{"id":11160,"date":"2026-04-15T16:49:26","date_gmt":"2026-04-15T08:49:26","guid":{"rendered":"https:\/\/www.archimetric.com\/cn\/learn-erd-modeling-by-doing-5-real-world-examples-that-taught-me-database-design\/"},"modified":"2026-04-15T16:49:26","modified_gmt":"2026-04-15T08:49:26","slug":"learn-erd-modeling-by-doing-5-real-world-examples-that-taught-me-database-design","status":"publish","type":"post","link":"https:\/\/www.archimetric.com\/cn\/learn-erd-modeling-by-doing-5-real-world-examples-that-taught-me-database-design\/","title":{"rendered":"\u901a\u8fc7\u5b9e\u8df5\u5b66\u4e60ERD\u5efa\u6a21\uff1a5\u4e2a\u771f\u5b9e\u4e16\u754c\u6848\u4f8b\u6559\u4f1a\u4e86\u6211\u6570\u636e\u5e93\u8bbe\u8ba1"},"content":{"rendered":"<h2>\u65b0\u5f15\u8a00\uff1a\u4e3a\u4ec0\u4e48\u6848\u4f8b\u603b\u662f\u80dc\u8fc7\u7406\u8bba<\/h2>\n<p>\u5f53\u6211\u7b2c\u4e00\u6b21\u5c1d\u8bd5\u5b66\u4e60\u5b9e\u4f53\u5173\u7cfb\u56fe\u65f6\uff0c\u6211\u88ab\u90a3\u4e9b\u89e3\u91ca\u57fa\u6570\u3001\u89c4\u8303\u5316\u548c\u9648\u6c0f\u8bb0\u6cd5\u7684\u6559\u79d1\u4e66\u6df9\u6ca1\u3002\u76f4\u5230\u6211\u5f00\u59cb\u53cd\u5411\u5206\u6790\u771f\u5b9e\u4e16\u754c\u7684\u6848\u4f8b\uff0c\u4e00\u5207\u624d\u8c41\u7136\u5f00\u6717\u3002\u4f5c\u4e3a\u4e00\u540d\u6bcf\u5929\u4e0e\u5de5\u7a0b\u56e2\u961f\u534f\u4f5c\u7684\u4ea7\u54c1\u7ecf\u7406\uff0c\u6211\u6b64\u540e\u91c7\u7528\u4e86\u2018\u901a\u8fc7\u6848\u4f8b\u5b66\u4e60\u2019\u7684\u65b9\u6cd5\u2014\u2014\u8fd9\u5f7b\u5e95\u6539\u53d8\u4e86\u6211\u6784\u5efa\u6570\u636e\u6a21\u578b\u539f\u578b\u7684\u65b9\u5f0f\u3002<\/p>\n<p class=\"\">\u5728\u8fd9\u672c\u5b9e\u8df5\u6307\u5357\u4e2d\uff0c\u6211\u5c06\u5e26\u4f60\u9010\u4e00\u5206\u6790\u6765\u81eaVisual Paradigm\u5728\u7ebfERD\u5de5\u5177\u7684\u4e94\u4e2a\u7cbe\u5fc3\u6311\u9009\u7684ERD\u6848\u4f8b\u3002\u9488\u5bf9\u6bcf\u4e2a\u6848\u4f8b\uff0c\u6211\u5c06\u5206\u4eab\u6211\u7684\u5b66\u4e60\u5fc3\u5f97\u3001\u5b83\u6240\u5c55\u793a\u7684\u5173\u952e\u6982\u5ff5\u4ee5\u53ca\u4f60\u53ef\u4ee5\u7acb\u5373\u5e94\u7528\u7684\u5b9e\u7528\u6280\u5de7\u3002\u6ca1\u6709\u672f\u8bed\u5806\u780c\u2014\u2014\u53ea\u6709\u771f\u5b9e\u6a21\u5f0f\u3001\u771f\u5b9e\u5de5\u4f5c\u6d41\u7a0b\u548c\u771f\u5b9e\u6210\u679c\u3002<\/p>\n<p class=\"\"><img alt=\"Online ERD Tool\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/images\/features\/erd-tool\/01-online-erd-tool.png\"\/><\/p>\n<h2>\u5feb\u901f\u5165\u95e8\uff1a\u4f60\u771f\u6b63\u9700\u8981\u76844\u4e2aERD\u6982\u5ff5<\/h2>\n<p>\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u4ee5\u4e0b\u662f\u8fd9\u4e9b\u6848\u4f8b\u5c06\u5f3a\u5316\u7684\u57fa\u7840\u6982\u5ff5\uff1a<\/p>\n<p>\ud83d\udd39\u00a0<strong>\u5b9e\u4f53<\/strong>\uff1a\u4f60\u7cfb\u7edf\u4e2d\u7684\u201c\u540d\u8bcd\u201d\uff08\u4f8b\u5982\uff0c<code data-backticks=\"1\">\u5ba2\u6237<\/code>,\u00a0<code data-backticks=\"1\">\u8ba2\u5355<\/code>,\u00a0<code data-backticks=\"1\">\u4ea7\u54c1<\/code>)<br \/>\n\ud83d\udd39\u00a0<strong>\u5c5e\u6027<\/strong>\uff1a\u63cf\u8ff0\u5b9e\u4f53\u7684\u5c5e\u6027\uff08\u4f8b\u5982\uff0c<code data-backticks=\"1\">\u5ba2\u6237.\u90ae\u7bb1<\/code>,\u00a0<code data-backticks=\"1\">\u8ba2\u5355.\u65e5\u671f<\/code>)<br \/>\n\ud83d\udd39\u00a0<strong>\u5173\u7cfb<\/strong>\uff1a\u5b9e\u4f53\u4e4b\u95f4\u7684\u8fde\u63a5\u65b9\u5f0f\uff08\u4f8b\u5982\uff0c<code data-backticks=\"1\">\u5ba2\u6237\u4e0b\u8ba2\u5355<\/code>)<br \/>\n\ud83d\udd39\u00a0<strong>\u57fa\u6570<\/strong>\uff1a\u2018\u591a\u5c11\u4e2a\u2019\u7684\u89c4\u5219\uff08\u4e00\u5bf9\u4e00\u3001\u4e00\u5bf9\u591a\u3001\u591a\u5bf9\u591a\uff09<\/p>\n<p>\u660e\u767d\u4e86\uff1f\u592a\u597d\u4e86\u3002\u8ba9\u6211\u4eec\u901a\u8fc7\u6784\u5efa\u6765\u5b66\u4e60\u3002<\/p>\n<hr\/>\n<h2>\u793a\u4f8b 1\uff1a\u7b80\u5355\u7684\u5b66\u6821\u4e0e\u5b66\u751f ERD\uff08\u975e\u5e38\u9002\u5408\u521d\u5b66\u8005\uff09<\/h2>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/simple-school-and-student-erd\" title=\"Simple School and Student ERD\"><img alt=\"Simple School and Student ERD (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/aae8b55e-a1c7-4462-9ca8-07020f00ba04.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/aae8b55e-a1c7-4462-9ca8-07020f00ba04.xml&amp;name=Simple%20School%20and%20Student%20ERD\">\u7b80\u5355\u7684\u5b66\u6821\u4e0e\u5b66\u751f ERD<\/a><\/p>\n<h3>\u672c\u793a\u4f8b\u6240\u6559\u6388\u7684\u5185\u5bb9<\/h3>\n<ul>\n<li>\n<p>\u57fa\u672c\u5b9e\u4f53\u5b9a\u4e49\uff08<code data-backticks=\"1\">\u5b66\u751f<\/code>,\u00a0<code data-backticks=\"1\">\u5b66\u6821<\/code>,\u00a0<code data-backticks=\"1\">\u8bfe\u7a0b<\/code>)<\/p>\n<\/li>\n<li>\n<p>\u4e00\u5bf9\u591a\u5173\u7cfb\uff08\u4e00\u6240\u5b66\u6821\u6709\u591a\u4e2a\u5b66\u751f\uff09<\/p>\n<\/li>\n<li>\n<p>\u4e3b\u952e\u8bc6\u522b\uff08<code data-backticks=\"1\">student_id<\/code>)<\/p>\n<\/li>\n<\/ul>\n<h3>\u6211\u7684\u201c\u604d\u7136\u5927\u609f\u201d\u65f6\u523b<\/h3>\n<p>\u6211\u559c\u6b22\u8fd9\u4e2a\u793a\u4f8b\u5c06\u5c5e\u6027\u4fdd\u6301\u5f97\u975e\u5e38\u7b80\u6d01\u3002\u4f5c\u4e3a\u4e00\u540d\u521d\u5b66\u8005\uff0c\u6211\u8fc7\u53bb\u603b\u662f\u628a\u6bcf\u4e2a\u53ef\u80fd\u7684\u5b57\u6bb5\u90fd\u585e\u8fdb\u5b9e\u4f53\u4e2d\u3002\u8fd9\u8ba9\u6211\u660e\u767d\u4e86\uff1a<strong>\u4ece\u4f60\u9700\u8981\u552f\u4e00\u6807\u8bc6\u548c\u8fde\u63a5\u5b9e\u4f53\u7684\u5185\u5bb9\u5f00\u59cb<\/strong>\u3002\u4f60\u603b\u53ef\u4ee5\u5728\u4e4b\u540e\u6dfb\u52a0\u5c5e\u6027\u3002<\/p>\n<h3>\u6b64\u6a21\u5f0f\u7684\u5b9e\u7528\u6280\u5de7<\/h3>\n<p>\u2705 \u4f7f\u7528\u5355\u6570\u5b9e\u4f53\u540d\u79f0\uff08<code data-backticks=\"1\">\u5b66\u751f<\/code>\u800c\u4e0d\u662f<code data-backticks=\"1\">\u5b66\u751f<\/code>\uff09\u4ee5\u4fdd\u6301\u4e00\u81f4\u6027<br \/>\n\u2705 \u5c06\u4e3b\u952e\u653e\u5728\u6bcf\u4e2a\u5b9e\u4f53\u6846\u7684\u9876\u90e8\uff0c\u4ee5\u4fbf\u5feb\u901f\u6d4f\u89c8<br \/>\n\u2705 \u6e05\u6670\u5730\u6807\u8bb0\u5173\u7cfb\u7ebf\uff08\u201c\u6ce8\u518c\u201d\u3001\u201c\u5c5e\u4e8e\u201d\uff09\uff0c\u4ee5\u907f\u514d\u6b67\u4e49<\/p>\n<hr\/>\n<h2>\u793a\u4f8b 2\uff1aERD \u793a\u4f8b \u2013 \u81ea\u52a8\u53d6\u6b3e\u673a\uff08\u638c\u63e1\u4e8b\u52a1\u6a21\u578b\uff09<\/h2>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-atm\" title=\"ERD Example - ATM\"><img alt=\"ERD Example - ATM (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/7eb24322-267a-4239-8e0c-b8339b1cd46e.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/7eb24322-267a-4239-8e0c-b8339b1cd46e.xml&amp;name=ERD%20Example%20-%20ATM\">ERD \u793a\u4f8b \u2013 \u81ea\u52a8\u53d6\u6b3e\u673a<\/a><\/p>\n<h3>\u672c\u793a\u4f8b\u6240\u6559\u6388\u7684\u5185\u5bb9<\/h3>\n<ul>\n<li>\n<p>\u5efa\u6a21\u65f6\u95f4\u654f\u611f\u7684\u4ea4\u6613\uff08<code data-backticks=\"1\">\u4ea4\u6613<\/code>\u5e26\u6709\u65f6\u95f4\u6233\u7684\u5b9e\u4f53\uff09<\/p>\n<\/li>\n<li>\n<p>\u5904\u7406\u53ef\u9009\u5173\u7cfb\uff08\u4e00\u5f20\u5361\u53ef\u80fd\u8fd8\u6ca1\u6709\u4ea4\u6613\uff09<\/p>\n<\/li>\n<li>\n<p>\u5206\u79bb\u8ba4\u8bc1\uff08<code data-backticks=\"1\">\u5361<\/code>,\u00a0<code data-backticks=\"1\">PIN<\/code>\uff09\u4e0e\u4e1a\u52a1\u903b\u8f91\uff08<code data-backticks=\"1\">\u8d26\u6237<\/code>,\u00a0<code data-backticks=\"1\">\u4ea4\u6613<\/code>)<\/p>\n<\/li>\n<\/ul>\n<h3>\u6211\u7684\u201c\u987f\u609f\u201d\u65f6\u523b<\/h3>\n<p>\u8fd9\u4e2a\u4f8b\u5b50\u8ba9\u6211\u660e\u767d\u4e86\u5982\u4f55\u5efa\u6a21<strong>\u968f\u65f6\u95f4\u53d8\u5316\u7684\u72b6\u6001<\/strong>\u3002\u4e0e\u5176\u53ea\u5b58\u50a8\u4f59\u989d\uff0c\u8fd9\u4e2a<code data-backticks=\"1\">\u4ea4\u6613<\/code>\u5b9e\u4f53\u8bb0\u5f55\u4e86\u6bcf\u4e00\u6b21\u64cd\u4f5c\u3002\u8fd9\u79cd\u6a21\u5f0f\u5bf9\u4e8e\u5ba1\u8ba1\u8ffd\u8e2a\u3001\u62a5\u544a\u548c\u8c03\u8bd5\u6765\u8bf4\u975e\u5e38\u5b9d\u8d35\u3002<\/p>\n<h3>\u6b64\u6a21\u5f0f\u7684\u5b9e\u7528\u6280\u5de7<\/h3>\n<p>\u2705 \u59cb\u7ec8\u5305\u542b<code data-backticks=\"1\">\u521b\u5efa\u65f6\u95f4<\/code>\/<code data-backticks=\"1\">\u66f4\u65b0\u65f6\u95f4<\/code>\u65f6\u95f4\u6233\u5728\u4e8b\u52a1\u6027\u5b9e\u4f53\u4e0a<br \/>\n\u2705 \u5bf9\u65e0\u6cd5\u72ec\u7acb\u5b58\u5728\u7684\u9879\u76ee\u4f7f\u7528\u5f31\u5b9e\u4f53\uff08\u865a\u7ebf\u6846\uff09\uff08\u4f8b\u5982\uff0c<code data-backticks=\"1\">\u4ea4\u6613\u660e\u7ec6<\/code>)<br \/>\n\u2705 \u76f4\u63a5\u5728\u5173\u7cfb\u7ebf\u4e0a\u6807\u6ce8\u57fa\u6570\uff1a<code data-backticks=\"1\">1..*<\/code>\u8868\u793a\u201c\u4e00\u4e2a\u6216\u591a\u4e2a\u201d<\/p>\n<hr\/>\n<h2>\u793a\u4f8b 3\uff1a\u5b9e\u4f53\u5173\u7cfb\u56fe\uff1a\u5728\u7ebf\u4e66\u5e97\uff08\u7535\u5b50\u5546\u52a1\u6a21\u5f0f\uff09<\/h2>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/entity-relationship-diagram-online-bookstore\" title=\"Entity Relationship Diagram: Online Bookstore\"><img alt=\"Entity Relationship Diagram: Online Bookstore (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/3e0bd6b5-3c97-473e-a842-e68910b01dea.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/3e0bd6b5-3c97-473e-a842-e68910b01dea.xml&amp;name=Entity%20Relationship%20Diagram:%20Online%20Bookstore\">\u5b9e\u4f53\u5173\u7cfb\u56fe\uff1a\u5728\u7ebf\u4e66\u5e97<\/a><\/p>\n<h3>\u672c\u793a\u4f8b\u6240\u6559\u6388\u7684\u5185\u5bb9<\/h3>\n<ul>\n<li>\n<p>\u591a\u5bf9\u591a\u5173\u7cfb\u901a\u8fc7\u8fde\u63a5\u8868\u89e3\u51b3\uff08<code data-backticks=\"1\">\u8ba2\u5355\u9879<\/code>\u8fde\u63a5<code data-backticks=\"1\">\u8ba2\u5355<\/code>\u548c<code data-backticks=\"1\">\u56fe\u4e66<\/code>)<\/p>\n<\/li>\n<li>\n<p>\u5c42\u7ea7\u7c7b\u522b\uff08<code data-backticks=\"1\">\u7c7b\u522b<\/code>\u5177\u6709\u81ea\u5f15\u7528\u5173\u7cfb\uff09<\/p>\n<\/li>\n<li>\n<p>\u7528\u6237\u751f\u6210\u5185\u5bb9\u6a21\u5f0f\uff08<code data-backticks=\"1\">\u8bc4\u8bba<\/code>,\u00a0<code data-backticks=\"1\">\u8bc4\u5206<\/code>\u540c\u65f6\u5173\u8054\u5230<code data-backticks=\"1\">\u7528\u6237<\/code>\u548c<code data-backticks=\"1\">\u56fe\u4e66<\/code>)<\/p>\n<\/li>\n<\/ul>\n<h3>\u6211\u7684\u201c\u987f\u609f\u201d\u65f6\u523b<\/h3>\n<p>\u90a3\u4e2a<code data-backticks=\"1\">\u8ba2\u5355\u9879<\/code>\u5b9e\u4f53\u8ba9\u6211\u604d\u7136\u5927\u609f\u3002\u6211\u8fc7\u53bb\u4e00\u76f4\u8bd5\u56fe\u76f4\u63a5\u8fde\u63a5<code data-backticks=\"1\">\u8ba2\u5355<\/code>\u5230<code data-backticks=\"1\">\u56fe\u4e66<\/code>\u00a0\u901a\u8fc7\u4e00\u5bf9\u591a\u7684\u8fde\u7ebf\uff0c\u4f46\u8fd9\u4e2a\u4f8b\u5b50\u5c55\u793a\u4e86\u4e3a\u4ec0\u4e48\u9700\u8981\u4e00\u4e2a\u00a0<strong>\u8fde\u63a5\u5b9e\u4f53<\/strong>\u00a0\u81f3\u5173\u91cd\u8981\uff1a\u5b83\u5141\u8bb8\u4f60\u5b58\u50a8\u6570\u91cf\u3001\u8d2d\u4e70\u65f6\u7684\u4ef7\u683c\u4ee5\u53ca\u5176\u4ed6\u4e0e\u8ba2\u5355\u76f8\u5173\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<h3>\u6b64\u6a21\u5f0f\u7684\u5b9e\u7528\u6280\u5de7<\/h3>\n<p>\u2705 \u6e05\u6670\u547d\u540d\u8fde\u63a5\u5b9e\u4f53\uff08<code data-backticks=\"1\">OrderItem<\/code>\uff0c\u800c\u4e0d\u662f\u00a0<code data-backticks=\"1\">OrderBook<\/code>\uff09\u4ee5\u53cd\u6620\u5176\u7528\u9014<br \/>\n\u2705 \u5b58\u50a8\u5386\u53f2\u503c\uff08\u5982\u00a0<code data-backticks=\"1\">unit_price<\/code>\uff09\u5728\u8fde\u63a5\u8868\u4e2d\u5b58\u50a8\u2014\u2014\u6c38\u8fdc\u4e0d\u8981\u4f9d\u8d56\u5f53\u524d\u7684\u4ea7\u54c1\u6570\u636e<br \/>\n\u2705 \u5c3d\u91cf\u5c11\u4f7f\u7528\u9012\u5f52\u5173\u7cfb\uff1b\u5728\u6ce8\u91ca\u4e2d\u8bb0\u5f55\u5c42\u6b21\u6df1\u5ea6\u9650\u5236<\/p>\n<hr\/>\n<h2>\u793a\u4f8b 4\uff1aERD \u793a\u4f8b\uff1a\u533b\u9662\u7ba1\u7406\u7cfb\u7edf\uff08\u590d\u6742\u73b0\u5b9e\u4e16\u754c\u5efa\u6a21\uff09<\/h2>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-hospital-management-system\" title=\"ERD Example: Hospital Management System\"><img alt=\"ERD Example: Hospital Management System (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/a5f46368-38e9-4d47-9580-0c4d68c0a629.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/a5f46368-38e9-4d47-9580-0c4d68c0a629.xml&amp;name=ERD%20Example:%20Hospital%20Management%20System\">ERD \u793a\u4f8b\uff1a\u533b\u9662\u7ba1\u7406\u7cfb\u7edf<\/a><\/p>\n<h3>\u672c\u793a\u4f8b\u6240\u6559\u6388\u7684\u5185\u5bb9<\/h3>\n<ul>\n<li>\n<p>\u5efa\u6a21\u590d\u6742\u5de5\u4f5c\u6d41\u7a0b\uff08<code data-backticks=\"1\">Appointment<\/code>\u00a0\u2192\u00a0<code data-backticks=\"1\">Diagnosis<\/code>\u00a0\u2192\u00a0<code data-backticks=\"1\">Treatment<\/code>\u00a0\u2192\u00a0<code data-backticks=\"1\">Billing<\/code>)<\/p>\n<\/li>\n<li>\n<p>\u5904\u7406\u57fa\u4e8e\u89d2\u8272\u7684\u5173\u7cfb\uff08<code data-backticks=\"1\">Staff<\/code>\u00a0\u4f5c\u4e3a\u00a0<code data-backticks=\"1\">Doctor<\/code>,\u00a0<code data-backticks=\"1\">\u62a4\u58eb<\/code>\uff0c\u6216<code data-backticks=\"1\">\u7ba1\u7406\u5458<\/code>)<\/p>\n<\/li>\n<li>\n<p>\u9690\u79c1\u610f\u8bc6\u8bbe\u8ba1\uff08\u5c06<code data-backticks=\"1\">\u60a3\u8005<\/code>\u4eba\u53e3\u7edf\u8ba1\u5b66\u6570\u636e\u4e0e<code data-backticks=\"1\">\u75c5\u5386<\/code>)<\/p>\n<\/li>\n<\/ul>\n<h3>\u6211\u7684\u201c\u987f\u609f\u201d\u65f6\u523b<\/h3>\n<p>\u8fd9\u4e2a\u4f8b\u5b50\u6559\u4f1a\u4e86\u6211<strong>\u6a21\u5757\u5316\u5efa\u6a21<\/strong>\u3002\u800c\u4e0d\u662f\u4e00\u4e2a\u5de8\u5927\u7684<code data-backticks=\"1\">\u60a3\u8005<\/code>\u5b9e\u4f53\u5305\u542b50\u4e2a\u5b57\u6bb5\uff0c\u76f8\u5173\u95ee\u9898\u88ab\u62c6\u5206\u4e3a<code data-backticks=\"1\">\u60a3\u8005<\/code>,\u00a0<code data-backticks=\"1\">\u75c5\u5386<\/code>,\u00a0<code data-backticks=\"1\">\u4fdd\u9669<\/code>\uff0c\u4ee5\u53ca<code data-backticks=\"1\">\u7d27\u6025\u8054\u7cfb\u4eba<\/code>\u3002\u8fd9\u4f7f\u5f97\u56fe\u8868\u66f4\u6613\u8bfb\uff0c\u6570\u636e\u5e93\u4e5f\u66f4\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<h3>\u6b64\u6a21\u5f0f\u7684\u5b9e\u7528\u6280\u5de7<\/h3>\n<p>\u2705 \u4f7f\u7528\u989c\u8272\u7f16\u7801\u6216\u5206\u7ec4\u6846\u6765\u89c6\u89c9\u4e0a\u805a\u96c6\u76f8\u5173\u5b9e\u4f53\uff08\u4f8b\u5982\uff0c\u6240\u6709\u8ba1\u8d39\u5b9e\u4f53\uff09<br \/>\n\u2705 \u6dfb\u52a0\u6ce8\u91ca\u4ee5\u8bf4\u660e\u65e0\u6cd5\u56fe\u5f62\u5316\u5c55\u793a\u7684\u4e1a\u52a1\u89c4\u5219\uff08\u201c\u60a3\u8005\u5fc5\u987b\u6709\u4e00\u4f4d\u4e3b\u8981\u6cbb\u7597\u533b\u751f\u201d\uff09<br \/>\n\u2705 \u65e9\u671f\u5efa\u6a21\u5ba1\u8ba1\u9700\u6c42\uff1a\u8c01\u5728\u4f55\u65f6\u4ee5\u53ca\u4e3a\u4f55\u8bbf\u95ee\u4e86\u8bb0\u5f55<\/p>\n<hr\/>\n<h2>\u793a\u4f8b5\uff1aER\u6a21\u578b\uff1a\u5b66\u751f\u6210\u7ee9\u2014\u2014\u4e09\u5143\u5173\u7cfb\uff08\u9ad8\u7ea7\u6982\u5ff5\uff09<\/h2>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-model-student-score-ternary-relationship\" title=\"ER Model: Student Score - Ternary Relationship\"><img alt=\"ER Model: Student Score - Ternary Relationship (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/8c19cb11-48a3-4ebf-a914-08efc3484567.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/8c19cb11-48a3-4ebf-a914-08efc3484567.xml&amp;name=ER%20Model:%20Student%20Score%20-%20Ternary%20Relationship\">ER\u6a21\u578b\uff1a\u5b66\u751f\u6210\u7ee9\u2014\u2014\u4e09\u5143\u5173\u7cfb<\/a><\/p>\n<h3>\u6b64\u793a\u4f8b\u6240\u6559\u6388\u7684\u5185\u5bb9<\/h3>\n<ul>\n<li>\n<p>\u4e09\u5143\u5173\u7cfb\uff1a\u5f53\u4e09\u4e2a\u5b9e\u4f53\u6709\u610f\u4e49\u5730\u76f8\u4ea4\u65f6\uff08<code data-backticks=\"1\">\u5b66\u751f<\/code>\u00a0+\u00a0<code data-backticks=\"1\">\u8bfe\u7a0b<\/code>\u00a0+\u00a0<code data-backticks=\"1\">\u5b66\u671f<\/code>\u00a0\u2192\u00a0<code data-backticks=\"1\">\u6210\u7ee9<\/code>)<\/p>\n<\/li>\n<li>\n<p>\u4f55\u65f6\u5e94\u5c06\u4e09\u5143\u5173\u7cfb\u66ff\u6362\u4e3a\u5173\u8054\u5b9e\u4f53\u4ee5\u63d0\u9ad8\u6e05\u6670\u5ea6<\/p>\n<\/li>\n<li>\n<p>\u5efa\u6a21\u6709\u65f6\u95f4\u9650\u5236\u7684\u5173\u7cfb\uff08\u5b66\u751f\u5728\u8bfe\u7a0b\u4e2d\u7684\u6210\u7ee9\u53d6\u51b3\u4e8e\u5b66\u671f\uff09<\/p>\n<\/li>\n<\/ul>\n<h3>\u6211\u7684\u201c\u987f\u609f\u201d\u65f6\u523b<\/h3>\n<p>\u6211\u8fc7\u53bb\u5e38\u5e38\u5f3a\u884c\u5c06\u4e09\u5143\u5173\u7cfb\u62c6\u5206\u4e3a\u591a\u4e2a\u4e8c\u5143\u5173\u7cfb\uff0c\u4ece\u800c\u4e22\u5931\u4e86\u5173\u952e\u4e0a\u4e0b\u6587\u3002\u8fd9\u4e2a\u4f8b\u5b50\u8868\u660e\uff0c<strong>\u6709\u65f6\u4e09\u8005\u4e4b\u95f4\u7684\u5173\u7cfb\u624d\u662f\u6700\u771f\u5b9e\u3001\u6700\u8bda\u5b9e\u7684\u8868\u8fbe\u65b9\u5f0f<\/strong>\u2014\u2014\u4f46\u901a\u5e38\uff0c\u5c06\u5176\u8f6c\u6362\u4e3a\u5173\u8054\u5b9e\u4f53\uff08<code data-backticks=\"1\">\u6ce8\u518c<\/code>\uff09\u5e76\u5e26\u6709\u5c5e\u6027\uff08<code data-backticks=\"1\">\u6210\u7ee9<\/code>,\u00a0<code data-backticks=\"1\">\u51fa\u52e4<\/code>\uff09\u5728\u5b9e\u73b0\u4e0a\u66f4\u4e3a\u5b9e\u7528\u3002<\/p>\n<h3>\u6b64\u6a21\u5f0f\u7684\u5b9e\u7528\u6280\u5de7<\/h3>\n<p>\u2705 \u8be2\u95ee\uff1a\u2018\u8fd9\u4e2a\u5173\u7cfb\u80fd\u5426\u62e5\u6709\u81ea\u5df1\u7684\u5c5e\u6027\uff1f\u2019 \u5982\u679c\u53ef\u4ee5\uff0c\u5c31\u4f7f\u7528\u5173\u8054\u5b9e\u4f53<br \/>\n\u2705 \u5728\u56fe\u793a\u6ce8\u91ca\u4e2d\u8bb0\u5f55\u9700\u8981\u4e09\u5143\u5173\u7cfb\u7684\u4e1a\u52a1\u89c4\u5219<br \/>\n\u2705 \u5728\u5b9e\u73b0\u4e2d\uff0c\u5173\u8054\u5b9e\u4f53\u901a\u5e38\u4f1a\u53d8\u6210\u4e00\u4e2a\u5305\u542b\u4e09\u4e2a\u5916\u952e\u7684\u8868<\/p>\n<hr\/>\n<h2>\u6211\u6700\u5e38\u7528\u76845\u4e2aERD\u6280\u5de7\u4e0e\u7a8d\u95e8\uff08\u9760\u7ecf\u9a8c\u5f97\u6765\uff09<\/h2>\n<p>\u5728\u5904\u7406\u4e86\u6570\u5341\u4e2a\u793a\u4f8b\u540e\uff0c\u8fd9\u4e9b\u4e60\u60ef\u5e2e\u6211\u8282\u7701\u4e86\u6570\u5c0f\u65f6\u65f6\u95f4\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u5148\u4ece\u6982\u5ff5\u5165\u624b\uff0c\u518d\u9010\u6b65\u4f18\u5316<\/strong><br \/>\n\u5148\u5728\u7eb8\u4e0a\u8349\u62df\u5b9e\u4f53\u548c\u5173\u7cfb\u3002\u5728\u7ed3\u6784\u611f\u89c9\u5408\u7406\u4e4b\u524d\uff0c\u4e0d\u8981\u7ea0\u7ed3\u4e8e\u5c5e\u6027\u7ec6\u8282\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5c06\u5173\u7cfb\u547d\u540d\u4e3a\u52a8\u8bcd<\/strong><br \/>\n<code data-backticks=\"1\">\u5ba2\u6237\u4e0b\u5355<\/code>\u6bd4\u4ec5\u4ec5\u4e00\u6761\u7ebf\u66f4\u6e05\u6670\u3002\u672a\u6765\u7684\u4f60\uff08\u4ee5\u53ca\u4f60\u7684\u961f\u53cb\uff09\u4f1a\u611f\u8c22\u4f60\u7684\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5c06\u793a\u4f8b\u56fe\u5e93\u7528\u4f5c\u901f\u67e5\u8868<\/strong><br \/>\nVisual Paradigm \u7684\u6a21\u677f\u5e93\u4e0d\u4ec5\u4ec5\u662f\u7075\u611f\u6765\u6e90\u2014\u2014\u5b83\u662f\u4e00\u4e2a\u6a21\u5f0f\u5e93\u3002\u590d\u5236\u4e00\u4e2a\u7c7b\u4f3c\u7684\u793a\u4f8b\u5e76\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u901a\u8fc7\u771f\u5b9e\u573a\u666f\u9a8c\u8bc1\u57fa\u6570<\/strong><br \/>\n\u63d0\u95ee\uff1a\u201c\u8fd9\u79cd\u60c5\u51b5\u53ef\u80fd\u53d1\u751f\u5417\uff1f\u201d\uff08\u4f8b\u5982\uff1a\u201c\u8ba2\u5355\u53ef\u4ee5\u5728\u6ca1\u6709\u5ba2\u6237\u7684\u60c5\u51b5\u4e0b\u5b58\u5728\u5417\uff1f\u201d\u5982\u679c\u53ef\u4ee5\uff0c\u5c31\u8c03\u6574\u57fa\u6570\uff09\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6dfb\u52a0\u201c\u56fe\u4f8b\u201d\u6216\u201c\u5907\u6ce8\u201d\u5b9e\u4f53<\/strong><br \/>\n\u5bf9\u4e8e\u590d\u6742\u7684\u56fe\u8868\uff0c\u6dfb\u52a0\u4e00\u4e2a\u6d6e\u52a8\u7684\u6ce8\u91ca\u6846\uff0c\u7528\u4e8e\u89e3\u91ca\u5047\u8bbe\u3001\u4e1a\u52a1\u89c4\u5219\u6216\u7248\u672c\u4fe1\u606f\u3002<\/p>\n<\/li>\n<\/ol>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/04\/img_69df51175f0b3.\"\/><\/p>\n<h1>\u6982\u5ff5ER\u56fe<\/h1>\n<p>\u8bbe\u8ba1\u8005\uff1a<a href=\"https:\/\/online.visual-paradigm.com\/community\/user\/gugu%20dev\">@Gugu Dev<\/a><\/p>\n<hr\/>\n<h2>\u65b0\u7ed3\u8bba\uff1a\u8f6e\u5230\u4f60\u901a\u8fc7\u5b9e\u8df5\u6765\u5b66\u4e60\u4e86<\/h2>\n<p>\u6570\u636e\u5e93\u8bbe\u8ba1\u4e0d\u5fc5\u4ee4\u4eba\u754f\u60e7\u3002\u901a\u8fc7\u7814\u7a76\u73b0\u5b9e\u4e16\u754c\u7684\u793a\u4f8b\u2014\u2014\u6bd4\u5982\u6211\u4eec\u63a2\u8ba8\u7684\u4e94\u4e2a\u793a\u4f8b\u2014\u2014\u4f60\u5c06\u5185\u5316\u6559\u79d1\u4e66\u65e0\u6cd5\u4f20\u8fbe\u7684\u6a21\u5f0f\u3002\u4ece\u7b80\u5355\u7684\u5b66\u6821ER\u56fe\u5f00\u59cb\u5efa\u7acb\u4fe1\u5fc3\uff0c\u7136\u540e\u9010\u6b65\u6311\u6218\u66f4\u590d\u6742\u7684\u6a21\u578b\uff0c\u4f8b\u5982\u533b\u9662\u7cfb\u7edf\u6216\u4e09\u5143\u5173\u7cfb\u793a\u4f8b\u3002<\/p>\n<p>\u6211\u7684\u5efa\u8bae\u662f\uff1a\u6253\u5f00 Visual Paradigm \u7684\u5728\u7ebf ER 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href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/erd-tool\/\">Visual Paradigm \u5728\u7ebf ER \u56fe\u5de5\u5177<\/a><\/strong>\uff1a\u4e00\u4e2a\u529f\u80fd\u5168\u9762\u7684\u5728\u7ebf\u5e73\u53f0\uff0c\u901a\u8fc7\u62d6\u653e\u64cd\u4f5c\u5373\u53ef\u8f7b\u677e\u521b\u5efa\u6982\u5ff5\u3001\u903b\u8f91\u548c\u7269\u7406 ER \u56fe\u3002<\/p>\n<\/li>\n<li>\n<p><strong><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/simple-school-and-student-erd\">\u7b80\u5355\u5b66\u6821\u4e0e\u5b66\u751f ER \u56fe<\/a><\/strong>\uff1a\u9002\u5408\u521d\u5b66\u8005\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u6559\u80b2\u573a\u666f\u4e2d\u7684\u57fa\u672c\u5b9e\u4f53\u3001\u5c5e\u6027\u4ee5\u53ca\u4e00\u5bf9\u591a\u5173\u7cfb\u3002<\/p>\n<\/li>\n<li>\n<p><strong><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-atm\">ER \u56fe\u793a\u4f8b \u2013 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