{"id":1582,"date":"2026-03-25T07:23:35","date_gmt":"2026-03-25T07:23:35","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/cn\/modeling-multi-tenant-schemas-modern-er-diagrams\/"},"modified":"2026-03-25T07:23:35","modified_gmt":"2026-03-25T07:23:35","slug":"modeling-multi-tenant-schemas-modern-er-diagrams","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/cn\/modeling-multi-tenant-schemas-modern-er-diagrams\/","title":{"rendered":"\u5728\u73b0\u4ee3ER\u56fe\u4e2d\u5efa\u6a21\u591a\u79df\u6237\u67b6\u6784"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Infographic illustrating three multi-tenant database schema patterns for ER diagrams: dedicated database per tenant, shared database with separate schemas, and shared database with shared schema using tenant_id column, comparing isolation levels, costs, and maintenance complexity with stamp and washi tape design style\" decoding=\"async\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/03\/multi-tenant-schema-erd-patterns-infographic.jpg\"\/><\/figure>\n<\/div>\n<p>\u5728\u53ef\u6269\u5c55\u8f6f\u4ef6\u67b6\u6784\u7684\u9886\u57df\u4e2d\uff0c\u591a\u79df\u6237\u7684\u6982\u5ff5\u662f\u57fa\u7840\u6027\u7684\u3002\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5b9e\u4f8b\u4e3a\u591a\u4e2a\u5ba2\u6237\uff08\u79f0\u4e3a\u79df\u6237\uff09\u63d0\u4f9b\u670d\u52a1\uff0c\u540c\u65f6\u4fdd\u6301\u6570\u636e\u7684\u903b\u8f91\u9694\u79bb\u3002\u8bbe\u8ba1\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u9700\u8981\u7cbe\u786e\u6027\u3002\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u4e3a\u6b64\u67b6\u6784\u63d0\u4f9b\u4e86\u84dd\u56fe\u3002\u5b83\u4eec\u53ef\u89c6\u5316\u4e86\u8868\u3001\u952e\u548c\u7ea6\u675f\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u8fd9\u4e9b\u5173\u7cfb\u5728\u79df\u6237\u4e4b\u95f4\u5f3a\u5236\u6267\u884c\u6570\u636e\u5b8c\u6574\u6027\u3002 \ud83d\udcd0<\/p>\n<p>\u5728\u4e3a\u591a\u79df\u6237\u73af\u5883\u6784\u5efaERD\u65f6\uff0c\u4e3b\u8981\u6311\u6218\u5728\u4e8e\u5e73\u8861\u9694\u79bb\u6027\u3001\u6027\u80fd\u548c\u6210\u672c\u3002\u6ca1\u6709\u4e00\u79cd\u65b9\u6848\u9002\u7528\u4e8e\u6240\u6709\u573a\u666f\u3002\u76f8\u53cd\uff0c\u67b6\u6784\u5e08\u5fc5\u987b\u9009\u62e9\u4e00\u79cd\u4e0e\u5b89\u5168\u8981\u6c42\u548c\u8fd0\u8425\u9884\u7b97\u76f8\u5339\u914d\u7684\u6a21\u5f0f\u3002\u672c\u6587\u63a2\u8ba8\u4e86\u5efa\u6a21\u8fd9\u4e9b\u67b6\u6784\u7684\u6838\u5fc3\u7b56\u7565\uff0c\u6df1\u5165\u5256\u6790\u4e86\u6280\u672f\u5b9e\u73b0\u7ec6\u8282\uff0c\u800c\u65e0\u9700\u4f9d\u8d56\u7279\u5b9a\u5382\u5546\u5de5\u5177\u3002 \ud83d\udee0\ufe0f<\/p>\n<h2>\u7406\u89e3\u6838\u5fc3\u6a21\u5f0f \ud83d\udd0d<\/h2>\n<p>\u591a\u79df\u6237\u5efa\u6a21\u7684\u57fa\u7840\u5728\u4e8e\u79df\u6237\u6570\u636e\u7684\u7269\u7406\u5b58\u50a8\u65b9\u5f0f\u548c\u903b\u8f91\u9694\u79bb\u65b9\u5f0f\u3002\u884c\u4e1a\u5185\u6709\u4e09\u79cd\u622a\u7136\u4e0d\u540c\u7684\u6a21\u5f0f\u5360\u636e\u4e3b\u5bfc\u5730\u4f4d\u3002\u6bcf\u79cd\u6a21\u5f0f\u5728\u6570\u636e\u9694\u79bb\u548c\u7ef4\u62a4\u590d\u6742\u6027\u65b9\u9762\u90fd\u5177\u6709\u72ec\u7279\u7684\u6743\u8861\u3002<\/p>\n<h3>1. \u6bcf\u4e2a\u79df\u6237\u4e13\u7528\u6570\u636e\u5e93 \ud83c\udfe2<\/h3>\n<p>\u5728\u6b64\u65b9\u6cd5\u4e2d\uff0c\u6bcf\u4f4d\u5ba2\u6237\u90fd\u4f1a\u83b7\u5f97\u4e00\u4e2a\u72ec\u7acb\u7684\u6570\u636e\u5e93\u5b9e\u4f8b\u3002\u6240\u6709\u5b9e\u4f8b\u7684ERD\u7ed3\u6784\u4fdd\u6301\u4e00\u81f4\uff0c\u4f46\u7269\u7406\u8fb9\u754c\u975e\u5e38\u4e25\u683c\u3002<\/p>\n<ul>\n<li><strong>\u9694\u79bb\u7ea7\u522b\uff1a<\/strong>\u6700\u9ad8\u3002\u4e00\u4e2a\u6570\u636e\u5e93\u7684\u6545\u969c\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u6570\u636e\u5e93\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u9ad8\u3002\u7269\u7406\u9694\u79bb\u53ef\u9632\u6b62\u610f\u5916\u7684\u6570\u636e\u6cc4\u9732\u3002<\/li>\n<li><strong>\u6210\u672c\uff1a<\/strong>\u8f83\u9ad8\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u5b9e\u4f8b\u90fd\u5b58\u5728\u8d44\u6e90\u5f00\u9500\u3002<\/li>\n<li><strong>\u8fc1\u79fb\uff1a<\/strong>\u590d\u6742\u3002\u6a21\u5f0f\u53d8\u66f4\u9700\u8981\u5728\u6bcf\u4e2a\u5b9e\u4f8b\u4e0a\u8fd0\u884c\u811a\u672c\u3002<\/li>\n<\/ul>\n<p>\u4eceERD\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u8fd9\u79cd\u6a21\u5f0f\u770b\u8d77\u6765\u50cf\u4e00\u4e2a\u6807\u51c6\u7684\u5355\u79df\u6237\u56fe\u3002\u7136\u800c\uff0c\u90e8\u7f72\u6d41\u6c34\u7ebf\u5fc5\u987b\u7ba1\u7406\u591a\u4e2a\u8fde\u63a5\u3002\u8fd9\u901a\u5e38\u7528\u4e8e\u5bf9\u5408\u89c4\u6027\u8981\u6c42\u4e25\u683c\u7684\u5927\u578b\u4f01\u4e1a\u5ba2\u6237\u3002<\/p>\n<h3>2. \u5171\u4eab\u6570\u636e\u5e93\uff0c\u72ec\u7acb\u6a21\u5f0f \ud83d\udcc2<\/h3>\n<p>\u5728\u6b64\u6a21\u5f0f\u4e2d\uff0c\u6240\u6709\u79df\u6237\u90fd\u4f4d\u4e8e\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\uff0c\u4f46\u6bcf\u4e2a\u79df\u6237\u90fd\u6709\u81ea\u5df1\u7684\u72ec\u7acb\u6a21\u5f0f\uff08\u547d\u540d\u7a7a\u95f4\uff09\u3002\u6bcf\u4e2a\u6a21\u5f0f\u4e2d\u90fd\u4f1a\u590d\u5236\u8868\u3002<\/p>\n<ul>\n<li><strong>\u9694\u79bb\u7ea7\u522b\uff1a<\/strong>\u9ad8\u3002\u6570\u636e\u5e93\u5f15\u64ce\u5185\u90e8\u7684\u903b\u8f91\u9694\u79bb\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u5f3a\u3002\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08ACL\uff09\u53ef\u4ee5\u9650\u5236\u6a21\u5f0f\u7684\u53ef\u89c1\u6027\u3002<\/li>\n<li><strong>\u6210\u672c\uff1a<\/strong>\u4e2d\u7b49\u3002\u5171\u4eab\u6570\u636e\u5e93\u5f15\u64ce\u7684\u5f00\u9500\u3002<\/li>\n<li><strong>\u7ef4\u62a4\uff1a<\/strong>\u6bd4\u4e13\u7528\u6570\u636e\u5e93\u66f4\u5bb9\u6613\uff0c\u4f46\u6a21\u5f0f\u66f4\u65b0\u5fc5\u987b\u4f20\u64ad\u5230\u6240\u6709\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<p>\u5728ERD\u4e2d\uff0c\u8fd9\u901a\u8fc7\u5c06\u8868\u5206\u7ec4\u5230\u7279\u5b9a\u7684\u547d\u540d\u7a7a\u95f4\u6807\u7b7e\u4e0b\u8fdb\u884c\u8868\u793a\u3002\u5173\u7cfb\u4fdd\u6301\u4e00\u81f4\uff0c\u4f46\u56fe\u7684\u8303\u56f4\u6269\u5927\uff0c\u4ee5\u663e\u793a\u591a\u4e2a\u6a21\u5f0f\u5bb9\u5668\u3002<\/p>\n<h3>3. \u5171\u4eab\u6570\u636e\u5e93\uff0c\u5171\u4eab\u6a21\u5f0f \ud83d\udd17<\/h3>\n<p>\u8fd9\u662f\u901a\u7528SaaS\u5e94\u7528\u4e2d\u6700\u5e38\u89c1\u7684\u6a21\u5f0f\u3002\u6240\u6709\u6570\u636e\u90fd\u5b58\u50a8\u5728\u76f8\u540c\u7684\u8868\u96c6\u4e2d\uff0c\u901a\u8fc7\u4e00\u4e2a\u7279\u5b9a\u5217\u8fdb\u884c\u533a\u5206\u3002<\/p>\n<ul>\n<li><strong>\u9694\u79bb\u7ea7\u522b\uff1a<\/strong> \u5408\u7406\u3002\u6240\u6709\u884c\u90fd\u5b58\u5728\u4e8e\u540c\u4e00\u5f20\u8868\u4e2d\u3002<\/li>\n<li><strong> \u5b89\u5168\u6027\uff1a<\/strong> \u53d6\u51b3\u4e8e\u5e94\u7528\u7a0b\u5e8f\u903b\u8f91\u548c\u884c\u7ea7\u5b89\u5168\uff08RLS\uff09\u3002<\/li>\n<li><strong> \u6210\u672c\uff1a<\/strong> \u6700\u4f4e\u3002\u6700\u5927\u5316\u8d44\u6e90\u5229\u7528\u7387\u3002<\/li>\n<li><strong> \u7ef4\u62a4\uff1a<\/strong> \u7b80\u5355\u3002\u6a21\u5f0f\u66f4\u6539\u4f1a\u7acb\u5373\u5e94\u7528\u4e8e\u6240\u6709\u79df\u6237\u3002<\/li>\n<\/ul>\n<p>\u6b64\u6a21\u5f0f\u7684ERD\u5f15\u5165\u4e86\u4e00\u4e2a\u5173\u952e\u5217\uff1a<code>tenant_id<\/code>\u3002\u6b64\u5916\u952e\u5c06\u6bcf\u6761\u8bb0\u5f55\u94fe\u63a5\u5230\u7279\u5b9a\u5ba2\u6237\u3002\u5b83\u662f\u8be5\u6a21\u578b\u4e2d\u6570\u636e\u9694\u79bb\u7684\u57fa\u77f3\u3002<\/p>\n<h2>\u5728ERD\u4e2d\u53ef\u89c6\u5316\u79df\u6237\u6570\u636e \ud83d\udcca<\/h2>\n<p>\u4e3a\u591a\u79df\u6237\u521b\u5efa\u6709\u6548\u7684ERD\u9700\u8981\u4f7f\u7528\u7279\u5b9a\u7684\u7b26\u53f7\u6765\u6e05\u6670\u4f20\u8fbe\u5206\u533a\u7b56\u7565\u3002\u5229\u76ca\u76f8\u5173\u8005\u9700\u8981\u7406\u89e3\u6570\u636e\u7684\u6d41\u52a8\u65b9\u5f0f\u4ee5\u53ca\u8fb9\u754c\u6240\u5728\u4f4d\u7f6e\u3002<\/p>\n<h3>\u79df\u6237ID\u5217<\/h3>\n<p>\u5728\u5171\u4eab\u6a21\u5f0f\u4e2d\uff0c<code>tenant_id<\/code>\u5fc5\u987b\u51fa\u73b0\u5728\u5b58\u50a8\u7528\u6237\u7279\u5b9a\u6570\u636e\u7684\u6bcf\u5f20\u8868\u4e2d\u3002\u8fd9\u5e76\u975e\u53ef\u9009\u3002\u5982\u679c\u5728\u4e8b\u52a1\u8868\u4e2d\u9057\u6f0f\u6b64\u5217\uff0c\u53ef\u80fd\u5bfc\u81f4\u4e25\u91cd\u7684\u6570\u636e\u6cc4\u9732\u3002<\/p>\n<ul>\n<li><strong>\u4e3b\u952e\uff1a<\/strong> \u901a\u5e38\uff0c<code>tenant_id<\/code> \u4e0e\u672c\u5730ID\u7684\u7ec4\u5408\u5f62\u6210\u590d\u5408\u4e3b\u952e\u3002<\/li>\n<li><strong> \u7d22\u5f15\uff1a<\/strong> \u5bf9\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u6309<code>tenant_id<\/code> \u8fdb\u884c\u8fc7\u6ee4\u7684\u67e5\u8be2\u5fc5\u987b\u5feb\u901f\u3002<\/li>\n<li><strong> \u7ea6\u675f\uff1a<\/strong> \u5916\u952e\u901a\u5e38\u5f15\u7528\u4e00\u4e2a\u4e2d\u5fc3<code>tenants<\/code> \u4e3b\u8868\u3002<\/li>\n<\/ul>\n<h3>\u4e3b\u79df\u6237\u8868<\/h3>\n<p>\u901a\u5e38\u4f1a\u6709\u4e00\u4e2a\u4e13\u7528\u8868\u6765\u5b58\u50a8\u6bcf\u4e2a\u79df\u6237\u7684\u5143\u6570\u636e\u3002\u8be5\u8868\u5305\u542b\u914d\u7f6e\u8be6\u60c5\u3001\u8ba2\u9605\u72b6\u6001\u548c\u8d26\u5355\u4fe1\u606f\u3002<\/p>\n<ul>\n<li><strong>\u5173\u952e\u5c5e\u6027\uff1a<\/strong>\u79df\u6237ID\u3001\u540d\u79f0\u3001\u8ba1\u5212\u5c42\u7ea7\u3001\u521b\u5efa\u65e5\u671f\u3002<\/li>\n<li><strong>\u5173\u7cfb\uff1a<\/strong>\u4e0e\u5176\u4ed6\u6240\u6709\u6570\u636e\u8868\u4e3a\u4e00\u5bf9\u591a\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<h2>\u6bd4\u8f83\u6a21\u5f0f\u7b56\u7565 \ud83d\udccb<\/h2>\n<p>\u4e3a\u4e86\u505a\u51fa\u660e\u667a\u7684\u51b3\u7b56\uff0c\u8bf7\u4f7f\u7528\u4e0b\u9762\u7684\u8868\u683c\u6bd4\u8f83\u6bcf\u79cd\u7b56\u7565\u7684\u8fd0\u8425\u5f71\u54cd\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u529f\u80fd<\/th>\n<th>\u4e13\u7528\u6570\u636e\u5e93<\/th>\n<th>\u5171\u4eab\u6a21\u5f0f<\/th>\n<th>\u5171\u4eab\u8868<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6570\u636e\u9694\u79bb<\/td>\n<td>\u7269\u7406<\/td>\n<td>\u903b\u8f91<\/td>\n<td>\u903b\u8f91<\/td>\n<\/tr>\n<tr>\n<td>\u67e5\u8be2\u590d\u6742\u5ea6<\/td>\n<td>\u7b80\u5355<\/td>\n<td>\u590d\u6742<\/td>\n<td>\u590d\u6742<\/td>\n<\/tr>\n<tr>\n<td>\u8d44\u6e90\u6210\u672c<\/td>\n<td>\u9ad8<\/td>\n<td>\u4e2d\u7b49<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u6a21\u5f0f\u8fc1\u79fb<\/td>\n<td>\u56f0\u96be<\/td>\n<td>\u4e2d\u7b49<\/td>\n<td>\u7b80\u5355<\/td>\n<\/tr>\n<tr>\n<td>\u5907\u4efd\u7b56\u7565<\/td>\n<td>\u7ec6\u7c92\u5ea6<\/td>\n<td>\u7ec6\u7c92\u5ea6<\/td>\n<td>\u5b8c\u6574\u8f6c\u50a8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5b89\u5168\u4e0e\u6570\u636e\u5206\u533a \ud83d\udd12<\/h2>\n<p>\u5efa\u6a21\u6570\u636e\u7ed3\u6784\u53ea\u662f\u5b8c\u6210\u4e86\u4e00\u534a\u5de5\u4f5c\u3002\u6570\u636e\u8bbf\u95ee\u5c42\u5fc5\u987b\u5f3a\u5236\u6267\u884c\u56fe\u4e2d\u5b9a\u4e49\u7684\u8fb9\u754c\u3002\u4f7f\u7528\u5171\u4eab\u8868\u65f6\uff0c\u76ee\u6807\u662f\u5b9e\u73b0\u903b\u8f91\u9694\u79bb\u3002<\/p>\n<h3>\u884c\u7ea7\u5b89\u5168\uff08RLS\uff09<\/h3>\n<p>\u73b0\u4ee3\u6570\u636e\u5e93\u5f15\u64ce\u652f\u6301RLS\uff0c\u5b83\u5728\u884c\u7ea7\u522b\u5f3a\u5236\u6267\u884c\u8bbf\u95ee\u7b56\u7565\u3002\u8fd9\u4f7f\u5f97\u6570\u636e\u5e93\u672c\u8eab\u53ef\u4ee5\u6839\u636e\u5f53\u524d\u7528\u6237\u4e0a\u4e0b\u6587\u8fc7\u6ee4\u7ed3\u679c\u3002<\/p>\n<ul>\n<li><strong>\u7b56\u7565\u5b9a\u4e49\uff1a<\/strong> \u4e00\u6761\u89c4\u5219\u6307\u51fa\uff0c\u53ea\u6709\u5f53 <code>tenant_id<\/code> \u4e0e\u4f1a\u8bdd\u5339\u914d\u65f6\uff0c\u8be5\u884c\u624d\u53ef\u89c1\u3002<\/li>\n<li><strong> \u5b9e\u73b0\uff1a<\/strong> ERD\u5e94\u4f53\u73b0\u5b58\u50a8\u4f1a\u8bdd\u4e0a\u4e0b\u6587\u7684\u80fd\u529b\u3002<\/li>\n<li><strong> \u4f18\u52bf\uff1a<\/strong> \u964d\u4f4e\u5e94\u7528\u7a0b\u5e8f\u7ea7\u9519\u8bef\u5bfc\u81f4\u6570\u636e\u6cc4\u9732\u7684\u98ce\u9669\u3002<\/li>\n<\/ul>\n<h3>\u5ba1\u8ba1\u4e0e\u65e5\u5fd7\u8bb0\u5f55<\/h3>\n<p>\u5bf9\u79df\u6237\u7279\u5b9a\u6570\u636e\u7684\u6bcf\u4e00\u6b21\u66f4\u6539\u90fd\u5e94\u88ab\u8bb0\u5f55\u3002ERD\u4e2d\u5fc5\u987b\u5305\u542b\u5ba1\u8ba1\u8868\uff0c\u4ee5\u8ffd\u8e2a\u8c01\u5728\u4f55\u65f6\u4fee\u6539\u4e86\u4ec0\u4e48\u5185\u5bb9\u3002\u8fd9\u5bf9\u5408\u89c4\u6027\u548c\u8c03\u8bd5\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>\u5fc5\u9700\u5b57\u6bb5\uff1a<\/strong> \u79df\u6237ID\u3001\u7528\u6237ID\u3001\u64cd\u4f5c\u3001\u65f6\u95f4\u6233\u3001\u65e7\u503c\u3001\u65b0\u503c\u3002<\/li>\n<li><strong> \u4fdd\u7559\u7b56\u7565\uff1a<\/strong> \u7b56\u7565\u5fc5\u987b\u660e\u786e\u65e5\u5fd7\u7684\u4fdd\u7559\u65f6\u957f\u3002<\/li>\n<\/ul>\n<h2>\u6027\u80fd\u8003\u8651 \u26a1<\/h2>\n<p>\u5171\u4eab\u8868\u4f1a\u589e\u52a0\u67e5\u8be2\u6267\u884c\u8ba1\u5212\u7684\u590d\u6742\u6027\u3002\u968f\u7740\u6570\u636e\u91cf\u7684\u589e\u957f\uff0c\u6570\u636e\u5e93\u5f15\u64ce\u5fc5\u987b\u9ad8\u6548\u5730\u5206\u79bb\u79df\u6237\u6570\u636e\uff0c\u800c\u65e0\u9700\u626b\u63cf\u6574\u4e2a\u8868\u3002<\/p>\n<h3>\u7d22\u5f15\u7b56\u7565<\/h3>\n<p>\u6807\u51c6\u7d22\u5f15\u4e0d\u8db3\u4ee5\u6ee1\u8db3\u9700\u6c42\u3002\u4f60\u9700\u8981\u4f7f\u7528\u4ee5\u79df\u6237\u6807\u8bc6\u7b26\u4e3a\u4f18\u5148\u7684\u590d\u5408\u7d22\u5f15\u3002<\/p>\n<ul>\n<li><strong>\u4e3b\u7d22\u5f15\uff1a<\/strong> \u5e94\u4ee5 <code>tenant_id<\/code> \u5f00\u5934\uff0c\u7136\u540e\u662f\u81ea\u7136\u952e\u3002<\/li>\n<li><strong>\u67e5\u8be2\u4f18\u5316\uff1a<\/strong> \u786e\u4fdd\u6240\u6709\u67e5\u8be2\u90fd\u5728 <code>WHERE<\/code> \u5b50\u53e5\u4e2d\u5305\u542b\u79df\u6237\u8fc7\u6ee4\u6761\u4ef6\u3002<\/li>\n<li><strong>\u5206\u533a\uff1a<\/strong> \u67d0\u4e9b\u7cfb\u7edf\u5141\u8bb8\u6309\u4ee5\u4e0b\u65b9\u5f0f\u5bf9\u8868\u8fdb\u884c\u7269\u7406\u5206\u533a\uff1a<code>tenant_id<\/code> \u8303\u56f4\u6216\u54c8\u5e0c\u3002<\/li>\n<\/ul>\n<h3>\u67e5\u8be2\u590d\u6742\u6027<\/h3>\n<p>\u5728\u8de8\u591a\u4e2a\u6a21\u5f0f\u6216\u79df\u6237\u7684\u8868\u4e4b\u95f4\u8fdb\u884c\u8fde\u63a5\u65f6\uff0c\u8fde\u63a5\u6761\u4ef6\u5fc5\u987b\u5305\u542b\u79df\u6237ID\u3002\u5982\u679c\u672a\u8fd9\u6837\u505a\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6765\u81ea\u4e0d\u540c\u5ba2\u6237\u7684\u6570\u636e\u663e\u793a\u4e3a\u7b1b\u5361\u5c14\u79ef\u3002<\/p>\n<ul>\n<li><strong>\u8fde\u63a5\u903b\u8f91\uff1a<\/strong> \u59cb\u7ec8\u6309\u4ee5\u4e0b\u6761\u4ef6\u8fdb\u884c\u8fde\u63a5\uff1a<code>tenant_id<\/code> \u4ee5\u53ca\u5173\u7cfb\u952e\u3002<\/li>\n<li><strong>\u5e94\u7528\u5c42\uff1a<\/strong> \u4e2d\u95f4\u4ef6\u5e94\u81ea\u52a8\u6ce8\u5165\u79df\u6237\u8fc7\u6ee4\u5668\u3002<\/li>\n<\/ul>\n<h2>\u7ef4\u62a4\u4e0e\u8fc1\u79fb \ud83d\udd04<\/h2>\n<p>\u6a21\u5f0f\u5e76\u975e\u9759\u6001\u7684\u3002\u968f\u7740\u9700\u6c42\u7684\u53d8\u5316\u800c\u6f14\u53d8\u3002\u591a\u79df\u6237\u4e3a\u8fd9\u4e9b\u53d8\u66f4\u589e\u52a0\u4e86\u989d\u5916\u7684\u590d\u6742\u6027\u3002<\/p>\n<h3>\u6a21\u5f0f\u6f14\u8fdb<\/h3>\n<p>\u5728\u5171\u4eab\u8868\u4e2d\u6dfb\u52a0\u5217\u5f88\u7b80\u5355\u3002\u5220\u9664\u5217\u4f1a\u5f71\u54cd\u6240\u6709\u79df\u6237\u3002\u5728\u4e13\u7528\u6570\u636e\u5e93\u6a21\u578b\u4e2d\uff0c\u5fc5\u987b\u4e3a\u6bcf\u4e2a\u5b9e\u4f8b\u7f16\u5199\u53d8\u66f4\u811a\u672c\u3002<\/p>\n<ul>\n<li><strong>\u7248\u672c\u63a7\u5236\uff1a<\/strong> \u8ddf\u8e2a\u6a21\u5f0f\u7248\u672c\u4ee5\u7ba1\u7406\u5411\u540e\u517c\u5bb9\u6027\u3002<\/li>\n<li><strong>\u56de\u6eda\uff1a<\/strong> \u5982\u679c\u8fc1\u79fb\u5728\u90e8\u5206\u79df\u6237\u4e0a\u5931\u8d25\uff0c\u5e94\u6709\u8ba1\u5212\u5730\u56de\u6eda\u53d8\u66f4\u3002<\/li>\n<\/ul>\n<h3>\u5907\u4efd\u4e0e\u6062\u590d<\/h3>\n<p>\u6062\u590d\u7b56\u7565\u56e0\u6a21\u5f0f\u800c\u5f02\u3002\u4e13\u7528\u6570\u636e\u5e93\u5141\u8bb8\u60a8\u6062\u590d\u5355\u4e2a\u79df\u6237\u800c\u4e0d\u5f71\u54cd\u5176\u4ed6\u79df\u6237\u3002\u5171\u4eab\u6570\u636e\u5e93\u5219\u9700\u8981\u6062\u590d\u6574\u4e2a\u5b9e\u4f8b\u3002<\/p>\n<ul>\n<li><strong>\u7c92\u5ea6\uff1a<\/strong> \u5171\u4eab\u8868\u4f7f\u5f97\u5bf9\u5355\u4e2a\u79df\u6237\u8fdb\u884c\u65f6\u95f4\u70b9\u6062\u590d\u53d8\u5f97\u56f0\u96be\u3002<\/li>\n<li><strong>\u6d4b\u8bd5\uff1a<\/strong> \u5b9a\u671f\u5728\u9884\u53d1\u5e03\u73af\u5883\u4e2d\u6d4b\u8bd5\u6062\u590d\u6d41\u7a0b\u3002<\/li>\n<\/ul>\n<h2>\u5e38\u89c1\u9677\u9631\u9700\u907f\u514d \u26a0\ufe0f<\/h2>\n<p>\u5373\u4f7f\u62e5\u6709\u8bbe\u8ba1\u826f\u597d\u7684ERD\uff0c\u5b9e\u73b0\u9519\u8bef\u4ecd\u53ef\u80fd\u5371\u53ca\u7cfb\u7edf\u3002\u52a1\u5fc5\u8b66\u60d5\u8fd9\u4e9b\u5e38\u89c1\u95ee\u9898\u3002<\/p>\n<ul>\n<li><strong>\u786c\u7f16\u7801\u79df\u6237\u903b\u8f91\uff1a<\/strong> \u6c38\u8fdc\u4e0d\u8981\u5728\u5e94\u7528\u4ee3\u7801\u4e2d\u786c\u7f16\u7801\u79df\u6237ID\u3002\u5e94\u4f7f\u7528\u914d\u7f6e\u6216\u4f1a\u8bdd\u4e0a\u4e0b\u6587\u3002<\/li>\n<li><strong>\u5168\u5c40\u53d8\u91cf\uff1a<\/strong> \u907f\u514d\u5c06\u79df\u6237\u4e0a\u4e0b\u6587\u5b58\u50a8\u5728\u53ef\u80fd\u8de8\u8bf7\u6c42\u6301\u7eed\u5b58\u5728\u7684\u5168\u5c40\u53d8\u91cf\u4e2d\u3002<\/li>\n<li><strong> \u7f3a\u5931\u7ea6\u675f\uff1a<\/strong> \u5982\u679c\u6570\u636e\u5e93\u672a\u5f3a\u5236\u6267\u884c <code>tenant_id<\/code> \u552f\u4e00\u6027\uff0c\u5e94\u7528\u7a0b\u5e8f\u5fc5\u987b\u4e25\u683c\u9a8c\u8bc1\u3002<\/li>\n<li><strong> \u5ffd\u7565\u5206\u6790\uff1a<\/strong> \u4e3a\u62a5\u544a\u76ee\u7684\u8de8\u79df\u6237\u805a\u5408\u6570\u636e\u9700\u8981\u4ed4\u7ec6\u5904\u7406\uff0c\u4ee5\u907f\u514d\u654f\u611f\u4fe1\u606f\u6df7\u6742\u3002<\/li>\n<\/ul>\n<h2> \u547d\u540d\u89c4\u8303\u7684\u6700\u4f73\u5b9e\u8df5 \ud83c\udff7\ufe0f<\/h2>\n<p> \u547d\u540d\u7684\u4e00\u81f4\u6027\u6709\u52a9\u4e8e\u5f00\u53d1\u4eba\u5458\u7acb\u5373\u7406\u89e3\u6570\u636e\u7ed3\u6784\u3002\u5982\u679c\u5171\u4eab\u6a21\u5f0f\u4e2d\u5b58\u5728\u79df\u6237\u7279\u5b9a\u7684\u8868\uff0c\u8bf7\u4f7f\u7528\u524d\u7f00\u6216\u540e\u7f00\u8fdb\u884c\u6807\u8bc6\u3002<\/p>\n<ul>\n<li><strong> \u8868\u547d\u540d\uff1a<\/strong> <code>tenant_<strong>name<\/strong>_orders<\/code> \u6216 <code>orders_tenant_<strong>id<\/strong><\/code>.<\/li>\n<li><strong> \u5217\u547d\u540d\uff1a<\/strong> \u59cb\u7ec8\u663e\u5f0f\u5305\u542b <code>tenant_id<\/code> \u663e\u5f0f\u5305\u542b\u5728\u6bcf\u4e2a\u8bb0\u5f55\u8868\u4e2d\u3002<\/li>\n<li><strong> \u7d22\u5f15\uff1a<\/strong> \u6e05\u6670\u547d\u540d\u7d22\u5f15\uff0c\u4f8b\u5982 <code>idx_orders_tenant_id<\/code>.<\/li>\n<\/ul>\n<h2> \u67b6\u6784\u9009\u62e9\u7684\u7ed3\u8bba \ud83c\udfaf<\/h2>\n<p> \u9009\u62e9\u5408\u9002\u7684\u591a\u79df\u6237\u6a21\u5f0f\u9700\u8981\u5728\u6280\u672f\u53ef\u884c\u6027\u4e0e\u4e1a\u52a1\u9700\u6c42\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002ERD \u662f\u5c06\u8fd9\u4e00\u9009\u62e9\u4f20\u8fbe\u7ed9\u6574\u4e2a\u56e2\u961f\u7684\u5de5\u5177\u3002\u65e0\u8bba\u9009\u62e9\u7269\u7406\u9694\u79bb\u4ee5\u786e\u4fdd\u5b89\u5168\uff0c\u8fd8\u662f\u5171\u4eab\u8868\u4ee5\u63d0\u9ad8\u6548\u7387\uff0c\u56fe\u8868\u90fd\u5fc5\u987b\u6e05\u6670\u5730\u5c55\u793a\u8fb9\u754c\u3002<\/p>\n<p> 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