{"id":1741,"date":"2026-03-26T16:06:51","date_gmt":"2026-03-26T16:06:51","guid":{"rendered":"https:\/\/www.go-diagram.com\/tw\/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\/tw\/multi-tenant-database-erd-approaches\/","title":{"rendered":"\u591a\u79df\u6236\u8cc7\u6599\u5eab\u8a2d\u8a08\uff1a\u7528\u65bc\u5171\u7528\u7cfb\u7d71\u7684ERD\u65b9\u6cd5"},"content":{"rendered":"<p>\u70ba\u591a\u79df\u6236\u74b0\u5883\u8a2d\u8a08\u8cc7\u6599\u5eab\u67b6\u69cb\uff0c\u9700\u8981\u4ed4\u7d30\u8003\u616e\u8cc7\u6599\u9694\u96e2\u3001\u53ef\u64f4\u5c55\u6027\u4ee5\u53ca\u7dad\u8b77\u6210\u672c\u3002\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u662f\u9019\u4e9b\u6c7a\u7b56\u7684\u85cd\u5716\uff0c\u6c7a\u5b9a\u4e86\u8cc7\u6599\u5728\u5404\u79df\u6236\u4e4b\u9593\u7684\u7d50\u69cb\u65b9\u5f0f\u3002\u9078\u64c7\u6b63\u78ba\u7684\u65b9\u6cd5\u6703\u5f71\u97ff\u7cfb\u7d71\u7684\u6548\u80fd\u3001\u5b89\u5168\u6027\u4ee5\u53ca\u672a\u4f86\u7684\u6f14\u9032\u80fd\u529b\u3002\u672c\u6307\u5357\u63a2\u8a0e\u4e3b\u8981\u7684\u67b6\u69cb\u6a21\u5f0f\u3001\u5176\u5c0dERD\u7684\u5f71\u97ff\uff0c\u4ee5\u53ca\u6bcf\u7a2e\u7b56\u7565\u6240\u6d89\u53ca\u7684\u53d6\u6368\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 \u7406\u89e3\u8cc7\u6599\u6a21\u578b\u4e2d\u7684\u591a\u79df\u6236<\/h2>\n<p>\u591a\u79df\u6236\u5141\u8a31\u55ae\u4e00\u8edf\u9ad4\u5be6\u4f8b\u670d\u52d9\u591a\u500b\u5ba2\u6236\uff0c\u901a\u5e38\u7a31\u70ba\u79df\u6236\u3002\u5728\u8cc7\u6599\u5eab\u8a2d\u8a08\u7684\u80cc\u666f\u4e0b\uff0c\u6838\u5fc3\u6311\u6230\u5728\u65bc\u6c7a\u5b9a\u5982\u4f55\u5206\u96e2\u79df\u6236\u8cc7\u6599\uff0c\u540c\u6642\u4fdd\u6301\u6548\u7387\u3002ERD\u5fc5\u9808\u660e\u78ba\u53cd\u6620\u9019\u4e9b\u5206\u96e2\u908a\u754c\u3002<\/p>\n<ul>\n<li><strong>\u79df\u6236\uff1a<\/strong> \u4f7f\u7528\u7cfb\u7d71\u7684\u55ae\u4e00\u5ba2\u6236\u6216\u7d44\u7e54\u3002<\/li>\n<li><strong> \u5171\u7528\u7cfb\u7d71\uff1a<\/strong> \u61c9\u7528\u7a0b\u5f0f\u908f\u8f2f\uff0c\u4ee5\u53ca\u53ef\u80fd\u7684\u5e95\u5c64\u57fa\u790e\u8a2d\u65bd\u3002<\/li>\n<li><strong> \u8cc7\u6599\u9694\u96e2\uff1a<\/strong> \u78ba\u4fdd\u4e00\u500b\u79df\u6236\u7121\u6cd5\u5b58\u53d6\u5176\u4ed6\u79df\u6236\u7684\u8cc7\u6599\u3002<\/li>\n<\/ul>\n<p>\u8a2d\u8a08\u9078\u64c7\u4e3b\u8981\u570d\u7e5e\u9694\u96e2\u908a\u754c\u7684\u4f4d\u7f6e\u5c55\u958b\u3002\u5b83\u662f\u5426\u5b58\u5728\u65bc\u8cc7\u6599\u5eab\u5c64\u7d1a\u3001\u7d50\u69cb\u5c64\u7d1a\u6216\u8cc7\u6599\u5217\u5c64\u7d1a\uff1f\u6bcf\u7a2e\u9078\u64c7\u90fd\u8981\u6c42\u7279\u5b9a\u7684ERD\u7d50\u69cb\u3002<\/p>\n<h2>\ud83c\udfd7\ufe0f \u7b56\u75651\uff1a\u6bcf\u500b\u79df\u6236\u5c0d\u61c9\u4e00\u500b\u8cc7\u6599\u5eab<\/h2>\n<p>\u5728\u6b64\u6a21\u578b\u4e2d\uff0c\u6bcf\u500b\u79df\u6236\u90fd\u6703\u7372\u5f97\u4e00\u500b\u5c08\u7528\u7684\u8cc7\u6599\u5eab\u5be6\u4f8b\u3002\u9019\u63d0\u4f9b\u4e86\u6700\u9ad8\u5c64\u7d1a\u7684\u9694\u96e2\u8207\u5b89\u5168\u6027\u3002\u5f9eERD\u7684\u89d2\u5ea6\u4f86\u770b\uff0c\u6240\u6709\u8cc7\u6599\u5eab\u7684\u7d50\u69cb\u4fdd\u6301\u4e00\u81f4\uff0c\u4f46\u7269\u7406\u4e0a\u7684\u5206\u96e2\u662f\u7d55\u5c0d\u7684\u3002<\/p>\n<h3>\ud83d\udcca ERD\u7d50\u69cb<\/h3>\n<p>\u55ae\u4e00\u79df\u6236\u8cc7\u6599\u5eab\u7684ERD\u5716\u5f62\u8207\u6a19\u6e96\u7684\u55ae\u79df\u6236\u8a2d\u8a08\u5b8c\u5168\u76f8\u540c\u3002\u4e0d\u9700\u8981\u4f7f\u7528<code>\u79df\u6236ID<\/code>\u6b04\u4f4d\uff0c\u56e0\u70ba\u8cc7\u6599\u5eab\u908a\u754c\u672c\u8eab\u5df2\u4f5c\u70ba\u904e\u6ffe\u5668\u3002<\/p>\n<ul>\n<li><strong>\u8cc7\u6599\u8868\u7d50\u69cb\uff1a<\/strong> \u8cc7\u6599\u8868\u50c5\u5305\u542b\u8207\u7279\u5b9a\u79df\u6236\u76f8\u95dc\u7684\u8cc7\u6599\u3002<\/li>\n<li><strong> \u5916\u9375\uff1a<\/strong> \u6a19\u6e96\u7684\u53c3\u8003\u5b8c\u6574\u6027\u9069\u7528\uff0c\u4e14\u7121\u9700\u8003\u616e\u79df\u6236\u56e0\u7d20\u3002<\/li>\n<li><strong> \u7d22\u5f15\uff1a<\/strong> \u70ba\u8a72\u79df\u6236\u7684\u7279\u5b9a\u8cc7\u6599\u91cf\u9032\u884c\u6700\u4f73\u5316\u3002<\/li>\n<\/ul>\n<h3>\u2705 \u512a\u52e2<\/h3>\n<ul>\n<li><strong>\u5b8c\u5168\u9694\u96e2\uff1a<\/strong> \u67d0\u500b\u8cc7\u6599\u5eab\u906d\u5230\u5165\u4fb5\u4e0d\u6703\u5f71\u97ff\u5176\u4ed6\u8cc7\u6599\u5eab\u3002<\/li>\n<li><strong>\u5ba2\u88fd\u5316\uff1a<\/strong> \u53ef\u91dd\u5c0d\u7279\u5b9a\u79df\u6236\u61c9\u7528\u7d50\u69cb\u4fee\u6539\uff0c\u800c\u4e0d\u5f71\u97ff\u5176\u4ed6\u79df\u6236\u3002<\/li>\n<li><strong>\u6548\u80fd\uff1a<\/strong> \u540c\u4e00\u9023\u63a5\u6c60\u6216\u78c1\u789fI\/O\u4e0a\u4e0d\u6703\u56e0\u5176\u4ed6\u79df\u6236\u800c\u7522\u751f\u7af6\u722d\u3002<\/li>\n<\/ul>\n<h3>\u274c \u7f3a\u9ede<\/h3>\n<ul>\n<li><strong>\u6210\u672c\uff1a<\/strong> \u591a\u500b\u5be6\u4f8b\u5c0e\u81f4\u57fa\u790e\u8a2d\u65bd\u6210\u672c\u9ad8\u6602\u3002<\/li>\n<li><strong>\u7dad\u8b77\uff1a<\/strong> \u6a21\u5f0f\u66f4\u65b0\u9700\u8981\u90e8\u7f72\u5230\u6bcf\u500b\u8cc7\u6599\u5eab\u5be6\u4f8b\u3002<\/li>\n<li><strong>\u8907\u96dc\u6027\uff1a<\/strong> \u96a8\u8457\u898f\u6a21\u64f4\u5927\uff0c\u9023\u63a5\u548c\u7de8\u6392\u7684\u7ba1\u7406\u8b8a\u5f97\u56f0\u96e3\u3002<\/li>\n<\/ul>\n<h2>\ud83c\udfd7\ufe0f \u7b56\u7565 2\uff1a\u6bcf\u500b\u79df\u6236\u5c0d\u61c9\u4e00\u500b\u6a21\u5f0f<\/h2>\n<p>\u6b64\u65b9\u6cd5\u4ecb\u65bc\u524d\u5169\u8005\u4e4b\u9593\u3002\u6bcf\u500b\u79df\u6236\u5728\u76f8\u540c\u7684\u8cc7\u6599\u5eab\u4f3a\u670d\u5668\u5167\u7372\u5f97\u5c08\u7528\u7684\u6a21\u5f0f\u3002\u9019\u964d\u4f4e\u4e86\u7ba1\u7406\u591a\u500b\u8cc7\u6599\u5eab\u9023\u63a5\u7684\u958b\u92b7\uff0c\u540c\u6642\u4fdd\u6301\u4e86\u908f\u8f2f\u4e0a\u7684\u5206\u96e2\u3002<\/p>\n<h3>\ud83d\udcca ERD \u7d50\u69cb<\/h3>\n<p>ERD \u8207\u55ae\u79df\u6236\u6a21\u578b\u4fdd\u6301\u4e00\u81f4\uff0c\u4f46\u547d\u540d\u7a7a\u9593\u767c\u751f\u8b8a\u5316\u3002\u8868\u683c\u5b58\u5728\u65bc\u7279\u5b9a\u7684\u6a21\u5f0f\u547d\u540d\u7a7a\u9593\u4e2d\uff0c\u800c\u975e\u516c\u5171\u547d\u540d\u7a7a\u9593\u3002<\/p>\n<ul>\n<li><strong>\u8868\u683c\u540d\u7a31\uff1a<\/strong> \u6a19\u6e96\u547d\u540d\u6163\u4f8b\uff08\u4f8b\u5982\uff0c<code>\u4f7f\u7528\u8005<\/code>, <code>\u8a02\u55ae<\/code>).<\/li>\n<li><strong>\u6a21\u5f0f\u540d\u7a31\uff1a<\/strong> \u552f\u4e00\u8b58\u5225\u78bc\uff08\u4f8b\u5982\uff0c<code>\u6a21\u5f0f_\u79df\u6236_a<\/code>, <code>\u6a21\u5f0f_\u79df\u6236_b<\/code>).<\/li>\n<li><strong>\u9023\u63a5\u6027\uff1a<\/strong> \u61c9\u7528\u7a0b\u5f0f\u9023\u63a5\u5230\u6d3b\u8e8d\u79df\u6236\u7684\u7279\u5b9a\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<h3>\u2705 \u512a\u9ede<\/h3>\n<ul>\n<li><strong>\u9694\u96e2\u6027\uff1a<\/strong> \u6bd4\u5171\u7528\u6a21\u5f0f\u6a21\u578b\u5177\u6709\u66f4\u5f37\u7684\u9694\u96e2\u6027\u3002<\/li>\n<li><strong>\u7ba1\u7406\uff1a<\/strong> \u6bd4\u7368\u7acb\u7684\u8cc7\u6599\u5eab\u5be6\u4f8b\u66f4\u5bb9\u6613\u7ba1\u7406\u3002<\/li>\n<li><strong>\u5099\u4efd\uff1a<\/strong>\u53ef\u4ee5\u7368\u7acb\u9084\u539f\u6216\u5099\u4efd\u55ae\u500b\u67b6\u69cb\u3002<\/li>\n<\/ul>\n<h3>\u274c \u7f3a\u9ede<\/h3>\n<ul>\n<li><strong>\u8cc7\u6e90\u4f7f\u7528\uff1a<\/strong>\u4ecd\u7136\u6bd4\u5b8c\u5168\u5171\u4eab\u7684\u6a21\u578b\u6d88\u8017\u66f4\u591a\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u67e5\u8a62\u8907\u96dc\u5ea6\uff1a<\/strong>\u8de8\u79df\u6236\u805a\u5408\u8cc7\u6599\u9700\u8981\u52d5\u614b\u5207\u63db\u67b6\u69cb\u3002<\/li>\n<li><strong>\u67b6\u69cb\u504f\u79fb\uff1a<\/strong>\u5728\u8a31\u591a\u79df\u6236\u4e4b\u9593\u4fdd\u6301\u67b6\u69cb\u540c\u6b65\u662f\u52de\u529b\u5bc6\u96c6\u7684\u3002<\/li>\n<\/ul>\n<h2>\ud83c\udfd7\ufe0f \u7b56\u7565 3\uff1a\u5171\u4eab\u8cc7\u6599\u5eab\uff0c\u5171\u4eab\u67b6\u69cb<\/h2>\n<p>\u9019\u662f SaaS \u61c9\u7528\u7a0b\u5f0f\u4e2d\u6700\u5e38\u898b\u7684\u65b9\u6cd5\u3002\u6240\u6709\u79df\u6236\u5171\u7528\u540c\u4e00\u500b\u8cc7\u6599\u5eab\u548c\u76f8\u540c\u7684\u8cc7\u6599\u8868\u3002\u8cc7\u6599\u5206\u96e2\u900f\u904e\u552f\u4e00\u8b58\u5225\u7b26\u865f\u6b04\u4f4d\u908f\u8f2f\u5be6\u73fe\u3002<\/p>\n<h3>\ud83d\udcca \u8cc7\u6599\u5be6\u9ad4\u95dc\u4fc2\u5716\u7d50\u69cb<\/h3>\n<p>\u8cc7\u6599\u5be6\u9ad4\u95dc\u4fc2\u5716\u5fc5\u9808\u660e\u78ba\u5305\u542b\u4e00\u500b<code>tenant_id<\/code>\u6b04\u4f4d\u65bc\u5132\u5b58\u79df\u6236\u7279\u5b9a\u8cc7\u6599\u7684\u6bcf\u4e00\u5f35\u8cc7\u6599\u8868\u4e2d\u3002\u6b64\u6b04\u4f4d\u4f5c\u70ba\u5206\u5272\u91d1\u9470\u3002<\/p>\n<ul>\n<li><strong>\u6838\u5fc3\u8cc7\u6599\u8868\uff1a<\/strong> <code>users<\/code>, <code>orders<\/code>, <code>products<\/code>\u90fd\u5305\u542b\u4e00\u500b<code>tenant_id<\/code>.<\/li>\n<li><strong>\u5171\u4eab\u8cc7\u6599\u8868\uff1a<\/strong>\u4f8b\u5982<code>roles<\/code>\u6216<code>permissions<\/code>\u9019\u4e9b\u8cc7\u6599\u8868\u53ef\u80fd\u88ab\u6240\u6709\u79df\u6236\u5171\u7528\u3002<\/li>\n<li><strong>\u9650\u5236\u689d\u4ef6\uff1a<\/strong>\u5916\u9375\u53ef\u80fd\u9700\u8981\u9032\u884c\u7bc4\u570d\u8a2d\u5b9a\uff0c\u4ee5\u78ba\u4fdd\u5728\u79df\u6236\u74b0\u5883\u4e2d\u7dad\u6301referential integrity\uff08\u53c3\u8003\u5b8c\u6574\u6027\uff09\u3002<\/li>\n<\/ul>\n<h3>\u2705 \u512a\u52e2<\/h3>\n<ul>\n<li><strong>\u6210\u672c\u6548\u76ca\uff1a<\/strong>\u6700\u4f4e\u7684\u57fa\u790e\u8a2d\u65bd\u6210\u672c\u3002<\/li>\n<li><strong>\u7dad\u8b77\uff1a<\/strong>\u7d50\u69cb\u8b8a\u66f4\u6703\u7acb\u5373\u61c9\u7528\u65bc\u6240\u6709\u79df\u6236\u3002<\/li>\n<li><strong>\u5206\u6790\uff1a<\/strong>\u66f4\u5bb9\u6613\u805a\u5408\u8cc7\u6599\u4ee5\u9032\u884c\u7cfb\u7d71\u7bc4\u570d\u7684\u5831\u544a\u3002<\/li>\n<\/ul>\n<h3>\u274c \u7f3a\u9ede<\/h3>\n<ul>\n<li><strong>\u8907\u96dc\u67e5\u8a62\uff1a<\/strong> \u6bcf\u500b\u67e5\u8a62\u90fd\u9700\u8981\u6839\u64da <code>tenant_id<\/code>.<\/li>\n<li><strong>\u6548\u80fd\uff1a<\/strong> \u82e5\u67d0\u500b\u79df\u6236\u6d88\u8017\u904e\u591a\u8cc7\u6e90\uff0c\u5c07\u6703\u6709\u5f88\u9ad8\u7684\u7af6\u722d\u98a8\u96aa\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong> \u66f4\u9ad8\u7684\u908f\u8f2f\u932f\u8aa4\u98a8\u96aa\uff0c\u53ef\u80fd\u5c0e\u81f4\u8cc7\u6599\u5916\u6d29\u3002<\/li>\n<\/ul>\n<h2>\ud83c\udfd7\ufe0f \u7b56\u7565 4\uff1a\u6df7\u5408\u6a21\u578b<\/h2>\n<p>\u6df7\u5408\u65b9\u6cd5\u7d50\u5408\u4e86\u4e0a\u8ff0\u7b56\u7565\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u6a19\u6e96\u8cc7\u6599\u4f7f\u7528\u5171\u4eab\u7d50\u69cb\uff0c\u4f46\u9ad8\u968e\u8a02\u95b1\u5c64\u7d1a\u6216\u7279\u5b9a\u9ad8\u50f9\u503c\u79df\u6236\u5247\u4f7f\u7528\u5c08\u5c6c\u7d50\u69cb\u3002<\/p>\n<h3>\ud83d\udcca ERD \u7d50\u69cb<\/h3>\n<p>ERD \u8b8a\u5f97\u66f4\u8907\u96dc\uff0c\u9700\u5340\u5206\u5171\u4eab\u8cc7\u6599\u8868\u8207\u79df\u6236\u5c08\u7528\u8cc7\u6599\u8868\u3002<\/p>\n<ul>\n<li><strong>\u5168\u57df\u8cc7\u6599\u8868\uff1a<\/strong> \u5132\u5b58\u8a2d\u5b9a\u6216\u5171\u4eab\u7684\u5143\u8cc7\u6599\u3002<\/li>\n<li><strong>\u79df\u6236\u8cc7\u6599\u8868\uff1a<\/strong> \u5132\u5b58\u4f7f\u7528\u8005\u8cc7\u6599\uff0c\u4e26\u642d\u914d <code>tenant_id<\/code> \u6216\u5132\u5b58\u5728\u7368\u7acb\u7684\u7d50\u69cb\u4e2d\u3002<\/li>\n<li><strong>\u9023\u7d50\uff1a<\/strong> Join \u64cd\u4f5c\u5fc5\u9808\u8003\u616e\u8cc7\u6599\u7684\u7bc4\u570d\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udee1\ufe0f \u6578\u64da\u9694\u96e2\u8207\u5b89\u5168\u8003\u91cf<\/h2>\n<p>\u7121\u8ad6\u9078\u64c7\u54ea\u7a2e\u7b56\u7565\uff0c\u6578\u64da\u9694\u96e2\u90fd\u81f3\u95dc\u91cd\u8981\u3002ERD \u5fc5\u9808\u652f\u63f4\u9632\u6b62\u610f\u5916\u6578\u64da\u5b58\u53d6\u7684\u6a5f\u5236\u3002<\/p>\n<h3>\ud83d\udd12 \u884c\u7d1a\u5b89\u5168<\/h3>\n<p>\u5728\u5171\u4eab\u67b6\u69cb\u6a21\u578b\u4e2d\uff0c\u53ef\u4ee5\u5b9a\u7fa9\u884c\u7d1a\u5b89\u5168\uff08RLS\uff09\u7b56\u7565\u3002\u8cc7\u6599\u5eab\u5f15\u64ce\u6703\u9650\u5236\u5b58\u53d6\u90a3\u4e9b\u300c<code>tenant_id<\/code>\u300d\u8207\u5df2\u9a57\u8b49\u7684\u4e0a\u4e0b\u6587\u76f8\u7b26\u7684\u8cc7\u6599\u5217\u3002<\/p>\n<ul>\n<li><strong>\u5be6\u4f5c\uff1a<\/strong>\u7b56\u7565\u6703\u5728\u6bcf\u6b21\u57f7\u884c\u300c<code>SELECT<\/code>, <code>UPDATE<\/code>\u3001<code>DELETE<\/code>\u300d\u64cd\u4f5c\u6642\u5f37\u5236\u57f7\u884c\u6aa2\u67e5\u3002<\/li>\n<li><strong>\u512a\u52e2\uff1a<\/strong>\u53ef\u9632\u6b62\u61c9\u7528\u5c64\u932f\u8aa4\u5c0e\u81f4\u8cc7\u6599\u5916\u6d29\u3002<\/li>\n<li><strong>ERD \u7684\u5f71\u97ff\uff1a<\/strong>\u6240\u6709\u76f8\u95dc\u8cc7\u6599\u8868\u90fd\u5fc5\u9808\u660e\u78ba\u5305\u542b<code>tenant_id<\/code>\u6b04\u4f4d\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udd12 \u5916\u9375\u7d04\u675f<\/h3>\n<p>\u5728\u5171\u4eab\u6a21\u578b\u4e2d\uff0c\u78ba\u4fdd\u8de8\u79df\u6236\u7684\u53c3\u8003\u5b8c\u6574\u6027\u53ef\u80fd\u76f8\u7576\u68d8\u624b\u3002\u5916\u9375\u7406\u60f3\u4e0a\u4e0d\u61c9\u6307\u5411\u8de8\u8d8a\u591a\u500b\u79df\u6236\u7684\u8cc7\u6599\u8868\uff0c\u9664\u975e\u8a72\u95dc\u4fc2\u660e\u78ba\u70ba\u5168\u57df\u6027\u3002<\/p>\n<ul>\n<li><strong>\u81ea\u6211\u5f15\u7528\uff1a<\/strong>\u82e5\u8cc7\u6599\u8868\u5f15\u7528\u81ea\u8eab\uff08\u4f8b\u5982\uff1a<code>parent_id<\/code>\uff09\uff0c\u5247\u5169\u5074\u7684<code>tenant_id<\/code>\u90fd\u5fc5\u9808\u76f8\u7b26\u3002<\/li>\n<li><strong>\u5168\u57df\u5f15\u7528\uff1a<\/strong>\u50cf<code>\u5206\u985e<\/code>\u53ef\u80fd\u662f\u5168\u57df\u7684\uff0c\u5141\u8a31\u4efb\u4f55\u79df\u6236\u5f15\u7528\u5b83\u5011\u3002<\/li>\n<\/ul>\n<h2>\u26a1 \u6027\u80fd\u8207\u64f4\u5c55\u7b56\u7565<\/h2>\n<p>\u96a8\u8457\u79df\u6236\u6578\u91cf\u589e\u52a0\uff0c\u6027\u80fd\u6210\u70ba\u95dc\u9375\u8003\u91cf\u3002ERD \u8a2d\u8a08\u76f4\u63a5\u5f71\u97ff\u7cfb\u7d71\u7684\u64f4\u5c55\u80fd\u529b\u3002<\/p>\n<h3>\ud83d\udcc8 \u7d22\u5f15\u7b56\u7565<\/h3>\n<p>\u7d22\u5f15\u5c0d\u65bc\u67e5\u8a62\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u5728\u5171\u4eab\u67b6\u69cb\u4e2d\uff0c<code>tenant_id<\/code>\u6b04\u4f4d\u61c9\u662f\u4e3b\u8981\u8907\u5408\u7d22\u5f15\u7684\u4e00\u90e8\u5206\uff0c\u6216\u9700\u9032\u884c\u5927\u91cf\u7d22\u5f15\u3002<\/p>\n<ul>\n<li><strong>\u8907\u5408\u7d22\u5f15\uff1a<\/strong> <code>(tenant_id, created_at)<\/code>\u53ef\u6709\u6548\u6839\u64da\u79df\u6236\u548c\u6642\u9593\u9032\u884c\u904e\u6ffe\u3002<\/li>\n<li><strong>\u90e8\u5206\u7d22\u5f15\uff1a<\/strong>\u7d22\u5f15\u50c5\u80fd\u91dd\u5c0d\u7279\u5b9a\u689d\u4ef6\u5efa\u7acb\uff0c\u5f9e\u800c\u6e1b\u5c11\u7d22\u5f15\u5927\u5c0f\u3002<\/li>\n<li><strong>\u907f\u514d\uff1a<\/strong>\u5c0d\u7121\u6cd5\u5354\u52a9\u79df\u6236\u904e\u6ffe\u7684\u6b04\u4f4d\u9032\u884c\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udce6 \u5206\u5340<\/h3>\n<p>\u8868\u683c\u5206\u5340\u6709\u52a9\u65bc\u7ba1\u7406\u5927\u578b\u8cc7\u6599\u96c6\u3002\u8cc7\u6599\u53ef\u4f9d <code>tenant_id<\/code> \u6216\u4f9d\u79df\u6236\u5167\u7684\u6642\u9593\u7bc4\u570d\u9032\u884c\u5206\u5340\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u570d\u5206\u5340\uff1a<\/strong>\u6839\u64da\u65e5\u671f\u7bc4\u570d\u5206\u5272\u8cc7\u6599\u3002<\/li>\n<li><strong>\u6e05\u55ae\u5206\u5340\uff1a<\/strong>\u6839\u64da\u7279\u5b9a\u79df\u6236 ID \u5206\u5272\u8cc7\u6599\u3002<\/li>\n<li><strong>\u7ba1\u7406\uff1a<\/strong>\u5206\u5340\u53ef\u88ab\u5206\u96e2\u6216\u6b78\u6a94\uff0c\u4ee5\u63d0\u5347\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udd27 \u7dad\u8b77\u8207\u67b6\u69cb\u6f14\u9032<\/h2>\n<p>\u8edf\u9ad4\u6703\u6f14\u9032\u3002\u9700\u8981\u65b0\u589e\u8868\u683c\u3001\u4fee\u6539\u6b04\u4f4d\u6216\u8b8a\u66f4\u985e\u578b\u3002\u6240\u9078\u67b6\u69cb\u6c7a\u5b9a\u4e86\u9019\u4e9b\u8b8a\u66f4\u6240\u9700\u7684\u6295\u5165\u3002<\/p>\n<h3>\ud83d\udd04 \u67b6\u69cb\u66f4\u65b0<\/h3>\n<ul>\n<li><strong>\u5171\u4eab\u67b6\u69cb\uff1a<\/strong>\u55ae\u4e00\u9077\u79fb\u8173\u672c\u5373\u53ef\u66f4\u65b0\u6240\u6709\u79df\u6236\u7684\u67b6\u69cb\u3002\u9019\u662f\u6700\u7c21\u55ae\u7684\u9014\u5f91\u3002<\/li>\n<li><strong>\u6bcf\u500b\u79df\u6236\u7684\u8cc7\u6599\u5eab\uff1a<\/strong>\u9077\u79fb\u8173\u672c\u5fc5\u9808\u91dd\u5c0d\u6bcf\u500b\u8cc7\u6599\u5eab\u57f7\u884c\u500b\u9ad4\u57f7\u884c\u3002\u9700\u8981\u81ea\u52d5\u5316\u3002<\/li>\n<li><strong>\u6bcf\u500b\u79df\u6236\u7684\u7d50\u69cb\uff1a<\/strong>\u8207\u6bcf\u500b\u79df\u6236\u7684\u8cc7\u6599\u5eab\u985e\u4f3c\uff0c\u4f46\u662f\u5728\u540c\u4e00\u500b\u57f7\u884c\u500b\u9ad4\u5167\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h3>\ud83d\udcdd \u5411\u5f8c\u76f8\u5bb9\u6027<\/h3>\n<p>\u4fee\u6539ERD\u6642\uff0c\u8acb\u78ba\u4fdd\u5411\u5f8c\u76f8\u5bb9\u6027\uff0c\u4ee5\u907f\u514d\u505c\u6a5f\u3002<\/p>\n<ul>\n<li><strong>\u65b0\u589e\u6b04\u4f4d\uff1a<\/strong>\u9996\u5148\u4f7f\u7528\u53ef\u70ba\u7a7a\u7684\u6b04\u4f4d\uff0c\u7136\u5f8c\u586b\u5165\u8cc7\u6599\uff0c\u6700\u5f8c\u518d\u8a2d\u70ba\u4e0d\u53ef\u70ba\u7a7a\u3002<\/li>\n<li><strong>\u522a\u9664\u6b04\u4f4d\uff1a<\/strong>\u5728\u522a\u9664\u6b04\u4f4d\u4e4b\u524d\u5148\u91cd\u547d\u540d\uff0c\u4ee5\u9632\u6b62\u9020\u6210\u7834\u58de\u6027\u8b8a\u66f4\u3002<\/li>\n<li><strong>\u7248\u672c\u63a7\u5236\uff1a<\/strong>\u5982\u679c\u79df\u6236\u53ef\u4ee5\u9078\u64c7\u4e0d\u66f4\u65b0\uff0c\u8acb\u8003\u616e\u5c0d\u7d50\u69cb\u672c\u8eab\u9032\u884c\u7248\u672c\u63a7\u5236\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udccb \u67b6\u69cb\u65b9\u6cd5\u6bd4\u8f03<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u529f\u80fd<\/th>\n<th>\u6bcf\u500b\u79df\u6236\u7684\u8cc7\u6599\u5eab<\/th>\n<th>\u6bcf\u500b\u79df\u6236\u7684\u7d50\u69cb<\/th>\n<th>\u5171\u7528\u7d50\u69cb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u9694\u96e2\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>\u7dad\u8b77<\/td>\n<td>\u8907\u96dc<\/td>\n<td>\u4e2d<\/td>\n<td>\u7c21\u55ae<\/td>\n<\/tr>\n<tr>\n<td>\u67e5\u8a62\u6548\u80fd<\/td>\n<td>\u9ad8\uff08\u7121\u904e\u6ffe\uff09<\/td>\n<td>\u4e2d\u7b49<\/td>\n<td>\u53ef\u8b8a\uff08\u9700\u8981\u904e\u6ffe\uff09<\/td>\n<\/tr>\n<tr>\n<td>ERD \u8907\u96dc\u5ea6<\/td>\n<td>\u7c21\u55ae\uff08\u6bcf\u8cc7\u6599\u5eab\uff09<\/td>\n<td>\u7c21\u55ae\uff08\u6bcf\u67b6\u69cb\uff09<\/td>\n<td>\u8907\u96dc\uff08\u9700\u8981 tenant_id\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u53ef\u64f4\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\u5be6\u52d9\u6aa2\u67e5\u6e05\u55ae<\/h2>\n<p>\u5728\u6700\u7d42\u78ba\u5b9a\u591a\u79df\u6236\u7cfb\u7d71\u7684ERD\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u6eff\u8db3\u4ee5\u4e0b\u6a19\u6e96\u3002<\/p>\n<ul>\n<li><strong>\u5b9a\u7fa9\u79df\u6236\u7bc4\u570d\uff1a<\/strong>\u660e\u78ba\u8b58\u5225\u54ea\u4e9b\u8cc7\u6599\u5c6c\u65bc\u79df\u6236\uff0c\u54ea\u4e9b\u662f\u5168\u57df\u8cc7\u6599\u3002<\/li>\n<li><strong>\u7d71\u4e00\u547d\u540d\uff1a<\/strong>\u5c0d\u6240\u6709\u8868\u683c\u4e2d\u7684 <code>tenant_id<\/code> 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