{"id":1788,"date":"2026-03-24T10:17:05","date_gmt":"2026-03-24T10:17:05","guid":{"rendered":"https:\/\/www.go-diagram.com\/cn\/best-practices-clean-maintainable-entity-relationship-diagrams\/"},"modified":"2026-03-24T10:17:05","modified_gmt":"2026-03-24T10:17:05","slug":"best-practices-clean-maintainable-entity-relationship-diagrams","status":"publish","type":"post","link":"https:\/\/www.go-diagram.com\/cn\/best-practices-clean-maintainable-entity-relationship-diagrams\/","title":{"rendered":"ERD\u6307\u5357\uff1a\u521b\u5efa\u6e05\u6670\u3001\u53ef\u7ef4\u62a4\u7684\u5b9e\u4f53-\u5173\u7cfb\u56fe\u7684\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"<p>\u8bbe\u8ba1\u4e00\u4e2a\u5065\u58ee\u7684\u6570\u636e\u5e93\u6a21\u5f0f\u662f\u8f6f\u4ef6\u5de5\u7a0b\u4e2d\u7684\u57fa\u7840\u6b65\u9aa4\u3002\u8be5\u67b6\u6784\u7684\u84dd\u56fe\u5c31\u662f\u5b9e\u4f53-\u5173\u7cfb\u56fe\uff08ERD\uff09\u3002ERD\u80fd\u591f\u53ef\u89c6\u5316\u6570\u636e\u7684\u7ed3\u6784\uff0c\u5b9a\u4e49\u4e0d\u540c\u4fe1\u606f\u7247\u6bb5\u4e4b\u95f4\u7684\u5173\u8054\u5173\u7cfb\u3002\u867d\u7136\u4e00\u4e2a\u529f\u80fd\u6b63\u786e\u7684\u56fe\u80fd\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\uff0c\u4f46\u4e00\u4e2a\u6e05\u6670\u3001\u53ef\u7ef4\u62a4\u7684\u56fe\u624d\u80fd\u786e\u4fdd\u7cfb\u7edf\u5728\u957f\u65f6\u95f4\u5185\u4fdd\u6301\u53ef\u7406\u89e3\u6027\u548c\u53ef\u9002\u5e94\u6027\u3002\u6280\u672f\u503a\u52a1\u5f80\u5f80\u5e76\u975e\u79ef\u7d2f\u5728\u4ee3\u7801\u672c\u8eab\uff0c\u800c\u662f\u79ef\u7d2f\u5728\u90a3\u4e9b\u8fc7\u65f6\u6216\u4ee4\u4eba\u56f0\u60d1\u7684\u6587\u6863\u548c\u8bbe\u8ba1\u6587\u6863\u4e2d\u3002\u672c\u6307\u5357\u6982\u8ff0\u4e86\u521b\u5efa\u80fd\u591f\u7ecf\u53d7\u65f6\u95f4\u8003\u9a8c\u7684ERD\u7684\u57fa\u672c\u539f\u5219\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Hand-drawn infographic illustrating 7 best practices for clean, maintainable Entity-Relationship Diagrams: naming conventions with plural entities and snake_case attributes, structural integrity with primary\/foreign keys and crow's foot notation, visual clarity through grouped entities and orthogonal lines, documentation with version control and business rule annotations, collaboration via peer reviews and standardized templates, maintenance lifecycle with schema sync and migration scripts, and common pitfalls to avoid like generic names and hidden relationships. Features sketch-style organic illustration with muted blues, warm grays, and accent colors on textured paper background, designed for software engineers and database architects.\" decoding=\"async\" src=\"https:\/\/www.go-diagram.com\/wp-content\/uploads\/2026\/03\/clean-maintainable-erd-best-practices-infographic-hand-drawn.jpg\"\/><\/figure>\n<\/div>\n<h2>1. \u547d\u540d\u89c4\u8303\u4e0e\u6807\u51c6 \ud83c\udff7\ufe0f<\/h2>\n<p>\u5b9e\u4f53\u6216\u5c5e\u6027\u7684\u540d\u79f0\u662f\u4efb\u4f55\u5ba1\u67e5\u6a21\u5f0f\u7684\u5f00\u53d1\u4eba\u5458\u63a5\u89e6\u5230\u7684\u7b2c\u4e00\u4e2a\u8981\u7d20\u3002\u547d\u540d\u4e0d\u4e00\u81f4\u4f1a\u5e26\u6765\u6469\u64e6\uff0c\u51cf\u6162\u5165\u804c\u901f\u5ea6\uff0c\u5e76\u589e\u52a0\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u7684\u9519\u8bef\u6982\u7387\u3002\u6807\u51c6\u5316\u7684\u547d\u540d\u7b56\u7565\u4e0d\u4ec5\u4ec5\u662f\u7f8e\u89c2\u95ee\u9898\uff0c\u66f4\u662f\u4e00\u79cd\u6c9f\u901a\u534f\u8bae\u3002<\/p>\n<h3>\u5b9e\u4f53\u547d\u540d\u89c4\u5219<\/h3>\n<ul>\n<li><strong>\u590d\u6570\u5f62\u5f0f\uff1a<\/strong> \u5b9e\u4f53\u901a\u5e38\u5e94\u4f7f\u7528\u590d\u6570\u5f62\u5f0f\u547d\u540d\uff08\u4f8b\u5982\uff0c<code>\u7528\u6237<\/code>, <code>\u8ba2\u5355<\/code>\uff09\uff0c\u4ee5\u8868\u793a\u4e00\u7ec4\u8bb0\u5f55\u3002\u5355\u6570\u540d\u79f0\uff08\u4f8b\u5982\uff0c<code>\u7528\u6237<\/code>\uff09\u53ef\u80fd\u6697\u793a\u5355\u4e2a\u5b9e\u4f8b\uff0c\u800c\u8fd9\u5728\u5173\u7cfb\u578b\u8868\u4e2d\u5f88\u5c11\u89c1\u3002<\/li>\n<li><strong>\u9a7c\u5cf0\u547d\u540d\u6cd5\u6216\u86c7\u5f62\u547d\u540d\u6cd5\uff1a<\/strong> \u9009\u62e9\u4e00\u79cd\u98ce\u683c\u5e76\u7edf\u4e00\u5e94\u7528\u3002\u9a7c\u5cf0\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff0c<code>CustomerOrder<\/code>\uff09\u5e38\u7528\u4e8e\u9762\u5411\u5bf9\u8c61\u7684\u4e0a\u4e0b\u6587\u4e2d\uff0c\u800c\u86c7\u5f62\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff0c<code>customer_order<\/code>\uff09\u5728SQL\u73af\u5883\u4e2d\u66f4\u53d7\u9752\u7750\u3002\u907f\u514d\u6df7\u5408\u4f7f\u7528\u98ce\u683c\u3002<\/li>\n<li><strong>\u63cf\u8ff0\u6027\uff1a<\/strong> \u540d\u79f0\u5fc5\u987b\u51c6\u786e\u63cf\u8ff0\u5176\u6240\u5305\u542b\u7684\u6570\u636e\u3002\u907f\u514d\u4f7f\u7528\u5982<code>tbl_cust<\/code>\u6216<code>ord<\/code>\u4e4b\u7c7b\u7684\u7f29\u5199\u3002\u5982\u679c\u5fc5\u987b\u4f7f\u7528\u7f29\u5199\uff0c\u5e94\u5b9a\u4e49\u672f\u8bed\u8868\u3002\u4f18\u5148\u4f7f\u7528<code>Customer<\/code>\u800c\u975e<code>Cust<\/code>.<\/li>\n<li><strong>\u907f\u514d\u4f7f\u7528\u4fdd\u7559\u5b57\uff1a<\/strong> \u786e\u4fdd\u5b9e\u4f53\u540d\u79f0\u4e0d\u4e0e\u6570\u636e\u5e93\u5173\u952e\u5b57\u51b2\u7a81\uff08\u4f8b\u5982\uff0c<code>Group<\/code>, <code>Order<\/code>, <code>Key<\/code>\uff09\u3002\u5982\u679c\u51b2\u7a81\u4e0d\u53ef\u907f\u514d\uff0c\u8bf7\u5c06\u540d\u79f0\u7528\u5f15\u53f7\u62ec\u8d77\u6765\u6216\u4f7f\u7528\u524d\u7f00\uff0c\u5c3d\u7ba1\u91cd\u547d\u540d\u662f\u66f4\u4f18\u7684\u9009\u62e9\u3002<\/li>\n<\/ul>\n<h3>\u5c5e\u6027\u547d\u540d\u89c4\u5219<\/h3>\n<ul>\n<li><strong>\u5c0f\u5199\u6807\u51c6\uff1a<\/strong> \u5bf9\u5c5e\u6027\u4f7f\u7528\u5c0f\u5199\uff0c\u4ee5\u786e\u4fdd\u5728\u4e0d\u540c\u6570\u636e\u5e93\u5f15\u64ce\u4e2d\u4fdd\u6301\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u3002<code>FirstName<\/code> \u5e94\u4e3a <code>first_name<\/code>.<\/li>\n<li><strong>\u5916\u952e\u524d\u7f00\uff1a<\/strong> \u5728\u5f15\u7528\u53e6\u4e00\u4e2a\u5b9e\u4f53\u65f6\uff0c\u5916\u952e\u540d\u79f0\u5e94\u5c3d\u91cf\u4e0e\u88ab\u5f15\u7528\u5b9e\u4f53\u7684\u4e3b\u952e\u540d\u79f0\u5339\u914d\uff0c\u901a\u5e38\u901a\u8fc7\u540e\u7f00\u8868\u793a\u6765\u6e90\u6216\u524d\u7f00\u8868\u793a\u76ee\u6807\u3002\u4f8b\u5982\uff0c\u5982\u679c <code>Users<\/code> \u8868\u6709\u4e00\u4e2a <code>user_id<\/code>\uff0c\u90a3\u4e48 <code>Orders<\/code> \u8868\u5e94\u5c06\u5176\u5f15\u7528\u4e3a <code>user_id<\/code>.<\/li>\n<li><strong>\u5e03\u5c14\u503c\u6e05\u6670\u6027\uff1a<\/strong> \u5e03\u5c14\u5c5e\u6027\u5e94\u4ee5\u95ee\u9898\u5f62\u5f0f\u6216\u660e\u786e\u7684\u6807\u5fd7\u547d\u540d\uff08\u4f8b\u5982\uff0c<code>is_active<\/code>, <code>has_subscription<\/code>\uff09\u800c\u4e0d\u662f\u50cf <code>\u72b6\u6001<\/code> \u6216 <code>\u6807\u5fd7<\/code>.<\/li>\n<\/ul>\n<h2>2. \u7ed3\u6784\u5b8c\u6574\u6027\u548c\u89c4\u8303\u5316 \u2696\ufe0f<\/h2>\n<p>\u4e00\u4e2a\u770b\u8d77\u6765\u4e0d\u9519\u4f46\u8fdd\u53cd\u89c4\u8303\u5316\u539f\u5219\u7684\u56fe\u8868\u4f1a\u5bfc\u81f4\u6570\u636e\u5f02\u5e38\u3002\u53ef\u7ef4\u62a4\u6027\u8981\u6c42\u7ed3\u6784\u652f\u6301\u9ad8\u6548\u67e5\u8be2\u5e76\u6700\u5c0f\u5316\u5197\u4f59\u3002<\/p>\n<h3>\u4e3b\u952e<\/h3>\n<ul>\n<li><strong>\u663e\u5f0f\u58f0\u660e\uff1a<\/strong> \u6bcf\u4e2a\u8868\u90fd\u5fc5\u987b\u6709\u660e\u786e\u7684\u4e3b\u952e\u3002\u5207\u52ff\u4f9d\u8d56\u6570\u636e\u5e93\u5f15\u64ce\u5728\u6ca1\u6709\u6587\u6863\u8bf4\u660e\u7684\u60c5\u51b5\u4e0b\u9690\u5f0f\u751f\u6210\u4e3b\u952e\u3002<\/li>\n<li><strong>\u4ee3\u7406\u952e\uff1a<\/strong> \u8003\u8651\u4f7f\u7528\u4ee3\u7406\u952e\uff08\u81ea\u589e\u6574\u6570\u6216UUID\uff09\u800c\u975e\u81ea\u7136\u952e\uff08\u5982\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u6216\u793e\u4f1a\u5b89\u5168\u53f7\u7801\uff09\u3002\u81ea\u7136\u952e\u53ef\u80fd\u53d1\u751f\u53d8\u5316\uff0c\u9700\u8981\u5728\u6574\u4e2a\u6570\u636e\u5e93\u4e2d\u8fdb\u884c\u7ea7\u8054\u66f4\u65b0\uff0c\u8fd9\u65e2\u5371\u9669\u53c8\u6602\u8d35\u3002<\/li>\n<li><strong>\u590d\u5408\u952e\uff1a<\/strong> \u4ec5\u5728\u903b\u8f91\u4e0a\u5fc5\u8981\u65f6\uff08\u4f8b\u5982\uff0c\u591a\u5bf9\u591a\u5173\u8054\u8868\uff09\u624d\u4f7f\u7528\u590d\u5408\u952e\u3002\u907f\u514d\u5728\u4e3b\u8981\u5b9e\u4f53\u4e2d\u4f7f\u7528\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u4f7f\u7d22\u5f15\u548c\u5173\u7cfb\u53d8\u5f97\u590d\u6742\u3002<\/li>\n<\/ul>\n<h3>\u5916\u952e\u548c\u5f15\u7528\u5b8c\u6574\u6027<\/h3>\n<ul>\n<li><strong>\u5b9a\u4e49\u5173\u7cfb\uff1a<\/strong> \u6bcf\u4e2a\u5916\u952e\u90fd\u5fc5\u987b\u5728\u56fe\u8868\u4e2d\u660e\u786e\u6807\u8bc6\u3002\u4e0d\u8981\u4ec5\u4f9d\u8d56\u547d\u540d\u7ea6\u5b9a\u6765\u6697\u793a\u5173\u7cfb\u3002<\/li>\n<li><strong>\u7ea7\u8054\u89c4\u5219\uff1a<\/strong> \u8bb0\u5f55\u5220\u9664\u548c\u66f4\u65b0\u7684\u884c\u4e3a\u3002\u5f53\u7236\u8bb0\u5f55\u88ab\u5220\u9664\u65f6\uff0c\u5b50\u8bb0\u5f55\u662f\u5426\u5e94\u88ab\u5220\u9664\uff1f\u662f\u5426\u5e94\u8bbe\u4e3a\u7a7a\uff1f\u8fd9\u4e9b\u89c4\u5219\uff08CASCADE\u3001SET NULL\u3001RESTRICT\uff09\u5fc5\u987b\u5728\u8bbe\u8ba1\u6587\u6863\u4e2d\u6e05\u6670\u53ef\u89c1\u3002<\/li>\n<li><strong>\u907f\u514d\u5faa\u73af\u4f9d\u8d56\uff1a<\/strong> \u786e\u4fdd\u5173\u7cfb\u4e0d\u4f1a\u9020\u6210\u5faa\u73af\u4f9d\u8d56\uff0c\u4ee5\u514d\u5bfc\u81f4\u8fde\u63a5\u64cd\u4f5c\u65e0\u6cd5\u8fdb\u884c\u6216\u6027\u80fd\u4e0d\u53ef\u9884\u6d4b\u3002<\/li>\n<\/ul>\n<h2>3. \u89c6\u89c9\u6e05\u6670\u5ea6\u548c\u5e03\u5c40 \ud83c\udfa8<\/h2>\n<p>ERD\u662f\u4e00\u79cd\u89c6\u89c9\u5de5\u5177\u3002\u5982\u679c\u5e03\u5c40\u6742\u4e71\uff0c\u6570\u636e\u6a21\u578b\u5c06\u96be\u4ee5\u7406\u89e3\u3002\u89c6\u89c9\u5c42\u6b21\u7ed3\u6784\u6709\u52a9\u4e8e\u8bfb\u8005\u4e00\u76ee\u4e86\u7136\u5730\u7406\u89e3\u7cfb\u7edf\u7684\u67b6\u6784\u3002<\/p>\n<h3>\u5206\u7ec4\u4e0e\u7ec4\u7ec7<\/h3>\n<ul>\n<li><strong>\u529f\u80fd\u5206\u7ec4\uff1a<\/strong> \u5c06\u76f8\u5173\u5b9e\u4f53\u653e\u5728\u4e00\u8d77\u3002\u4f8b\u5982\uff0c\u5c06\u6240\u6709\u7528\u6237\u7ba1\u7406\u8868\u653e\u5728\u4e00\u8d77\uff0c\u6240\u6709\u4e8b\u52a1\u8868\u653e\u5728\u4e00\u4e2a\u72ec\u7acb\u7684\u96c6\u7fa4\u4e2d\u3002<\/li>\n<li><strong>\u903b\u8f91\u5206\u79bb\uff1a<\/strong> \u5c06\u53ea\u8bfb\u6570\u636e\u4e0e\u5199\u5165\u5bc6\u96c6\u578b\u6570\u636e\u5206\u5f00\u3002\u5982\u679c\u7cfb\u7edf\u5305\u542b\u62a5\u8868\u8868\uff0c\u8bf7\u5728\u89c6\u89c9\u4e0a\u5c06\u5176\u4e0e\u64cd\u4f5c\u8868\u533a\u5206\u5f00\u3002<\/li>\n<li><strong>\u65b9\u5411\u6027\u6d41\u52a8\uff1a<\/strong> \u5e03\u5c40\u56fe\u8868\u4ee5\u6697\u793a\u6570\u636e\u6d41\u5411\u3002\u901a\u5e38\u8fd9\u610f\u5473\u7740\u5c06\u6838\u5fc3\u53c2\u8003\u6570\u636e\u653e\u5728\u9876\u90e8\u6216\u5de6\u4fa7\uff0c\u800c\u4e8b\u52a1\u6216\u65e5\u5fd7\u6570\u636e\u653e\u5728\u5e95\u90e8\u6216\u53f3\u4fa7\u3002<\/li>\n<\/ul>\n<h3>\u8fde\u63a5\u7ebf<\/h3>\n<ul>\n<li><strong>\u6b63\u4ea4\u5e03\u7ebf\uff1a<\/strong>\u5c3d\u53ef\u80fd\u4f7f\u7528\u76f4\u89d2\u7ebf\u800c\u975e\u5bf9\u89d2\u7ebf\u3002\u5bf9\u89d2\u7ebf\u7ecf\u5e38\u76f8\u4e92\u4ea4\u53c9\uff0c\u9020\u6210\u89c6\u89c9\u5e72\u6270\u3002<\/li>\n<li><strong>\u51cf\u5c11\u4ea4\u53c9\uff1a<\/strong>\u8c03\u6574\u5b9e\u4f53\u4f4d\u7f6e\uff0c\u4ee5\u51cf\u5c11\u5173\u7cfb\u7ebf\u4ea4\u53c9\u7684\u6b21\u6570\u3002\u4ea4\u53c9\u7684\u7ebf\u6761\u4f1a\u906e\u6321\u5173\u7cfb\u7684\u8def\u5f84\u3002<\/li>\n<li><strong>\u57fa\u6570\u8868\u793a\uff1a<\/strong>\u4e00\u81f4\u5730\u4f7f\u7528\u6807\u51c6\u8868\u793a\u6cd5\uff08Crow\u2019s Foot\u3001Chen \u6216 UML\uff09\u3002\u786e\u4fdd\u201c\u4e00\u201d\u548c\u201c\u591a\u201d\u7aef\u6e05\u6670\u6807\u660e\u3002\u4e0d\u8981\u4ec5\u4f9d\u8d56\u7ebf\u6761\u7c97\u7ec6\u6216\u989c\u8272\u6765\u8868\u793a\u57fa\u6570\u3002<\/li>\n<\/ul>\n<h2>4. \u6587\u6863\u4e0e\u5143\u6570\u636e \ud83d\udcdd<\/h2>\n<p>\u4ec5\u9760\u56fe\u8868\u672c\u8eab\u662f\u4e0d\u591f\u7684\u3002\u5143\u6570\u636e\u63d0\u4f9b\u4e86\u7406\u89e3\u8bbe\u8ba1\u51b3\u7b56\u80cc\u540e\u201c\u539f\u56e0\u201d\u7684\u5fc5\u8981\u4e0a\u4e0b\u6587\u3002<\/p>\n<h3>\u6ce8\u91ca\u4e0e\u6807\u6ce8<\/h3>\n<ul>\n<li><strong>\u4e1a\u52a1\u903b\u8f91\uff1a<\/strong>\u6dfb\u52a0\u6ce8\u91ca\u4ee5\u89e3\u91ca\u7279\u5b9a\u7684\u4e1a\u52a1\u89c4\u5219\u3002\u4f8b\u5982\uff0c\u5728\u201c<code>\u8ba2\u5355<\/code>\u201d\u8868\u4e0a\u6dfb\u52a0\u7684\u6ce8\u91ca\u53ef\u80fd\u8bf4\u660e\uff1a\u5982\u679c\u652f\u4ed8\u72b6\u6001\u4e0d\u662f<code>\u5df2\u5b8c\u6210<\/code>.<\/li>\n<li><strong>\u7ea6\u675f\uff1a<\/strong>\u8bb0\u5f55\u552f\u4e00\u7ea6\u675f\u3001\u68c0\u67e5\u7ea6\u675f\u548c\u9ed8\u8ba4\u503c\u3002\u8fd9\u4e9b\u4fe1\u606f\u5728\u4ec5\u67e5\u770b\u6a21\u5f0f\u56fe\u65f6\u5e38\u5e38\u88ab\u5ffd\u7565\u3002<\/li>\n<li><strong>\u5f03\u7528\u6807\u8bb0\uff1a<\/strong>\u5982\u679c\u67d0\u4e2a\u5b9e\u4f53\u6216\u5c5e\u6027\u5df2\u88ab\u5f03\u7528\u4f46\u4ecd\u4e3a\u5411\u540e\u517c\u5bb9\u800c\u4fdd\u7559\uff0c\u8bf7\u660e\u786e\u6807\u8bb0\u3002\u4e0d\u8981\u9690\u85cf\u5b83\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u4ecd\u5728\u65e7\u4ee3\u7801\u4e2d\u88ab\u5f15\u7528\u3002<\/li>\n<\/ul>\n<h3>\u7248\u672c\u63a7\u5236<\/h3>\n<ul>\n<li><strong>\u53d8\u66f4\u65e5\u5fd7\uff1a<\/strong>\u7ef4\u62a4\u53d8\u66f4\u5386\u53f2\u3002\u8c01\u4fee\u6539\u4e86\u6a21\u5f0f\uff1f\u4f55\u65f6\u4fee\u6539\u7684\uff1f\u4e3a\u4ec0\u4e48\u4fee\u6539\uff1f\u8fd9\u5bf9\u4e8e\u8c03\u8bd5\u751f\u4ea7\u95ee\u9898\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<li><strong>\u7248\u672c\u53f7\uff1a<\/strong>\u7528\u7248\u672c\u53f7\u6807\u8bb0\u56fe\u8868\uff08\u4f8b\u5982 v1.0\u3001v1.1\uff09\u3002\u5f53\u591a\u4e2a\u6570\u636e\u5e93\u8fc1\u79fb\u540c\u65f6\u8fdb\u884c\u65f6\uff0c\u8fd9\u53ef\u4ee5\u907f\u514d\u6df7\u6dc6\u3002<\/li>\n<\/ul>\n<h2>5. \u534f\u4f5c\u4e0e\u8bc4\u5ba1\u6d41\u7a0b \ud83e\udd1d<\/h2>\n<p>\u6570\u636e\u5e93\u8bbe\u8ba1\u5f88\u5c11\u662f\u5b64\u7acb\u7684\u4efb\u52a1\u3002\u5b83\u9700\u8981\u540e\u7aef\u5de5\u7a0b\u5e08\u3001\u6570\u636e\u5206\u6790\u5e08\u548c\u4e1a\u52a1\u76f8\u5173\u65b9\u7684\u5171\u540c\u53c2\u4e0e\u3002<\/p>\n<h3>\u540c\u884c\u8bc4\u5ba1<\/h3>\n<ul>\n<li><strong>\u72ec\u7acb\u5ba1\u8ba1\uff1a<\/strong>\u8bf7\u4e00\u4f4d\u672a\u53c2\u4e0e\u8bbe\u8ba1\u7684\u5f00\u53d1\u4eba\u5458\u8fdb\u884c\u8bc4\u5ba1\u3002\u65b0\u7684\u89c6\u89d2\u80fd\u591f\u53d1\u73b0\u903b\u8f91\u6f0f\u6d1e\u548c\u547d\u540d\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002<\/li>\n<li><strong>\u9886\u57df\u4e13\u5bb6\u9a8c\u8bc1\uff1a<\/strong> \u786e\u4fdd\u6a21\u578b\u51c6\u786e\u53cd\u6620\u4e1a\u52a1\u9886\u57df\u3002\u6570\u636e\u5efa\u6a21\u4eba\u5458\u53ef\u80fd\u770b\u5230\u4e00\u5f20\u8868\uff0c\u4f46\u4e1a\u52a1\u5206\u6790\u5e08\u77e5\u9053\u8fd9\u5f20\u8868\u662f\u5426\u771f\u6b63\u4ee3\u8868\u4e86\u5b9e\u9645\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002<\/li>\n<\/ul>\n<h3>\u5de5\u5177\u4e0e\u6807\u51c6<\/h3>\n<ul>\n<li><strong>\u6807\u51c6\u5316\u6a21\u677f\uff1a<\/strong> \u4e3a\u6240\u6709\u56fe\u8868\u4f7f\u7528\u6a21\u677f\uff0c\u4ee5\u786e\u4fdd\u7ec4\u7ec7\u5185\u4e0d\u540c\u9879\u76ee\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u81ea\u52a8\u5316\u9a8c\u8bc1\uff1a<\/strong> \u4f7f\u7528\u5de5\u5177\u5c06\u56fe\u8868\u4e0e\u5b9e\u9645\u7684\u6570\u636e\u5e93\u6a21\u5f0f\u8fdb\u884c\u9a8c\u8bc1\u3002\u56fe\u8868\u4e0e\u4ee3\u7801\u4e4b\u95f4\u7684\u504f\u5dee\u662f\u5e38\u89c1\u7684\u9519\u8bef\u6765\u6e90\u3002<\/li>\n<\/ul>\n<h2>6. \u7ef4\u62a4\u751f\u547d\u5468\u671f \ud83d\udd04<\/h2>\n<p>\u90e8\u7f72\u540e\uff0cERD \u4e0d\u662f\u9759\u6001\u7684\u3002\u5b83\u4f1a\u4e0d\u65ad\u6f14\u53d8\u3002\u7ef4\u62a4\u8fd9\u79cd\u6f14\u53d8\u9700\u8981\u7eaa\u5f8b\u3002<\/p>\n<h3>\u6a21\u5f0f\u6f02\u79fb\u7ba1\u7406<\/h3>\n<ul>\n<li><strong>\u5b9a\u671f\u540c\u6b65\uff1a<\/strong> \u5b9a\u671f\u4ece\u751f\u4ea7\u6570\u636e\u5e93\u91cd\u65b0\u751f\u6210\u56fe\u8868\uff0c\u4ee5\u786e\u4fdd\u5176\u4e0e\u5b9e\u9645\u60c5\u51b5\u4e00\u81f4\u3002<\/li>\n<li><strong>\u8fc1\u79fb\u811a\u672c\uff1a<\/strong> ERD \u7684\u6bcf\u4e00\u6b21\u53d8\u66f4\u90fd\u5fc5\u987b\u5bf9\u5e94\u4e00\u4e2a\u8fc1\u79fb\u811a\u672c\u3002\u5728\u672a\u66f4\u65b0\u56fe\u8868\u7684\u60c5\u51b5\u4e0b\uff0c\u7edd\u4e0d\u80fd\u624b\u52a8\u4fee\u6539\u6570\u636e\u5e93\u3002<\/li>\n<li><strong>\u5f71\u54cd\u5206\u6790\uff1a<\/strong> \u5728\u66f4\u6539\u4e3b\u952e\u6216\u5220\u9664\u5217\u4e4b\u524d\uff0c\u5206\u6790\u54ea\u4e9b\u4e0b\u6e38\u62a5\u8868\u6216\u5e94\u7528\u7a0b\u5e8f\u4f9d\u8d56\u4e8e\u5b83\u3002<\/li>\n<\/ul>\n<h3>\u6027\u80fd\u8003\u8651<\/h3>\n<ul>\n<li><strong>\u7d22\u5f15\u7b56\u7565\uff1a<\/strong> \u8bb0\u5f55\u54ea\u4e9b\u5217\u88ab\u7d22\u5f15\u4ee5\u53ca\u539f\u56e0\u3002\u8fd9\u6709\u52a9\u4e8e\u672a\u6765\u7684\u5f00\u53d1\u4eba\u5458\u7406\u89e3\u67e5\u8be2\u4f18\u5316\u7684\u51b3\u7b56\u3002<\/li>\n<li><strong>\u5206\u533a\uff1a<\/strong> \u5982\u679c\u4e00\u5f20\u8868\u975e\u5e38\u5e9e\u5927\uff0c\u8bf7\u5728\u56fe\u8868\u4e2d\u6ce8\u660e\u5206\u533a\u7b56\u7565\u3002\u8fd9\u4f1a\u5f71\u54cd\u6570\u636e\u7684\u67e5\u8be2\u548c\u7ef4\u62a4\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n<h2>7. \u5e38\u89c1\u9677\u9631\u4e0e\u53cd\u6a21\u5f0f \ud83d\udeab<\/h2>\n<p>\u907f\u514d\u9519\u8bef\u4e0e\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\u540c\u6837\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u5e38\u89c1\u9519\u8bef\u4e0e\u63a8\u8350\u505a\u6cd5\u7684\u5bf9\u6bd4\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u9677\u9631<\/th>\n<th>\u63a8\u8350\u505a\u6cd5<\/th>\n<th>\u539f\u56e0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u901a\u7528\u540d\u79f0<\/strong><br \/>\u4f8b\u5982\uff0c<code>\u88681<\/code>, <code>\u6570\u636e<\/code><\/td>\n<td><strong>\u5177\u4f53\u540d\u79f0<\/strong><br \/>\u4f8b\u5982\uff0c<code>\u5ba2\u6237\u8d44\u6599<\/code>, <code>\u4ea7\u54c1\u5e93\u5b58<\/code><\/td>\n<td>\u5177\u4f53\u540d\u79f0\u4f7f\u5f00\u53d1\u4eba\u5458\u65e0\u9700\u5916\u90e8\u6587\u6863\u5373\u53ef\u7406\u89e3\u6570\u636e\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9690\u85cf\u7684\u5173\u7cfb<\/strong><br \/>\u8868\u4e4b\u95f4\u6ca1\u6709\u7ed8\u5236\u8fde\u7ebf<\/td>\n<td><strong>\u660e\u786e\u7684\u5916\u952e<\/strong><br \/>\u8fde\u7ebf\u6e05\u6670\u4e14\u5e26\u6709\u6807\u7b7e<\/td>\n<td>\u9690\u5f0f\u5173\u7cfb\u4f1a\u5bfc\u81f4\u6570\u636e\u5b8c\u6574\u6027\u8fdd\u89c4\u548c\u6df7\u6dc6\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8fc7\u5ea6\u89c4\u8303\u5316<\/strong><br \/>\u8868\u592a\u591a\u4e14\u8fc7\u4e8e\u7ec6\u5c0f<\/td>\n<td><strong>\u9002\u5f53\u7684\u89c4\u8303\u5316<\/strong><br \/>\u7b2c\u4e09\u8303\u5f0f\u4e0e\u6027\u80fd\u9700\u6c42\u4e4b\u95f4\u7684\u5e73\u8861<\/td>\n<td>\u8fc7\u591a\u7684\u8fde\u63a5\u4f1a\u663e\u8457\u964d\u4f4e\u67e5\u8be2\u6027\u80fd\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7f3a\u5c11\u5143\u6570\u636e<\/strong><br \/>\u6ca1\u6709\u63cf\u8ff0\u6216\u7c7b\u578b<\/td>\n<td><strong>\u4e30\u5bcc\u7684\u5143\u6570\u636e<\/strong><br 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