81f4\u85aa\u8cc7\u3001\u5eab\u5b58\u6216\u5ba2\u6236\u670d\u52d9\u65b9\u9762\u7684\u6df7\u4e82\u3002<\/li>\n<\/li>\n<\/li>\n<\/ul>\n<h3>\u8655\u7406\u53ef\u7a7a\u6027\u8207\u53ef\u9078\u6027<\/h3>\n<p>\u6700\u5e38\u898b\u7684\u8f49\u8b6f\u932f\u8aa4\u4e4b\u4e00\uff0c\u662f\u5f37\u5236\u6b04\u4f4d\u8207\u53ef\u9078\u6b04\u4f4d\u4e4b\u9593\u7684\u5340\u5206\u3002\u6b64\u5340\u5206\u5c0d\u8cc7\u6599\u54c1\u8cea\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u696d\u52d9\u898f\u5247\u6307\u51fa\u67d0\u6b04\u4f4d\u70ba\u5fc5\u8981\uff0c\u8cc7\u6599\u5eab\u7d50\u69cb\u5fc5\u9808\u900f\u904eNOT NULL\u7d04\u675f\u4f86\u53cd\u6620\u6b64\u8981\u6c42\u3002<\/p>\n<ul>\n<li><strong>\u696d\u52d9\u898f\u5247\uff1a<\/strong> \u300c\u6bcf\u5f35\u767c\u7968\u90fd\u5fc5\u9808\u6307\u6d3e\u4e00\u4f4d\u5ba2\u6236\u3002\u300d\n<li><strong>ERD\u7d04\u675f\uff1a<\/strong> CustomerID\u5916\u9375\u6b04\u4f4d\u4e0d\u80fd\u70ba\u7a7a\u3002\n<li><strong>\u5546\u696d\u898f\u5247\uff1a<\/strong> \u300c\u4f7f\u7528\u8005\u7684\u500b\u4eba\u6a94\u6848\u53ef\u4ee5\u5728\u6c92\u6709\u982d\u50cf\u7684\u60c5\u6cc1\u4e0b\u5b58\u5728\u3002\u300d\n<li><strong>ERD \u9650\u5236\uff1a<\/strong> \u300eProfilePictureURL\u300f\u6b04\u4f4d\u5141\u8a31\u70ba NULL \u503c\u3002\n<\/li>\n<\/li>\n<\/li>\n<\/li>\n<\/ul>\n<p> \u5728\u9700\u8981\u8cc7\u6599\u7684\u5730\u65b9\u5141\u8a31 NULL \u503c\u6703\u9020\u6210\u5371\u96aa\u7684\u6f0f\u6d1e\u3002\u9019\u8b93\u7cfb\u7d71\u80fd\u5920\u5132\u5b58\u4e0d\u5b8c\u6574\u7684\u8a18\u9304\uff0c\u9032\u800c\u7834\u58de\u4e0b\u6e38\u7684\u5831\u8868\u8207\u61c9\u7528\u7a0b\u5f0f\u908f\u8f2f\u3002\u76f8\u53cd\u5730\uff0c\u82e5\u5728\u672c\u4f86\u53ef\u9078\u7684\u6b04\u4f4d\u4e0a\u6a19\u793a\u70ba NOT NULL\uff0c\u5247\u6703\u5728\u8cc7\u6599\u8f38\u5165\u6642\u9020\u6210\u4e0d\u5fc5\u8981\u7684\u932f\u8aa4\u3002<\/p>\n<h2>\u5c07\u95dc\u4fc2\u5c0d\u61c9\u81f3\u57fa\u6578 \ud83d\udcca<\/h2>\n<p>ERD \u8a2d\u8a08\u4e2d\u6700\u8907\u96dc\u7684\u90e8\u5206\u662f\u5be6\u9ad4\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u5546\u696d\u898f\u5247\u901a\u5e38\u6c7a\u5b9a\u4e00\u500b\u5be6\u9ad4\u7684\u591a\u5c11\u500b\u5be6\u4f8b\u53ef\u4ee5\u9023\u7d50\u5230\u53e6\u4e00\u500b\u5be6\u9ad4\u3002\u9019\u7a31\u70ba\u57fa\u6578\u3002\u5c07\u6b64\u8f49\u63db\u70ba ERD \u9700\u8981\u7cbe\u78ba\u7684\u7b26\u865f\u8868\u793a\u3002<\/p>\n<h3>\u4e00\u5c0d\u4e00\u95dc\u4fc2<\/h3>\n<p>\u9019\u5728\u4e00\u822c\u7cfb\u7d71\u4e2d\u8f03\u70ba\u7f55\u898b\uff0c\u4f46\u5728\u7279\u5b9a\u60c5\u5883\u4e2d\u76f8\u7576\u5e38\u898b\u3002\u9019\u8868\u793a Table A \u4e2d\u7684\u4e00\u7b46\u8a18\u9304\u50c5\u9023\u7d50\u5230 Table B \u4e2d\u7684\u4e00\u7b46\u8a18\u9304\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong> \u4e00\u540d\u54e1\u5de5\u53ea\u80fd\u6301\u6709\u552f\u4e00\u4e00\u5f35\u99d5\u99db\u57f7\u7167\uff0c\u4e14\u4e00\u5f35\u57f7\u7167\u50c5\u767c\u7d66\u4e00\u540d\u54e1\u5de5\u3002<\/li>\n<li><strong>\u5be6\u4f5c\u65b9\u5f0f\uff1a<\/strong> \u54e1\u5de5\u8cc7\u6599\u8868\u4e2d\u7684\u5916\u9375\u6307\u5411\u57f7\u7167\u8cc7\u6599\u8868\uff0c\u4e14\u8a72\u5916\u9375\u5177\u6709\u552f\u4e00\u6027\u7d04\u675f\u3002<\/li>\n<\/ul>\n<h3>\u4e00\u5c0d\u591a\u95dc\u4fc2<\/h3>\n<p>\u9019\u662f\u6700\u5e38\u898b\u7684\u7d50\u69cb\u3002\u4e00\u500b\u7236\u5be6\u9ad4\u8207\u591a\u500b\u5b50\u5be6\u9ad4\u76f8\u95dc\u806f\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong> \u4e00\u500b\u90e8\u9580\u5305\u542b\u591a\u540d\u54e1\u5de5\uff0c\u4f46\u4e00\u540d\u54e1\u5de5\u50c5\u5c6c\u65bc\u4e00\u500b\u90e8\u9580\u3002<\/li>\n<li><strong>\u5be6\u4f5c\u65b9\u5f0f\uff1a<\/strong> \u54e1\u5de5\u8cc7\u6599\u8868\u4e2d\u5305\u542b\u4e00\u500b\u53c3\u8003\u90e8\u9580\u8cc7\u6599\u8868\u7684\u5916\u9375\u3002\u90e8\u9580\u8cc7\u6599\u8868\u5247\u4e0d\u53c3\u8003\u54e1\u5de5\u8cc7\u6599\u8868\u3002<\/li>\n<li><strong>\u5546\u696d\u898f\u5247\u8f49\u8b6f\uff1a<\/strong> \u300c\u82e5\u54e1\u5de5\u76ee\u524d\u5df2\u88ab\u6307\u6d3e\u81f3\u90e8\u9580\uff0c\u5247\u4e0d\u5f97\u522a\u9664\u3002\u300d\n<li><strong>\u9650\u5236\u689d\u4ef6\uff1a<\/strong> \u9019\u9700\u8981\u4e00\u500b\u53c3\u8003\u5b8c\u6574\u6027\u898f\u5247\uff0c\u901a\u5e38\u7a31\u70ba\u300c\u4fdd\u7559\u7236\u9805\u300d\u6216\u300c\u9650\u5236\u522a\u9664\u300d\u898f\u5247\u3002<\/li>\n<\/li>\n<\/ul>\n<h3>\u591a\u5c0d\u591a\u95dc\u4fc2<\/h3>\n<p>\u7576 Table A \u4e2d\u7684\u591a\u7b46\u8a18\u9304\u8207 Table B \u4e2d\u7684\u591a\u7b46\u8a18\u9304\u76f8\u95dc\u806f\u6642\uff0c\u5728\u6a19\u6e96\u7684\u95dc\u806f\u5f0f\u6a21\u578b\u4e2d\u7121\u6cd5\u5efa\u7acb\u76f4\u63a5\u9023\u7d50\u3002\u9019\u9700\u8981\u4e00\u500b\u95dc\u806f\u5be6\u9ad4\uff08\u4e5f\u7a31\u70ba\u9023\u7d50\u8868\uff09\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong> \u5b78\u751f\u9078\u4fee\u8ab2\u7a0b\u3002\u4e00\u540d\u5b78\u751f\u9078\u4fee\u591a\u9580\u8ab2\u7a0b\uff0c\u4e00\u9580\u8ab2\u7a0b\u6709\u8a31\u591a\u5b78\u751f\u9078\u4fee\u3002<\/li>\n<li><strong>\u5be6\u4f5c\u65b9\u5f0f\uff1a<\/strong> \u5efa\u7acb\u4e00\u500b\u300e\u8a3b\u518a\u300f\u5be6\u9ad4\uff0c\u7528\u4f86\u5132\u5b58 StudentID \u8207 CourseID\u3002\u9019\u5c07\u591a\u5c0d\u591a\u95dc\u4fc2\u62c6\u89e3\u70ba\u5169\u500b\u4e00\u5c0d\u591a\u95dc\u4fc2\u3002<\/li>\n<li><strong>\u5546\u696d\u898f\u5247\u8f49\u8b6f\uff1a<\/strong> \u300c\u5982\u679c\u8ab2\u7a0b\u5df2\u6eff\uff0c\u5b78\u751f\u4fbf\u7121\u6cd5\u8a3b\u518a\u8a72\u8ab2\u7a0b\u3002\u300d\n<li><strong>\u7d04\u675f\uff1a<\/strong> \u9019\u901a\u5e38\u9700\u8981\u5728\u8a3b\u518a\u8868\u4e0a\u8a2d\u7f6e\u6aa2\u67e5\u7d04\u675f\u6216\u89f8\u767c\u5668\uff0c\u4ee5\u9a57\u8b49\u5ea7\u4f4d\u662f\u5426\u53ef\u7528\u3002<\/li>\n<\/li>\n<\/ul>\n<h2>\u9032\u968e\u7d04\u675f\uff1a\u6aa2\u67e5\u8207\u8cc7\u6599\u57df\u898f\u5247 \ud83d\udd12<\/h2>\n<p>\u4e26\u975e\u6240\u6709\u898f\u5247\u90fd\u9069\u7528\u65bc\u9375\u6216\u95dc\u4fc2\u3002\u6709\u4e9b\u898f\u5247\u662f\u95dc\u65bc\u5132\u5b58\u5728\u6b04\u4f4d\u4e2d\u7684\u5be6\u969b\u503c\u3002\u9019\u4e9b\u7a31\u70ba\u6aa2\u67e5\u7d04\u675f\u6216\u8cc7\u6599\u57df\u7d04\u675f\u3002<\/p>\n<p>\u8003\u616e\u4e00\u9805\u95dc\u65bc\u8ca1\u52d9\u8cc7\u6599\u7684\u898f\u5247\u3002\u696d\u52d9\u65b9\u53ef\u80fd\u6307\u51fa\uff0c\u6298\u6263\u91d1\u984d\u4e0d\u53ef\u8d85\u904e\u5546\u54c1\u7e3d\u50f9\u3002\u5728\u6a19\u6e96\u7684ERD\u4e2d\uff0c\u9019\u985e\u898f\u5247\u901a\u5e38\u76f4\u5230\u61c9\u7528\u5c64\u5efa\u7acb\u5f8c\u624d\u88ab\u6ce8\u610f\u5230\u3002\u70ba\u78ba\u4fdd\u8cc7\u6599\u5b8c\u6574\u6027\uff0c\u6b64\u908f\u8f2f\u61c9\u5728\u8cc7\u6599\u5b9a\u7fa9\u4e2d\u4ee5\u7d04\u675f\u5f62\u5f0f\u5efa\u6a21\u3002<\/p>\n<ul>\n<li><strong>\u696d\u52d9\u898f\u5247\uff1a<\/strong> \u300c\u6298\u6263\u767e\u5206\u6bd4\u4e0d\u53ef\u8d85\u904e100%\u3002\u300d\n<li><strong>ERD\u7d04\u675f\uff1a<\/strong> \u5728\u300c\u6298\u6263\u300d\u6b04\u4f4d\u4e0a\u8a2d\u7f6e\u6aa2\u67e5\u7d04\u675f\uff1a(\u6298\u6263 &lt;= 100)\u3002<\/li>\n<li><strong>\u696d\u52d9\u898f\u5247\uff1a<\/strong> \u300c\u5eab\u5b58\u4e2d\u4e0d\u5141\u8a31\u51fa\u73fe\u8ca0\u6578\u6578\u91cf\u3002\u300d\n<li><strong>ERD\u7d04\u675f\uff1a<\/strong> \u5728\u300c\u6578\u91cf\u300d\u6b04\u4f4d\u4e0a\u8a2d\u7f6e\u6aa2\u67e5\u7d04\u675f\uff1a(\u6578\u91cf &gt;= 0)\u3002<\/li>\n<\/li>\n<\/li>\n<\/ul>\n<p>\u96d6\u7136\u61c9\u7528\u5c64\u9a57\u8b49\u5f88\u5e38\u898b\uff0c\u4f46\u50c5\u4f9d\u8cf4\u5b83\u98a8\u96aa\u5f88\u9ad8\u3002\u5982\u679c\u591a\u500b\u61c9\u7528\u7a0b\u5f0f\u5b58\u53d6\u540c\u4e00\u500b\u8cc7\u6599\u5eab\uff0c\u5b83\u5011\u90fd\u5fc5\u9808\u5be6\u4f5c\u76f8\u540c\u7684\u908f\u8f2f\u3002\u8cc7\u6599\u5eab\u7d04\u675f\u63d0\u4f9b\u4e86\u552f\u4e00\u7684\u771f\u7406\u4f86\u6e90\u3002<\/p>\n<h2>\u7ffb\u8b6f\u4e2d\u7684\u5e38\u898b\u9677\u9631 \u26a0\ufe0f<\/h2>\n<p>\u5373\u4f7f\u7d93\u9a57\u8c50\u5bcc\u7684\u5efa\u6a21\u4eba\u54e1\u5728\u5c07\u696d\u52d9\u8a9e\u8a00\u8f49\u63db\u70ba\u6280\u8853\u67b6\u69cb\u6642\u4e5f\u6703\u72af\u932f\u3002\u4e86\u89e3\u9019\u4e9b\u5e38\u898b\u9677\u9631\u6709\u52a9\u65bc\u7dad\u6301\u6e96\u78ba\u6027\u3002<\/p>\n<ul>\n<li><strong>\u300c\u5fc5\u9808\u300d\u7684\u6a21\u7cca\u6027\uff1a<\/strong> \u696d\u52d9\u76f8\u95dc\u65b9\u7d93\u5e38\u5728\u8868\u793a\u300c\u5fc5\u9808\u300d\u6642\u4f7f\u7528\u300c\u61c9\u8a72\u300d\u6216\u300c\u901a\u5e38\u300d\u3002\u5efa\u6a21\u4eba\u54e1\u5fc5\u9808\u91d0\u6e05\u898f\u5247\u662f\u786c\u6027\u7d04\u675f\u9084\u662f\u6307\u5f15\u3002\u786c\u6027\u7d04\u675f\u61c9\u653e\u5728\u67b6\u69cb\u4e2d\uff1b\u6307\u5f15\u5247\u61c9\u653e\u5728\u61c9\u7528\u7a0b\u5f0f\u908f\u8f2f\u4e2d\u3002<\/li>\n<li><strong>\u5ffd\u7565\u6642\u9593\u8cc7\u6599\uff1a<\/strong> \u8a31\u591a\u898f\u5247\u6d89\u53ca\u6642\u9593\u3002\u300c\u8a02\u55ae\u50c5\u572824\u5c0f\u6642\u5167\u6709\u6548\u3002\u300d\u9019\u9700\u8981\u65e5\u671f\u6642\u9593\u7d04\u675f\uff0c\u4ee5\u53ca\u53ef\u80fd\u7684\u5230\u671f\u908f\u8f2f\uff0c\u800c\u6a19\u6e96ERD\u901a\u5e38\u7121\u6cd5\u4ee5\u8996\u89ba\u65b9\u5f0f\u5b8c\u6574\u5448\u73fe\u3002<\/li>\n<li><strong>\u904e\u5ea6\u898f\u7bc4\u5316\uff1a<\/strong> \u8a66\u5716\u5728\u8cc7\u6599\u5eab\u5c64\u9762\u5f37\u5236\u57f7\u884c\u6bcf\u4e00\u9805\u696d\u52d9\u898f\u5247\uff0c\u53ef\u80fd\u5c0e\u81f4\u67b6\u69cb\u50f5\u5316\u4e14\u901f\u5ea6\u8b8a\u6162\u3002\u898f\u7bc4\u5316\u5c0d\u65bc\u8cc7\u6599\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\uff0c\u4f46\u904e\u5ea6\u898f\u7bc4\u5316\u53ef\u80fd\u5f71\u97ff\u6548\u80fd\u3002\u5e73\u8861\u624d\u662f\u95dc\u9375\u3002<\/li>\n<li><strong>\u5047\u8a2d\u96b1\u542b\u898f\u5247\uff1a<\/strong> \u50c5\u56e0\u67d0\u6b04\u4f4d\u5b58\u5728\uff0c\u4e26\u4e0d\u4ee3\u8868\u5176\u898f\u5247\u5df2\u88ab\u5b9a\u7fa9\u3002\u4f8b\u5982\uff0c\u82e5\u5b58\u5728\u300c\u72c0\u614b\u300d\u6b04\u4f4d\uff0c\u662f\u5426\u5177\u6709\u660e\u78ba\u7684\u5141\u8a31\u503c\u6e05\u55ae\uff1f\u9019\u61c9\u8a2d\u70ba\u679a\u8209\u7d04\u675f\u6216\u67e5\u95b1\u8868\u3002<\/li>\n<\/ul>\n<h2>\u7d04\u675f\u6620\u5c04\u7684\u5be6\u7528\u5de5\u4f5c\u6d41\u7a0b \ud83d\udcdd<\/h2>\n<p>\u70ba\u78ba\u4fdd\u4e0d\u907a\u6f0f\u4efb\u4f55\u898f\u5247\uff0c\u8acb\u9075\u5faa\u7d50\u69cb\u5316\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002\u6b64\u904e\u7a0b\u5f9e\u62bd\u8c61\u9700\u6c42\u9010\u6b65\u8f49\u5411\u5177\u9ad4\u7684\u67b6\u69cb\u5b9a\u7fa9\u3002<\/p>\n<ol>\n<li><strong>\u6536\u96c6\u9700\u6c42\uff1a<\/strong> \u8a2a\u8ac7\u76f8\u95dc\u65b9\u3002\u8a62\u554f\u300c\u4ec0\u9ebc\u963b\u6b62\u4e86\u6b64\u52d5\u4f5c\uff1f\u300d\u4ee5\u53ca\u300c\u9032\u884c\u6b64\u52d5\u4f5c\u9700\u8981\u54ea\u4e9b\u8cc7\u6599\uff1f\u300d<\/li>\n<li><strong>\u8a18\u9304\u898f\u5247\uff1a<\/strong> \u5217\u51fa\u627e\u5230\u7684\u6bcf\u500b\u5546\u696d\u898f\u5247\u3002\u6309\u5be6\u9ad4\u5206\u7d44\u3002<\/li>\n<li><strong>\u8a2d\u8a08\u8cc7\u6599\u7d50\u69cb\uff1a<\/strong> \u8349\u64ec\u521d\u59cb\u7684ERD\uff0c\u5305\u542b\u5be6\u9ad4\u548c\u57fa\u672c\u95dc\u4fc2\u3002<\/li>\n<li><strong>\u5957\u7528\u7d04\u675f\uff1a<\/strong> \u9010\u4e00\u6aa2\u8996\u898f\u5247\u6e05\u55ae\u3002\u6307\u5b9a\u4e3b\u9375\u3001\u5916\u9375\u3001\u975e\u7a7a\u53ca\u6aa2\u67e5\u7d04\u675f\u3002<\/li>\n<li><strong>\u5be9\u67e5\u6f0f\u6d1e\uff1a<\/strong> \u627e\u51fa\u672a\u5b9a\u7fa9\u7d04\u675f\u7684\u5be6\u9ad4\u3002\u8a62\u554f\u5b83\u5011\u662f\u5426\u771f\u7684\u53ef\u9078\u3002<\/li>\n<li><strong>\u8207\u5229\u5bb3\u95dc\u4fc2\u4eba\u9a57\u8b49\uff1a<\/strong> \u5c07\u5716\u8868\u5c55\u793a\u7d66\u696d\u52d9\u90e8\u9580\u3002\u8a62\u554f\uff1a\u300c\u9019\u500b\u6a21\u578b\u662f\u5426\u53cd\u6620\u4f60\u5011\u7684\u898f\u5247\uff1f\u300d<\/li>\n<\/ol>\n<h2>\u898f\u5247\u985e\u578b\u8207ERD\u5be6\u4f5c\u7684\u6bd4\u8f03 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