{"id":1617,"date":"2026-03-25T10:12:02","date_gmt":"2026-03-25T10:12:02","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/cn\/eliminating-circular-dependencies-erd\/"},"modified":"2026-03-25T10:12:02","modified_gmt":"2026-03-25T10:12:02","slug":"eliminating-circular-dependencies-erd","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/cn\/eliminating-circular-dependencies-erd\/","title":{"rendered":"\u6d88\u9664\u590d\u6742ER\u56fe\u4e2d\u7684\u5faa\u73af\u4f9d\u8d56"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Child-style hand-drawn infographic explaining circular dependencies in database ER diagrams, showing colorful table boxes connected by looping arrows, warning signs for data integrity and performance issues, and playful solution illustrations including puzzle pieces for normalization, bridge-shaped junction tables, magical window views, and dotted-line soft references, with magnifying glass, wrench, and shield icons for identification, fixes, and prevention best practices\" decoding=\"async\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/03\/eliminating-circular-dependencies-erd-infographic-childs-drawing.jpg\"\/><\/figure>\n<\/div>\n<p>\u6570\u636e\u5e93\u8bbe\u8ba1\u662f\u4e00\u79cd\u5e73\u8861\u7684\u827a\u672f\u3002\u5b83\u8981\u6c42\u5c06\u6570\u636e\u7ed3\u6784\u5316\u4ee5\u53cd\u6620\u73b0\u5b9e\u4e16\u754c\u7684\u5173\u7cfb\uff0c\u540c\u65f6\u4fdd\u6301\u6027\u80fd\u548c\u5b8c\u6574\u6027\u3002\u8fd9\u4e00\u8fc7\u7a0b\u4e2d\u5e38\u89c1\u7684\u9677\u9631\u662f\u5728\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u4e2d\u5f15\u5165\u5faa\u73af\u4f9d\u8d56\u3002\u5f53\u5916\u952e\u5173\u7cfb\u94fe\u6700\u7ec8\u6307\u5411\u539f\u59cb\u5b9e\u4f53\u65f6\uff0c\u5c31\u4f1a\u5f62\u6210\u5faa\u73af\u3002\u5c3d\u7ba1\u5728\u5b64\u7acb\u60c5\u51b5\u4e0b\u770b\u4f3c\u5408\u7406\uff0c\u4f46\u8fd9\u7c7b\u7ed3\u6784\u4f1a\u7ed9\u6570\u636e\u7ba1\u7406\u3001\u67e5\u8be2\u4f18\u5316\u548c\u7cfb\u7edf\u7a33\u5b9a\u6027\u5e26\u6765\u91cd\u5927\u6311\u6218\u3002<\/p>\n<p>\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u9700\u8981\u5bf9\u5173\u7cfb\u7406\u8bba\u6709\u6df1\u5165\u7406\u89e3\uff0c\u5e76\u8fdb\u884c\u7ec6\u81f4\u7684\u67b6\u6784\u89c4\u5212\u3002\u672c\u6307\u5357\u63a2\u8ba8\u4e86\u5faa\u73af\u4f9d\u8d56\u7684\u673a\u5236\u3001\u5176\u5bf9\u6570\u636e\u5e93\u5065\u5eb7\u7684\u5f71\u54cd\uff0c\u4ee5\u53ca\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u91cd\u6784\u6a21\u5f0f\u4ee5\u5b9e\u73b0\u6700\u4f73\u6027\u80fd\u7684\u7b56\u7565\u3002<\/p>\n<h2>\ud83e\udde9 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\u2192 B \u2192 C \u2192 A\u3002\u5728\u590d\u6742\u7684\u6a21\u5f0f\u4e2d\uff0c\u8fd9\u7c7b\u5faa\u73af\u66f4\u96be\u901a\u8fc7\u89c6\u89c9\u8bc6\u522b\u3002<\/li>\n<li><strong>\u81ea\u5f15\u7528\u5faa\u73af\uff1a<\/strong>\u4e00\u4e2a\u5b9e\u4f53\u5f15\u7528\u81ea\u8eab\u3002\u8fd9\u5728\u5c42\u6b21\u5316\u6570\u636e\u4e2d\u5f88\u5e38\u89c1\uff08\u4f8b\u5982\u5458\u5de5\u8868\u4e2d\uff0c\u7ecf\u7406\u4e5f\u662f\u5458\u5de5\uff09\uff0c\u4f46\u5b9e\u73b0\u4e0d\u5f53\u53ef\u80fd\u5bfc\u81f4\u65e0\u9650\u9012\u5f52\u3002<\/li>\n<\/ul>\n<h2>\u26a0\ufe0f \u672a\u89e3\u51b3\u5faa\u73af\u7684\u5f71\u54cd<\/h2>\n<p>\u4e0d\u89e3\u51b3\u5faa\u73af\u4f9d\u8d56\u4e0d\u4ec5\u4ec5\u662f\u7406\u8bba\u4e0a\u7684\u95ee\u9898\uff0c\u5b83\u4f1a\u4e3a\u5e94\u7528\u5c42\u548c\u6570\u636e\u5e93\u5f15\u64ce\u672c\u8eab\u5e26\u6765\u5b9e\u9645\u98ce\u9669\u3002<\/p>\n<h3>1. 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\u9884\u9632\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h2>\n<p>\u4e00\u65e6\u6a21\u5f0f\u88ab\u91cd\u6784\uff0c\u91cd\u70b9\u5c31\u8f6c\u5411\u9632\u6b62\u672a\u6765\u51fa\u73b0\u5faa\u73af\u3002\u8bbe\u8ba1\u6a21\u5f0f\u548c\u6cbb\u7406\u6d41\u7a0b\u53ef\u4ee5\u964d\u4f4e\u518d\u6b21\u5f15\u5165\u8fd9\u4e9b\u95ee\u9898\u7684\u98ce\u9669\u3002<\/p>\n<h3>1. \u5b9a\u4e49\u5173\u7cfb\u65b9\u5411<\/h3>\n<p>\u5efa\u7acb\u4e00\u4e2a\u89c4\u5219\uff0c\u5373\u5916\u952e\u5e94\u59cb\u7ec8\u671d\u4e00\u4e2a\u7279\u5b9a\u65b9\u5411\u6d41\u52a8\u3002\u4f8b\u5982\uff0c\u5b50\u8868\u59cb\u7ec8\u5f15\u7528\u7236\u8868\uff0c\u800c\u4e0d\u4f1a\u53cd\u8fc7\u6765\u3002\u5982\u679c\u7236\u8868\u9700\u8981\u8bbf\u95ee\u5b50\u8868\u6570\u636e\uff0c\u5e94\u4f7f\u7528\u67e5\u8be2\u6216\u89c6\u56fe\uff0c\u800c\u4e0d\u662f\u5916\u952e\u3002<\/p>\n<h3>2. \u4ed4\u7ec6\u5efa\u6a21\u5c42\u7ea7\u7ed3\u6784<\/h3>\n<p>\u81ea\u5f15\u7528\u8868\u5e38\u7528\u4e8e\u7ec4\u7ec7\u7ed3\u6784\u56fe\u6216\u8bc4\u8bba\u7ebf\u7a0b\u3002\u4e3a\u9632\u6b62\u5faa\u73af\uff1a<\/p>\n<ul>\n<li><strong>\u4ec5\u7236\u7ea7\uff1a<\/strong> \u4ec5\u5b58\u50a8 <code>parent_id<\/code>\u3002\u4e0d\u8981\u5b58\u50a8 <code>children_ids<\/code> \u5728\u540c\u4e00\u884c\u4e2d\u3002<\/li>\n<li><strong>\u8def\u5f84\u679a\u4e3e\uff1a<\/strong> \u5bf9\u4e8e\u6df1\u5c42\u5c42\u7ea7\u7ed3\u6784\uff0c\u5b58\u50a8\u5b8c\u6574\u7684\u8def\u5f84\u5b57\u7b26\u4e32\uff08\u4f8b\u5982\uff0c<code>\/1\/5\/9\/<\/code>\uff09\uff0c\u4ee5\u5b9e\u73b0\u65e0\u9700\u9012\u5f52\u8fde\u63a5\u7684\u5feb\u901f\u67e5\u8be2\u3002<\/li>\n<\/ul>\n<h3>3. \u81ea\u52a8\u5316\u6a21\u5f0f\u5ba1\u8ba1<\/h3>\n<p>\u5c06\u5faa\u73af\u68c0\u6d4b\u96c6\u6210\u5230 CI\/CD \u6d41\u6c34\u7ebf\u4e2d\u3002\u811a\u672c\u53ef\u4ee5\u89e3\u6790\u6a21\u5f0f\u5b9a\u4e49\u6587\u4ef6\uff08\u5982 SQL 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\u5904\u7406\u9057\u7559\u7cfb\u7edf<\/h2>\n<p>\u7531\u4e8e\u505c\u673a\u6210\u672c\u6216\u6570\u636e\u91cf\u7684\u539f\u56e0\uff0c\u91cd\u6784\u751f\u4ea7\u6570\u636e\u5e93\u5e76\u4e0d\u603b\u662f\u53ef\u884c\u7684\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u91c7\u7528\u5206\u9636\u6bb5\u7684\u65b9\u6cd5\u3002<\/p>\n<ul>\n<li><strong>\u8bc6\u522b\u5173\u952e\u8def\u5f84\uff1a<\/strong>\u4f18\u5148\u6253\u7834\u5f71\u54cd\u6700\u9891\u7e41\u8bbf\u95ee\u67e5\u8be2\u7684\u5faa\u73af\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5e94\u7528\u903b\u8f91\uff1a<\/strong>\u6682\u65f6\u5c06\u5173\u7cfb\u5904\u7406\u79fb\u81f3\u5e94\u7528\u5c42\u3002\u5c06 ID 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