{"id":1985,"date":"2026-03-26T16:06:51","date_gmt":"2026-03-26T16:06:51","guid":{"rendered":"https:\/\/www.go-diagram.com\/cn\/multi-tenant-database-erd-approaches\/"},"modified":"2026-03-26T16:06:51","modified_gmt":"2026-03-26T16:06:51","slug":"multi-tenant-database-erd-approaches","status":"publish","type":"post","link":"https:\/\/www.go-diagram.com\/cn\/multi-tenant-database-erd-approaches\/","title":{"rendered":"\u591a\u79df\u6237\u6570\u636e\u5e93\u8bbe\u8ba1\uff1a\u5171\u4eab\u7cfb\u7edf\u7684\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u65b9\u6cd5"},"content":{"rendered":"<p>\u4e3a\u591a\u79df\u6237\u73af\u5883\u8bbe\u8ba1\u6570\u636e\u5e93\u67b6\u6784\u9700\u8981\u4ed4\u7ec6\u8003\u8651\u6570\u636e\u9694\u79bb\u3001\u53ef\u6269\u5c55\u6027\u548c\u7ef4\u62a4\u5f00\u9500\u3002\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u4f5c\u4e3a\u8fd9\u4e9b\u51b3\u7b56\u7684\u84dd\u56fe\uff0c\u89c4\u5b9a\u4e86\u6570\u636e\u5728\u79df\u6237\u95f4\u7684\u7ed3\u6784\u65b9\u5f0f\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6848\u4f1a\u5f71\u54cd\u6027\u80fd\u3001\u5b89\u5168\u6027\u4ee5\u53ca\u7cfb\u7edf\u968f\u65f6\u95f4\u6f14\u8fdb\u7684\u80fd\u529b\u3002\u672c\u6307\u5357\u5c06\u63a2\u8ba8\u4e3b\u8981\u7684\u67b6\u6784\u6a21\u5f0f\u3001\u5b83\u4eec\u5bf9ERD\u7684\u5f71\u54cd\uff0c\u4ee5\u53ca\u6bcf\u79cd\u7b56\u7565\u6240\u6d89\u53ca\u7684\u6743\u8861\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Whimsical infographic illustrating four multi-tenant database design strategies: Database Per Tenant (separate cottages on islands), Schema Per Tenant (apartment building with colored floors), Shared Schema (co-working space with tenant_id name tags), and Hybrid Model (modular castle), with visual comparisons of isolation, cost, and maintenance trade-offs for SaaS architecture planning\" decoding=\"async\" src=\"https:\/\/www.go-diagram.com\/wp-content\/uploads\/2026\/03\/multi-tenant-database-erd-approaches-infographic-whimsical.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83d\udd0d 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\u7b56\u7565\u4e00\uff1a\u6bcf\u4e2a\u79df\u6237\u4e00\u4e2a\u6570\u636e\u5e93<\/h2>\n<p>\u5728\u6b64\u6a21\u578b\u4e2d\uff0c\u6bcf\u4e2a\u79df\u6237\u90fd\u83b7\u5f97\u4e00\u4e2a\u4e13\u7528\u7684\u6570\u636e\u5e93\u5b9e\u4f8b\u3002\u8fd9\u63d0\u4f9b\u4e86\u6700\u9ad8\u7ea7\u522b\u7684\u9694\u79bb\u6027\u548c\u5b89\u5168\u6027\u3002\u4eceERD\u89d2\u5ea6\u6765\u770b\uff0c\u6240\u6709\u6570\u636e\u5e93\u7684\u6a21\u5f0f\u5b8c\u5168\u76f8\u540c\uff0c\u4f46\u7269\u7406\u5206\u79bb\u662f\u7edd\u5bf9\u7684\u3002<\/p>\n<h3>\ud83d\udcca ERD\u7ed3\u6784<\/h3>\n<p>\u5355\u4e2a\u79df\u6237\u6570\u636e\u5e93\u7684ERD\u56fe\u4e0e\u6807\u51c6\u7684\u5355\u79df\u6237\u8bbe\u8ba1\u5b8c\u5168\u76f8\u540c\u3002\u4e0d\u9700\u8981\u4e00\u4e2a\u201c<code>\u79df\u6237ID\"<\/code>&#8220;\u5217\uff0c\u56e0\u4e3a\u6570\u636e\u5e93\u8fb9\u754c\u672c\u8eab\u5373\u5145\u5f53\u8fc7\u6ee4\u5668\u3002<\/p>\n<ul>\n<li><strong>\u8868\u7ed3\u6784\uff1a<\/strong>\u8868\u4ec5\u5305\u542b\u4e0e\u7279\u5b9a\u79df\u6237\u76f8\u5173\u7684\u6570\u636e\u3002<\/li>\n<li><strong>\u5916\u952e\uff1a<\/strong>\u5e94\u7528\u6807\u51c6\u5f15\u7528\u5b8c\u6574\u6027\uff0c\u65e0\u9700\u611f\u77e5\u79df\u6237\u3002<\/li>\n<li><strong>\u7d22\u5f15\uff1a<\/strong>\u9488\u5bf9\u8be5\u79df\u6237\u7684\u7279\u5b9a\u6570\u636e\u91cf\u8fdb\u884c\u4f18\u5316\u3002<\/li>\n<\/ul>\n<h3>\u2705 \u4f18\u52bf<\/h3>\n<ul>\n<li><strong>\u5b8c\u5168\u9694\u79bb\uff1a<\/strong>\u4e00\u4e2a\u6570\u636e\u5e93\u7684\u6f0f\u6d1e\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u6570\u636e\u5e93\u3002<\/li>\n<li><strong>\u5b9a\u5236\u5316\uff1a<\/strong>\u6a21\u5f0f\u4fee\u6539\u53ef\u4ee5\u5e94\u7528\u4e8e\u7279\u5b9a\u79df\u6237\uff0c\u800c\u4e0d\u5f71\u54cd\u5176\u4ed6\u79df\u6237\u3002<\/li>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\u540c\u4e00\u8fde\u63a5\u6c60\u6216\u78c1\u76d8I\/O\u4e0a\u65e0\u5176\u4ed6\u79df\u6237\u7684\u4e89\u7528\u3002<\/li>\n<\/ul>\n<h3>\u274c \u7f3a\u70b9<\/h3>\n<ul>\n<li><strong>\u6210\u672c\uff1a<\/strong>\u7531\u4e8e\u5b58\u5728\u591a\u4e2a\u5b9e\u4f8b\uff0c\u57fa\u7840\u8bbe\u65bd\u6210\u672c\u8f83\u9ad8\u3002<\/li>\n<li><strong>\u7ef4\u62a4\uff1a<\/strong>\u67b6\u6784\u66f4\u65b0\u9700\u8981\u90e8\u7f72\u5230\u6bcf\u4e2a\u6570\u636e\u5e93\u5b9e\u4f8b\u3002<\/li>\n<li><strong>\u590d\u6742\u6027\uff1a<\/strong>\u5728\u5927\u89c4\u6a21\u4e0b\uff0c\u7ba1\u7406\u8fde\u63a5\u548c\u7f16\u6392\u53d8\u5f97\u56f0\u96be\u3002<\/li>\n<\/ul>\n<h2>\ud83c\udfd7\ufe0f \u7b56\u7565 2\uff1a\u6bcf\u4e2a\u79df\u6237\u4e00\u4e2a\u67b6\u6784<\/h2>\n<p>\u8be5\u65b9\u6cd5\u4ecb\u4e8e\u524d\u4e24\u79cd\u65b9\u6848\u4e4b\u95f4\u3002\u6bcf\u4e2a\u79df\u6237\u5728\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e2d\u83b7\u5f97\u4e00\u4e2a\u4e13\u7528\u67b6\u6784\u3002\u8fd9\u51cf\u5c11\u4e86\u7ba1\u7406\u591a\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\u7684\u5f00\u9500\uff0c\u540c\u65f6\u4fdd\u6301\u4e86\u903b\u8f91\u9694\u79bb\u3002<\/p>\n<h3>\ud83d\udcca ERD \u7ed3\u6784<\/h3>\n<p>ERD \u4e0e\u5355\u79df\u6237\u6a21\u578b\u4fdd\u6301\u4e00\u81f4\uff0c\u4f46\u547d\u540d\u7a7a\u95f4\u53d1\u751f\u4e86\u53d8\u5316\u3002\u8868\u5b58\u5728\u4e8e\u7279\u5b9a\u7684\u67b6\u6784\u547d\u540d\u7a7a\u95f4\u4e2d\uff0c\u800c\u4e0d\u662f\u516c\u5171\u547d\u540d\u7a7a\u95f4\u3002<\/p>\n<ul>\n<li><strong>\u8868\u540d\uff1a<\/strong>\u6807\u51c6\u547d\u540d\u7ea6\u5b9a\uff08\u4f8b\u5982\uff1a&#8221;<code>users<\/code>, <code>orders<\/code>).<\/li>\n<li><strong>\u67b6\u6784\u540d\uff1a<\/strong>\u552f\u4e00\u6807\u8bc6\u7b26\uff08\u4f8b\u5982\uff1a&#8221;<code>schema_tenant_a<\/code>, <code>schema_tenant_b<\/code>).<\/li>\n<li><strong>\u8fde\u63a5\u6027\uff1a<\/strong>\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u5230\u5f53\u524d\u79df\u6237\u7684\u7279\u5b9a\u67b6\u6784\u3002<\/li>\n<\/ul>\n<h3>\u2705 \u4f18\u70b9<\/h3>\n<ul>\n<li><strong>\u9694\u79bb\u6027\uff1a<\/strong>\u6bd4\u5171\u4eab\u67b6\u6784\u6a21\u578b\u5177\u6709\u66f4\u5f3a\u7684\u9694\u79bb\u6027\u3002<\/li>\n<li><strong>\u7ba1\u7406\uff1a<\/strong>\u6bd4\u72ec\u7acb\u7684\u6570\u636e\u5e93\u5b9e\u4f8b\u66f4\u5bb9\u6613\u7ba1\u7406\u3002<\/li>\n<li><strong>\u5907\u4efd\uff1a<\/strong>\u53ef\u4ee5\u72ec\u7acb\u5730\u8fd8\u539f\u6216\u5907\u4efd\u5404\u4e2a\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<h3>\u274c \u7f3a\u70b9<\/h3>\n<ul>\n<li><strong>\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff1a<\/strong>\u4ecd\u7136\u6bd4\u5b8c\u5168\u5171\u4eab\u6a21\u578b\u6d88\u8017\u66f4\u591a\u8d44\u6e90\u3002<\/li>\n<li><strong>\u67e5\u8be2\u590d\u6742\u6027\uff1a<\/strong>\u8de8\u79df\u6237\u805a\u5408\u6570\u636e\u9700\u8981\u52a8\u6001\u5207\u6362\u6a21\u5f0f\u3002<\/li>\n<li><strong>\u6a21\u5f0f\u6f02\u79fb\uff1a<\/strong>\u5728\u591a\u4e2a\u79df\u6237\u4e4b\u95f4\u4fdd\u6301\u6a21\u5f0f\u540c\u6b65\u975e\u5e38\u8017\u8d39\u4eba\u529b\u3002<\/li>\n<\/ul>\n<h2>\ud83c\udfd7\ufe0f \u7b56\u7565 3\uff1a\u5171\u4eab\u6570\u636e\u5e93\uff0c\u5171\u4eab\u6a21\u5f0f<\/h2>\n<p>\u8fd9\u662f SaaS \u5e94\u7528\u4e2d\u6700\u5e38\u89c1\u7684\u65b9\u6848\u3002\u6240\u6709\u79df\u6237\u5171\u4eab\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u548c\u76f8\u540c\u7684\u8868\u3002\u6570\u636e\u5206\u79bb\u901a\u8fc7\u4e00\u4e2a\u552f\u4e00\u6807\u8bc6\u7b26\u5217\u5728\u903b\u8f91\u4e0a\u5b9e\u73b0\u3002<\/p>\n<h3>\ud83d\udcca ERD \u7ed3\u6784<\/h3>\n<p>ERD \u5fc5\u987b\u660e\u786e\u5305\u542b\u4e00\u4e2a\u201c<code>tenant_id<\/code>&#8220;\u5217\uff0c\u7528\u4e8e\u5b58\u50a8\u79df\u6237\u7279\u5b9a\u6570\u636e\u7684\u6bcf\u5f20\u8868\u4e2d\u3002\u8be5\u5217\u4f5c\u4e3a\u5206\u533a\u952e\u3002<\/p>\n<ul>\n<li><strong>\u6838\u5fc3\u8868\uff1a<\/strong> <code>users<\/code>, <code>orders<\/code>, <code>products<\/code>\u90fd\u5305\u542b\u4e00\u4e2a\u201c<code>tenant_id<\/code>.<\/li>\n<li><strong>\u5171\u4eab\u8868\uff1a<\/strong>\u5171\u4eab\u8868\uff1a<code>roles<\/code>&#8220;\u6216\u201c<code>permissions<\/code>&#8220;\u7b49\u8868\u53ef\u80fd\u4f1a\u5728\u6240\u6709\u79df\u6237\u4e4b\u95f4\u5171\u4eab\u3002<\/li>\n<li><strong>\u7ea6\u675f\u6761\u4ef6\uff1a<\/strong>\u5916\u952e\u53ef\u80fd\u9700\u8981\u9650\u5b9a\u8303\u56f4\uff0c\u4ee5\u786e\u4fdd\u5728\u79df\u6237\u4e0a\u4e0b\u6587\u4e2d\u7ef4\u62a4\u5f15\u7528\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h3>\u2705 \u4f18\u52bf<\/h3>\n<ul>\n<li><strong>\u6210\u672c\u6548\u76ca\uff1a<\/strong>\u57fa\u7840\u8bbe\u65bd\u6210\u672c\u6700\u4f4e\u3002<\/li>\n<li><strong>\u7ef4\u62a4\uff1a<\/strong>\u67b6\u6784\u53d8\u66f4\u4f1a\u7acb\u5373\u5e94\u7528\u4e8e\u6240\u6709\u79df\u6237\u3002<\/li>\n<li><strong>\u5206\u6790\uff1a<\/strong>\u66f4\u5bb9\u6613\u805a\u5408\u6570\u636e\u4ee5\u8fdb\u884c\u7cfb\u7edf\u8303\u56f4\u7684\u62a5\u544a\u3002<\/li>\n<\/ul>\n<h3>\u274c \u52a3\u52bf<\/h3>\n<ul>\n<li><strong>\u590d\u6742\u67e5\u8be2\uff1a<\/strong>\u6bcf\u4e2a\u67e5\u8be2\u90fd\u9700\u8981\u6309<code>\u79df\u6237 ID<\/code>.<\/li>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\u5982\u679c\u67d0\u4e2a\u79df\u6237\u6d88\u8017\u8fc7\u591a\u8d44\u6e90\uff0c\u5219\u5b58\u5728\u8f83\u9ad8\u7684\u4e89\u7528\u98ce\u9669\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u903b\u8f91\u9519\u8bef\u5bfc\u81f4\u6570\u636e\u6cc4\u9732\u7684\u98ce\u9669\u66f4\u9ad8\u3002<\/li>\n<\/ul>\n<h2>\ud83c\udfd7\ufe0f \u7b56\u7565 4\uff1a\u6df7\u5408\u6a21\u578b<\/h2>\n<p>\u6df7\u5408\u65b9\u6cd5\u7ed3\u5408\u4e86\u4e0a\u8ff0\u7b56\u7565\u7684\u8981\u7d20\u3002\u4f8b\u5982\uff0c\u4e3a\u6807\u51c6\u6570\u636e\u4f7f\u7528\u5171\u4eab\u67b6\u6784\uff0c\u800c\u4e3a\u9ad8\u7ea7\u5c42\u7ea7\u6216\u7279\u5b9a\u9ad8\u4ef7\u503c\u79df\u6237\u4f7f\u7528\u4e13\u7528\u67b6\u6784\u3002<\/p>\n<h3>\ud83d\udcca ERD \u7ed3\u6784<\/h3>\n<p>ERD \u53d8\u5f97\u66f4\u52a0\u590d\u6742\uff0c\u533a\u5206\u5171\u4eab\u8868\u548c\u79df\u6237\u7279\u5b9a\u8868\u3002<\/p>\n<ul>\n<li><strong>\u5168\u5c40\u8868\uff1a<\/strong>\u5b58\u50a8\u914d\u7f6e\u6216\u5171\u4eab\u5143\u6570\u636e\u3002<\/li>\n<li><strong>\u79df\u6237\u8868\uff1a<\/strong>\u5b58\u50a8\u5e26\u6709<code>\u79df\u6237 ID<\/code>\u7684\u79df\u6237\u6570\u636e\uff0c\u6216\u5b58\u50a8\u5728\u5355\u72ec\u7684\u67b6\u6784\u4e2d\u3002<\/li>\n<li><strong>\u5173\u8054\uff1a<\/strong>\u8fde\u63a5\u64cd\u4f5c\u5fc5\u987b\u8003\u8651\u6570\u636e\u7684\u8303\u56f4\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udee1\ufe0f \u6570\u636e\u9694\u79bb\u4e0e\u5b89\u5168\u8003\u91cf<\/h2>\n<p>\u65e0\u8bba\u9009\u62e9\u4f55\u79cd\u7b56\u7565\uff0c\u6570\u636e\u9694\u79bb\u90fd\u81f3\u5173\u91cd\u8981\u3002\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u5fc5\u987b\u652f\u6301\u80fd\u591f\u9632\u6b62\u610f\u5916\u6570\u636e\u8bbf\u95ee\u7684\u673a\u5236\u3002<\/p>\n<h3>\ud83d\udd12 \u884c\u7ea7\u5b89\u5168<\/h3>\n<p>\u5728\u5171\u4eab\u6a21\u5f0f\u67b6\u6784\u4e2d\uff0c\u53ef\u4ee5\u5b9a\u4e49\u884c\u7ea7\u5b89\u5168\uff08RLS\uff09\u7b56\u7565\u3002\u6570\u636e\u5e93\u5f15\u64ce\u5c06\u9650\u5236\u5bf9\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6\u7684\u884c\u7684\u8bbf\u95ee\uff1a<code>tenant_id<\/code>\u4e0e\u7ecf\u8fc7\u8ba4\u8bc1\u7684\u4e0a\u4e0b\u6587\u76f8\u5339\u914d\u3002<\/p>\n<ul>\n<li><strong>\u5b9e\u73b0\u65b9\u5f0f\uff1a<\/strong>\u7b56\u7565\u4f1a\u5bf9\u6bcf\u6b21<code>SELECT<\/code>, <code>UPDATE<\/code>\u4ee5\u53ca<code>DELETE<\/code>\u64cd\u4f5c\u5f3a\u5236\u6267\u884c\u68c0\u67e5\u3002<\/li>\n<li><strong>\u4f18\u52bf\uff1a<\/strong>\u9632\u6b62\u5e94\u7528\u7a0b\u5e8f\u7ea7\u522b\u7684\u9519\u8bef\u5bfc\u81f4\u6570\u636e\u6cc4\u9732\u3002<\/li>\n<li><strong>\u5bf9 ERD \u7684\u5f71\u54cd\uff1a<\/strong>\u9700\u8981\u5728\u6240\u6709\u76f8\u5173\u8868\u4e2d\u663e\u5f0f\u6dfb\u52a0<code>tenant_id<\/code>\u5217\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udd12 \u5916\u952e\u7ea6\u675f<\/h3>\n<p>\u5728\u5171\u4eab\u6a21\u578b\u4e2d\uff0c\u786e\u4fdd\u8de8\u79df\u6237\u7684\u5f15\u7528\u5b8c\u6574\u6027\u53ef\u80fd\u8f83\u4e3a\u590d\u6742\u3002\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u5916\u952e\u4e0d\u5e94\u6307\u5411\u8de8\u8d8a\u591a\u4e2a\u79df\u6237\u7684\u8868\uff0c\u9664\u975e\u8be5\u5173\u7cfb\u88ab\u660e\u786e\u5b9a\u4e49\u4e3a\u5168\u5c40\u5173\u7cfb\u3002<\/p>\n<ul>\n<li><strong>\u81ea\u5f15\u7528\uff1a<\/strong>\u5982\u679c\u4e00\u5f20\u8868\u5f15\u7528\u81ea\u8eab\uff08\u4f8b\u5982\uff0c<code>parent_id<\/code>\uff09\uff0c<code>tenant_id<\/code>\u5fc5\u987b\u5728\u4e24\u4fa7\u4fdd\u6301\u4e00\u81f4\u3002<\/li>\n<li><strong>\u5168\u5c40\u5f15\u7528\uff1a<\/strong>\u5982<code>\u7c7b\u522b<\/code>\u53ef\u80fd\u662f\u5168\u5c40\u7684\uff0c\u5141\u8bb8\u4efb\u4f55\u79df\u6237\u5f15\u7528\u5b83\u4eec\u3002<\/li>\n<\/ul>\n<h2>\u26a1 \u6027\u80fd\u4e0e\u6269\u5c55\u7b56\u7565<\/h2>\n<p>\u968f\u7740\u79df\u6237\u6570\u91cf\u7684\u589e\u957f\uff0c\u6027\u80fd\u6210\u4e3a\u4e00\u4e2a\u5173\u952e\u95ee\u9898\u3002\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u8bbe\u8ba1\u76f4\u63a5\u5f71\u54cd\u7cfb\u7edf\u7684\u6269\u5c55\u80fd\u529b\u3002<\/p>\n<h3>\ud83d\udcc8 \u7d22\u5f15\u7b56\u7565<\/h3>\n<p>\u7d22\u5f15\u5bf9\u67e5\u8be2\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u5728\u5171\u4eab\u67b6\u6784\u4e2d\uff0c<code>tenant_id<\/code>\u5217\u5e94\u4f5c\u4e3a\u4e3b\u590d\u5408\u952e\u7684\u4e00\u90e8\u5206\u6216\u8fdb\u884c\u91cd\u5ea6\u7d22\u5f15\u3002<\/p>\n<ul>\n<li><strong>\u590d\u5408\u7d22\u5f15\uff1a<\/strong> <code>(tenant_id, created_at)<\/code>\u53ef\u9ad8\u6548\u5730\u6309\u79df\u6237\u548c\u65f6\u95f4\u8fdb\u884c\u8fc7\u6ee4\u3002<\/li>\n<li><strong>\u90e8\u5206\u7d22\u5f15\uff1a<\/strong>\u7d22\u5f15\u53ef\u4ee5\u4ec5\u9488\u5bf9\u7279\u5b9a\u6761\u4ef6\u521b\u5efa\uff0c\u4ece\u800c\u51cf\u5c0f\u7d22\u5f15\u5927\u5c0f\u3002<\/li>\n<li><strong>\u907f\u514d\uff1a<\/strong>\u5bf9\u65e0\u52a9\u4e8e\u79df\u6237\u8fc7\u6ee4\u7684\u5217\u8fdb\u884c\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udce6 \u5206\u533a<\/h3>\n<p>\u8868\u5206\u533a\u6709\u52a9\u4e8e\u7ba1\u7406\u5927\u578b\u6570\u636e\u96c6\u3002\u6570\u636e\u53ef\u6309<code>tenant_id<\/code>\u6216\u6309\u79df\u6237\u5185\u7684\u65f6\u95f4\u8303\u56f4\u8fdb\u884c\u5206\u533a\u3002<\/p>\n<ul>\n<li><strong>\u8303\u56f4\u5206\u533a\uff1a<\/strong>\u6309\u65e5\u671f\u8303\u56f4\u62c6\u5206\u6570\u636e\u3002<\/li>\n<li><strong>\u5217\u8868\u5206\u533a\uff1a<\/strong>\u6309\u7279\u5b9a\u79df\u6237 ID \u62c6\u5206\u6570\u636e\u3002<\/li>\n<li><strong>\u7ba1\u7406\uff1a<\/strong>\u53ef\u4ee5\u5206\u79bb\u6216\u5f52\u6863\u5206\u533a\u4ee5\u63d0\u5347\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udd27 \u7ef4\u62a4\u4e0e\u67b6\u6784\u6f14\u8fdb<\/h2>\n<p>\u8f6f\u4ef6\u4e0d\u65ad\u6f14\u8fdb\u3002\u9700\u8981\u6dfb\u52a0\u8868\u3001\u4fee\u6539\u5217\u6216\u66f4\u6539\u7c7b\u578b\u3002\u6240\u9009\u67b6\u6784\u51b3\u5b9a\u4e86\u8fd9\u4e9b\u53d8\u66f4\u6240\u9700\u7684\u5de5\u4f5c\u91cf\u3002<\/p>\n<h3>\ud83d\udd04 \u67b6\u6784\u66f4\u65b0<\/h3>\n<ul>\n<li><strong>\u5171\u4eab\u67b6\u6784\uff1a<\/strong>\u5355\u4e2a\u8fc1\u79fb\u811a\u672c\u5373\u53ef\u66f4\u65b0\u6240\u6709\u79df\u6237\u7684\u67b6\u6784\u3002\u8fd9\u662f\u6700\u7b80\u5355\u7684\u8def\u5f84\u3002<\/li>\n<li><strong>\u6bcf\u4e2a\u79df\u6237\u4e00\u4e2a\u6570\u636e\u5e93\uff1a<\/strong>\u8fc1\u79fb\u811a\u672c\u5fc5\u987b\u9488\u5bf9\u6bcf\u4e2a\u6570\u636e\u5e93\u5b9e\u4f8b\u6267\u884c\u3002\u9700\u8981\u5b9e\u73b0\u81ea\u52a8\u5316\u3002<\/li>\n<li><strong>\u6bcf\u4e2a\u79df\u6237\u4e00\u4e2a\u6a21\u5f0f\uff1a<\/strong>\u7c7b\u4f3c\u4e8e\u6bcf\u4e2a\u79df\u6237\u4e00\u4e2a\u6570\u636e\u5e93\uff0c\u4f46\u5728\u540c\u4e00\u5b9e\u4f8b\u5185\u8fdb\u884c\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udcdd \u5411\u540e\u517c\u5bb9\u6027<\/h3>\n<p>\u4fee\u6539\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u65f6\uff0c\u8bf7\u786e\u4fdd\u5411\u540e\u517c\u5bb9\u6027\uff0c\u4ee5\u907f\u514d\u505c\u673a\u3002<\/p>\n<ul>\n<li><strong>\u6dfb\u52a0\u5217\uff1a<\/strong>\u9996\u5148\u4f7f\u7528\u53ef\u4e3a\u7a7a\u7684\u5217\uff0c\u7136\u540e\u586b\u5145\u6570\u636e\uff0c\u6700\u540e\u5c06\u5176\u8bbe\u4e3a\u975e\u7a7a\u3002<\/li>\n<li><strong>\u5220\u9664\u5217\uff1a<\/strong>\u5728\u5220\u9664\u5217\u4e4b\u524d\u5148\u91cd\u547d\u540d\uff0c\u4ee5\u9632\u6b62\u7834\u574f\u6027\u53d8\u66f4\u3002<\/li>\n<li><strong>\u7248\u672c\u63a7\u5236\uff1a<\/strong>\u5982\u679c\u79df\u6237\u53ef\u4ee5\u9009\u62e9\u9000\u51fa\u66f4\u65b0\uff0c\u8bf7\u8003\u8651\u5bf9\u6a21\u5f0f\u672c\u8eab\u8fdb\u884c\u7248\u672c\u63a7\u5236\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udccb \u67b6\u6784\u65b9\u6848\u6bd4\u8f83<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u6bcf\u4e2a\u79df\u6237\u4e00\u4e2a\u6570\u636e\u5e93<\/th>\n<th>\u6bcf\u4e2a\u79df\u6237\u4e00\u4e2a\u6a21\u5f0f<\/th>\n<th>\u5171\u4eab\u6a21\u5f0f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u9694\u79bb\u6027<\/td>\n<td>\u9ad8<\/td>\n<td>\u4e2d<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u6210\u672c<\/td>\n<td>\u9ad8<\/td>\n<td>\u4e2d<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u7ef4\u62a4<\/td>\n<td>\u590d\u6742<\/td>\n<td>\u4e2d<\/td>\n<td>\u7b80\u5355<\/td>\n<\/tr>\n<tr>\n<td>\u67e5\u8be2\u6027\u80fd<\/td>\n<td>\u9ad8\uff08\u65e0\u8fc7\u6ee4\uff09<\/td>\n<td>\u4e2d<\/td>\n<td>\u53ef\u53d8\uff08\u9700\u8981\u8fc7\u6ee4\uff09<\/td>\n<\/tr>\n<tr>\n<td>ERD \u590d\u6742\u5ea6<\/td>\n<td>\u7b80\u5355\uff08\u6309\u6570\u636e\u5e93\uff09<\/td>\n<td>\u7b80\u5355\uff08\u6309\u6a21\u5f0f\uff09<\/td>\n<td>\u590d\u6742\uff08\u9700\u8981 tenant_id\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u53ef\u6269\u5c55\u6027<\/td>\n<td>\u6c34\u5e73<\/td>\n<td>\u5782\u76f4<\/td>\n<td>\u5782\u76f4\/\u6c34\u5e73<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u2705 \u6700\u4f73\u5b9e\u8df5\u68c0\u67e5\u6e05\u5355<\/h2>\n<p>\u5728\u6700\u7ec8\u786e\u5b9a\u591a\u79df\u6237\u7cfb\u7edf\u7684 ERD \u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u6ee1\u8db3\u4ee5\u4e0b\u6807\u51c6\u3002<\/p>\n<ul>\n<li><strong>\u5b9a\u4e49\u79df\u6237\u8303\u56f4\uff1a<\/strong>\u660e\u786e\u8bc6\u522b\u54ea\u4e9b\u6570\u636e\u5c5e\u4e8e\u7279\u5b9a\u79df\u6237\uff0c\u54ea\u4e9b\u662f\u5168\u5c40\u6570\u636e\u3002<\/li>\n<li><strong>\u6807\u51c6\u5316\u547d\u540d\uff1a<\/strong>\u5728\u6240\u6709\u8868\u4e2d\u5bf9 <code>tenant_id<\/code>\u5217\u4f7f\u7528\u4e00\u81f4\u7684\u547d\u540d\u7ea6\u5b9a\u3002<\/li>\n<li><strong>\u5b9e\u65bd\u7ea6\u675f\uff1a<\/strong>\u5c3d\u53ef\u80fd\u4f7f\u7528\u6570\u636e\u5e93\u7ea6\u675f\u6765\u9632\u6b62\u8de8\u79df\u6237\u7684\u6570\u636e\u8bbf\u95ee\u3002<\/li>\n<li><strong>\u89c4\u5212\u79df\u6237\u6d41\u5931\uff1a<\/strong>\u8bbe\u8ba1\u652f\u6301\u79df\u6237\u5165\u9a7b\u548c\u9000\u8ba2\uff08\u6570\u636e\u5220\u9664\u6216\u5f52\u6863\uff09\u3002<\/li>\n<li><strong>\u6d4b\u8bd5\u9694\u79bb\u6027\uff1a<\/strong>\u5b9a\u671f\u6d4b\u8bd5\u4ee5\u786e\u4fdd\u4e00\u4e2a\u79df\u6237\u65e0\u6cd5\u67e5\u8be2\u53e6\u4e00\u4e2a\u79df\u6237\u7684\u6570\u636e\u3002<\/li>\n<li><strong>\u8bb0\u5f55\u5173\u7cfb\uff1a<\/strong>\u5728 ERD \u6587\u6863\u4e2d\u6e05\u6670\u8bb0\u5f55\u5916\u952e\u5173\u7cfb\u3002<\/li>\n<li><strong>\u76d1\u63a7\u6027\u80fd\uff1a<\/strong>\u4e3a\u53ef\u80fd\u8868\u660e\u7279\u5b9a\u79df\u6237\u74f6\u9888\u7684\u6162\u67e5\u8be2\u8bbe\u7f6e\u8b66\u62a5\u3002<\/li>\n<\/ul>\n<h2>\ud83e\udde9 \u5904\u7406\u8fb9\u754c\u60c5\u51b5<\/h2>\n<p>\u73b0\u5b9e\u573a\u666f\u5f80\u5f80\u4f1a\u5f15\u5165\u6807\u51c6\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u65e0\u6cd5\u7acb\u5373\u6db5\u76d6\u7684\u590d\u6742\u6027\u3002<\/p>\n<h3>\ud83d\udd04 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