{"id":71,"date":"2026-04-05T08:29:12","date_gmt":"2026-04-05T08:29:12","guid":{"rendered":"https:\/\/www.we-notes.com\/tw\/scaling-erd-thousands-millions-records\/"},"modified":"2026-04-05T08:29:12","modified_gmt":"2026-04-05T08:29:12","slug":"scaling-erd-thousands-millions-records","status":"publish","type":"post","link":"https:\/\/www.we-notes.com\/tw\/scaling-erd-thousands-millions-records\/","title":{"rendered":"\u6848\u4f8b\u7814\u7a76\uff1a\u5728\u4e0d\u5d29\u6f70\u7684\u60c5\u6cc1\u4e0b\uff0c\u5c07ER\u5716\u5f9e\u6578\u5343\u7b46\u64f4\u5c55\u81f3\u6578\u767e\u842c\u7b46\u8a18\u9304"},"content":{"rendered":"<p>\u6bcf\u4f4d\u8cc7\u6599\u67b6\u69cb\u5e2b\u90fd\u6703\u9762\u81e8\u540c\u6a23\u7684\u95dc\u9375\u6642\u523b\u3002\u4f60\u5f9e\u4e00\u500b\u4e7e\u6de8\u3001\u898f\u7bc4\u5316\u7684\u8cc7\u6599\u7d50\u69cb\u958b\u59cb\u3002\u8cc7\u6599\u5eab\u8f15\u9b06\u61c9\u4ed8\u6578\u5343\u7b46\u8a18\u9304\u3002\u67e5\u8a62\u5728\u6beb\u79d2\u5167\u5b8c\u6210\u3002\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u770b\u8d77\u4f86\u975e\u5e38\u512a\u96c5\u3002\u63a5\u8457\uff0c\u696d\u52d9\u64f4\u5f35\u3002\u4f7f\u7528\u8005\u63a1\u7528\u7387\u6025\u5287\u4e0a\u5347\u3002\u8cc7\u6599\u91cf\u7206\u70b8\u6027\u589e\u9577\u3002\u7a81\u7136\u9593\uff0c\u7cfb\u7d71\u8b8a\u6162\u4e86\u3002\u9023\u63a5\u64cd\u4f5c\u8017\u6642\u6578\u79d2\u3002\u9396\u5b9a\u963b\u585e\u4e86\u4ea4\u6613\u3002\u539f\u59cb\u7684ERD\u8a2d\u8a08\u53cd\u800c\u6210\u70ba\u8ca0\u64d4\u3002<\/p>\n<p>\u672c\u6307\u5357\u8a73\u7d30\u8aaa\u660e\u4e86\u5f9e\u5c0f\u578b\u8cc7\u6599\u5eab\u904e\u6e21\u5230\u9ad8\u6d41\u91cf\u751f\u7522\u74b0\u5883\u7684\u904e\u7a0b\u3002\u6211\u5011\u63a2\u8a0e\u70ba\u7dad\u6301\u6548\u80fd\u800c\u4e0d\u72a7\u7272\u8cc7\u6599\u5b8c\u6574\u6027\u7684\u7d50\u69cb\u6027\u8b8a\u66f4\u3002\u91cd\u9ede\u4ecd\u653e\u5728\u908f\u8f2f\u8a2d\u8a08\u3001\u7d22\u5f15\u7b56\u7565\u8207\u5206\u5272\u6280\u8853\u4e0a\u3002\u9019\u88e1\u672a\u63d0\u53ca\u4efb\u4f55\u7279\u5b9a\u5ee0\u5546\u7684\u8edf\u9ad4\uff1b\u9019\u4e9b\u539f\u5247\u9069\u7528\u65bc\u4efb\u4f55\u95dc\u4fc2\u578b\u5132\u5b58\u5f15\u64ce\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Cartoon infographic illustrating how to scale an Entity Relationship Diagram from thousands to millions of records, showing four phases: baseline normalized schema, schema refactoring with denormalization strategies, indexing techniques including composite and covering indexes, partitioning and sharding methods, query optimization tips, common pitfalls to avoid, and key performance metrics to monitor for database reliability and growth\" decoding=\"async\" src=\"https:\/\/www.we-notes.com\/wp-content\/uploads\/2026\/04\/scaling-erd-infographic-cartoon-16x9-1.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83c\udfd7\ufe0f \u57fa\u6e96\uff1a\u70ba\u6210\u9577\u800c\u8a2d\u8a08<\/h2>\n<p>\u7576\u61c9\u7528\u7a0b\u5f0f\u525b\u958b\u59cb\u6642\uff0c\u9996\u8981\u76ee\u6a19\u662f\u958b\u767c\u901f\u5ea6\u3002ERD\u6e96\u78ba\u53cd\u6620\u4e86\u696d\u52d9\u9818\u57df\u3002\u898f\u7bc4\u5316\u7a0b\u5ea6\u5f88\u9ad8\u3002\u7b2c\u4e09\u7bc4\u5f0f\uff083NF\uff09\u901a\u5e38\u662f\u76ee\u6a19\u3002\u9019\u80fd\u6700\u5c0f\u5316\u91cd\u8907\u8cc7\u6599\uff0c\u78ba\u4fdd\u8cc7\u6599\u4e00\u81f4\u6027\u3002\u7136\u800c\uff0c\u9019\u7a2e\u65b9\u6cd5\u5047\u8a2d\u4e86\u7279\u5b9a\u7684\u5de5\u4f5c\u8ca0\u8f09\u6a21\u5f0f\u3002\u5047\u8a2d\u67e5\u8a62\u7c21\u55ae\uff0c\u5047\u8a2d\u8cc7\u6599\u96c6\u80fd\u8f15\u9b06\u5730\u653e\u5165\u8a18\u61b6\u9ad4\u4e2d\u3002<\/p>\n<p>\u96a8\u8457\u8cc7\u6599\u96c6\u64f4\u5927\uff0c\u9019\u4e9b\u5047\u8a2d\u4fbf\u4e0d\u518d\u6210\u7acb\u3002\u9023\u63a5\u64cd\u4f5c\u7684\u6210\u672c\u5448\u5c0d\u6578\u589e\u9577\u3002\u67e5\u8a62\u8655\u7406\u5668\u6383\u63cf\u7684\u8cc7\u6599\u91cf\u5448\u7dda\u6027\u589e\u9577\u3002\u78c1\u789fI\/O\u6210\u70ba\u74f6\u9838\u3002\u67b6\u69cb\u5fc5\u9808\u5f9e\u908f\u8f2f\u7d14\u7cb9\u6027\u8f49\u5411\u7269\u7406\u6548\u80fd\u3002<\/p>\n<h3>\u8b58\u5225\u5d29\u6f70\u9ede<\/h3>\n<p>\u5728\u91cd\u69cb\u4e4b\u524d\uff0c\u4f60\u5fc5\u9808\u4e86\u89e3\u7cfb\u7d71\u5728\u54ea\u88e1\u5931\u6548\u3002\u5f9e\u6578\u5343\u7b46\u5230\u6578\u767e\u842c\u7b46\u8a18\u9304\u7684\u8f49\u8b8a\uff0c\u6539\u8b8a\u4e86\u8cc7\u6599\u6aa2\u7d22\u7684\u7269\u7406\u7279\u6027\u3002\u8acb\u7559\u610f\u4ee5\u4e0b\u6307\u6a19\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u5ef6\u9072\uff1a<\/strong>\u539f\u672c\u53ea\u97005\u6beb\u79d2\u7684\u67e5\u8a62\uff0c\u73fe\u5728\u9700\u8981500\u6beb\u79d2\u3002<\/li>\n<li><strong>\u9396\u7af6\u722d\uff1a<\/strong>\u4ea4\u6613\u5728\u7b49\u5f85\u9396\u91cb\u653e\u3002<\/li>\n<li><strong>\u5beb\u5165\u541e\u5410\u91cf\uff1a<\/strong>\u7531\u65bc\u7d22\u5f15\u7dad\u8b77\uff0c\u63d2\u5165\u64cd\u4f5c\u8b8a\u6162\u3002<\/li>\n<li><strong>\u8a18\u61b6\u9ad4\u58d3\u529b\uff1a<\/strong>\u7de9\u885d\u6c60\u7121\u6cd5\u5feb\u53d6\u7d93\u5e38\u5b58\u53d6\u7684\u8868\u683c\u3002<\/li>\n<li><strong>\u7db2\u8def\u98fd\u548c\uff1a<\/strong>\u5927\u578b\u7d50\u679c\u96c6\u6d88\u8017\u983b\u5bec\u3002<\/li>\n<\/ul>\n<p>\u7576\u9019\u4e9b\u75c7\u72c0\u51fa\u73fe\u6642\uff0cERD\u5fc5\u9808\u6f14\u9032\u3002\u4f60\u4e0d\u80fd\u50c5\u50c5\u589e\u52a0\u66f4\u591a\u786c\u9ad4\u3002\u4f60\u5fc5\u9808\u512a\u5316\u7d50\u69cb\u3002<\/p>\n<h2>\ud83d\udd0d \u7b2c\u4e00\u968e\u6bb5\uff1a\u7d50\u69cb\u91cd\u69cb<\/h2>\n<p>\u64f4\u5c55\u7684\u7b2c\u4e00\u6b65\u662f\u5be9\u67e5\u5be6\u9ad4\u95dc\u4fc2\u5716\u3002\u4f60\u9700\u8981\u78ba\u8a8d\u76ee\u524d\u7684\u7d50\u69cb\u662f\u5426\u80fd\u652f\u63f4\u898f\u6a21\u5316\u6240\u9700\u7684\u67e5\u8a62\u6a21\u5f0f\u3002<\/p>\n<h3>\u898f\u7bc4\u5316\u8207\u53cd\u898f\u7bc4\u5316<\/h3>\n<p>\u898f\u7bc4\u5316\u80fd\u6e1b\u5c11\u8cc7\u6599\u91cd\u8907\uff0c\u7c21\u5316\u66f4\u65b0\u3002\u7136\u800c\uff0c\u5b83\u5f37\u5236\u4f7f\u7528\u9023\u63a5\u64cd\u4f5c\u3002\u5728\u898f\u6a21\u5316\u6642\uff0c\u9023\u63a5\u64cd\u4f5c\u6210\u672c\u9ad8\u6602\u3002\u53cd\u898f\u7bc4\u5316\u5f15\u5165\u91cd\u8907\u8cc7\u6599\uff0c\u6e1b\u5c11\u9023\u63a5\u6b21\u6578\uff0c\u52a0\u5feb\u8b80\u53d6\u901f\u5ea6\u3002\u9019\u662f\u4e00\u9805\u5fc5\u9808\u8b39\u614e\u7ba1\u7406\u7684\u6b0a\u8861\u3002<\/p>\n<p>n<\/p>\n<p>\u8003\u616e\u4ee5\u4e0b\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u8b80\u53d6\u5bc6\u96c6\u578b\u5de5\u4f5c\u8ca0\u8f09\uff1a<\/strong>\u5c0d\u7d93\u5e38\u5b58\u53d6\u7684\u5c6c\u6027\u9032\u884c\u53cd\u898f\u7bc4\u5316\u3002\u5c07\u5b83\u5011\u76f4\u63a5\u5132\u5b58\u5728\u4e3b\u8868\u683c\u4e2d\uff0c\u4ee5\u907f\u514d\u9023\u63a5\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u5beb\u5165\u5bc6\u96c6\u578b\u5de5\u4f5c\u8ca0\u8f09\uff1a<\/strong>\u7dad\u6301\u898f\u7bc4\u5316\u3002\u907f\u514d\u5728\u591a\u500b\u8868\u683c\u4e4b\u9593\u9032\u884c\u7d1a\u806f\u66f4\u65b0\u3002<\/li>\n<li><strong>\u6df7\u5408\u65b9\u6cd5\uff1a<\/strong> \u4fdd\u6301\u6838\u5fc3\u8cc7\u6599\u7d50\u69cb\u7684\u898f\u7bc4\u5316\u3002\u70ba\u5831\u8868\u5efa\u7acb\u7269\u5316\u6aa2\u8996\u6216\u6458\u8981\u8868\u683c\u3002<\/li>\n<\/ul>\n<p> \u5728\u6211\u5011\u7684\u6848\u4f8b\u7814\u7a76\u4e2d\uff0c\u539f\u59cb\u8a2d\u8a08\u9700\u8981\u5c07\u5341\u5f35\u8868\u683c\u9032\u884c\u95dc\u806f\u4ee5\u53d6\u5f97\u55ae\u4e00\u4f7f\u7528\u8005\u8cc7\u6599\u3002\u9019\u5c0e\u81f4\u4e86\u904e\u5ea6\u7684\u78c1\u789f I\/O\u3002\u900f\u904e\u5c07\u6700\u5e38\u898b\u7684\u4f7f\u7528\u8005\u5c6c\u6027\u53bb\u898f\u7bc4\u5316\u4e26\u653e\u5165\u4e3b\u8981\u7684\u4f7f\u7528\u8005\u8cc7\u6599\u8868\u4e2d\uff0c\u6211\u5011\u5c07\u95dc\u806f\u6b21\u6578\u5f9e\u5341\u6b21\u6e1b\u5c11\u5230\u4e00\u6b21\u3002<\/p>\n<h3>\u8655\u7406\u5927\u578b\u6587\u5b57\u6b04\u4f4d<\/h3>\n<p> \u5728\u4e3b\u8868\u683c\u4e2d\u5132\u5b58\u5927\u578b\u5b57\u4e32\uff08CLOBs\uff09\u6703\u5c0e\u81f4\u9801\u9762\u8b80\u53d6\u901f\u5ea6\u8b8a\u6162\u3002\u8cc7\u6599\u5eab\u5f15\u64ce\u5fc5\u9808\u8f09\u5165\u6574\u500b\u8cc7\u6599\u5217\u4ee5\u6aa2\u67e5\u4e3b\u9375\u3002\u5982\u679c\u8cc7\u6599\u5217\u904e\u5927\uff0c\u53ef\u80fd\u6703\u6ea2\u51fa\u5230\u78c1\u789f\u4e0a\u3002<\/p>\n<p> \u6700\u4f73\u5be6\u52d9\u5305\u62ec\uff1a<\/p>\n<ul>\n<li> \u5c07\u5927\u578b\u6587\u5b57\u6b04\u4f4d\u5206\u96e2\u5230\u4e00\u500b\u95dc\u806f\u7684\u8868\u683c\u4e2d\u3002<\/li>\n<li> \u50c5\u5728\u660e\u78ba\u8981\u6c42\u6642\u624d\u53d6\u5f97\u6587\u5b57\u6b04\u4f4d\u3002<\/li>\n<li> \u5728\u4e3b\u7d22\u5f15\u4e2d\u5132\u5b58\u53c3\u8003\uff08ID\uff09\u800c\u975e\u5167\u5bb9\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udcc8 \u7b2c\u4e8c\u968e\u6bb5\uff1a\u7d22\u5f15\u7b56\u7565<\/h2>\n<p> \u7d22\u5f15\u662f\u67e5\u8a62\u6548\u80fd\u7684\u5f15\u64ce\u3002\u8a2d\u8a08\u826f\u597d\u7684\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u4f9d\u8cf4\u7d22\u5f15\u4f86\u5feb\u901f\u5b9a\u4f4d\u8cc7\u6599\u3002\u96a8\u8457\u8cc7\u6599\u8a18\u9304\u589e\u52a0\uff0c\u7d22\u5f15\u5927\u5c0f\u4e5f\u6703\u589e\u52a0\u3002\u7dad\u8b77\u7d22\u5f15\u6703\u6d88\u8017\u5beb\u5165\u8cc7\u6e90\u3002<\/p>\n<h3>\u8907\u5408\u7d22\u5f15<\/h3>\n<p> \u55ae\u6b04\u7d22\u5f15\u901a\u5e38\u4e0d\u5920\u7528\u3002\u8907\u5408\u7d22\u5f15\u8b93\u5f15\u64ce\u80fd\u540c\u6642\u6839\u64da\u591a\u500b\u689d\u4ef6\u9032\u884c\u7be9\u9078\u3002\u7d22\u5f15\u4e2d\u6b04\u4f4d\u7684\u9806\u5e8f\u5f88\u91cd\u8981\uff0c\u6700\u5177\u9078\u64c7\u6027\u7684\u6b04\u4f4d\u61c9\u653e\u5728\u6700\u524d\u9762\u3002<\/p>\n<p>\u8209\u4f8b\u4f86\u8aaa\uff0c\u5982\u679c\u4f60\u6839\u64da <em>\u72c0\u614b<\/em> \u548c <em>\u65e5\u671f<\/em>\uff0c\u4f46\u5982\u679c <em>\u72c0\u614b<\/em>\u7684\u9078\u64c7\u6027\u8f03\u4f4e\uff08\u4f8b\u5982\u53ea\u6709\u4e09\u500b\u503c\uff09\uff0c\u5247\u61c9\u5c07 <em>\u65e5\u671f<\/em> \u653e\u5728\u524d\u9762\u3002\u9019\u6a23\u80fd\u66f4\u5feb\u5730\u7e2e\u5c0f\u641c\u5c0b\u7bc4\u570d\u3002<\/p>\n<h3>\u8986\u84cb\u7d22\u5f15<\/h3>\n<p>\u8986\u84cb\u7d22\u5f15\u5305\u542b\u67e5\u8a62\u6240\u9700\u7684\u5168\u90e8\u6b04\u4f4d\u3002\u8cc7\u6599\u5eab\u50c5\u4f7f\u7528\u7d22\u5f15\u5373\u53ef\u6eff\u8db3\u67e5\u8a62\uff0c\u7121\u9700\u89f8\u53ca\u8868\u683c\u8cc7\u6599\uff08\u5806\u758a\uff09\u3002\u9019\u80fd\u5e36\u4f86\u986f\u8457\u7684\u6548\u80fd\u63d0\u5347\u3002<\/p>\n<ul>\n<li>\u5305\u542b\u6240\u6709 <code>SELECT<\/code>\u6b04\u4f4d\u3002<\/li>\n<li>\u5305\u542b\u6240\u6709 <code>WHERE<\/code>\u5b50\u53e5\u6b04\u4f4d\u3002<\/li>\n<li>\u5305\u542b\u6240\u6709 <code>\u6392\u5e8f\u4f9d\u64da<\/code> \u6b04\u4f4d\u3002<\/li>\n<\/ul>\n<h3>\u7d22\u5f15\u7dad\u8b77<\/h3>\n<p>\u7d22\u5f15\u4e26\u975e\u975c\u614b\u7684\u3002\u5b83\u5011\u6703\u96a8\u8457\u6642\u9593\u800c\u788e\u7247\u5316\uff0c\u4e26\u96a8\u8457\u8cc7\u6599\u589e\u9577\u3002\u9700\u8981\u5b9a\u671f\u7dad\u8b77\u3002<\/p>\n<ul>\n<li><strong>\u91cd\u5efa\uff1a<\/strong> \u91cd\u6574\u7d22\u5f15\u7d50\u69cb\uff0c\u6d88\u9664\u788e\u7247\u3002<\/li>\n<li><strong> \u91cd\u7d44\uff1a<\/strong> \u5728\u4e0d\u5b8c\u5168\u91cd\u5efa\u7684\u60c5\u6cc1\u4e0b\u91cd\u65b0\u6392\u5e8f\u8449\u9801\u9762\u3002<\/li>\n<li><strong> \u76e3\u63a7\uff1a<\/strong> \u8ffd\u8e64\u672a\u4f7f\u7528\u7684\u7d22\u5f15\u3002\u79fb\u9664\u5b83\u5011\u4ee5\u7bc0\u7701\u5beb\u5165\u7a7a\u9593\u3002<\/li>\n<\/ul>\n<h2>\ud83d\uddc4\ufe0f \u7b2c\u4e09\u968e\u6bb5\uff1a\u5206\u5272\u8207\u5206\u7247<\/h2>\n<p>\u7576\u55ae\u4e00\u8cc7\u6599\u8868\u8d85\u904e\u55ae\u4e00\u78c1\u789f\u6216\u8a18\u61b6\u9ad4\u6c60\u7684\u5bb9\u91cf\u6642\uff0c\u5206\u5272\u4fbf\u6210\u70ba\u5fc5\u8981\u3002\u9019\u6703\u5c07\u4e00\u500b\u908f\u8f2f\u8cc7\u6599\u8868\u62c6\u5206\u6210\u8f03\u5c0f\u7684\u7269\u7406\u5340\u6bb5\u3002<\/p>\n<h3>\u7bc4\u570d\u5206\u5272<\/h3>\n<p>\u6b64\u65b9\u6cd5\u6839\u64da\u7bc4\u570d\u503c\u4f86\u5206\u5272\u8cc7\u6599\u3002\u5e38\u898b\u65bc\u65e5\u671f\u6216\u9023\u7e8c\u8b58\u5225\u78bc\u3002\u4f8b\u5982\uff0c\u6309\u5e74\u4efd\u5206\u5272\u8cc7\u6599\u3002<\/p>\n<ul>\n<li><strong>\u512a\u9ede\uff1a<\/strong> \u4f9d\u5206\u5272\u9375\u904e\u6ffe\u7684\u67e5\u8a62\u50c5\u9700\u6383\u63cf\u4e00\u500b\u5340\u6bb5\u3002<\/li>\n<li><strong>\u7f3a\u9ede\uff1a<\/strong> \u7121\u6cd5\u4f7f\u7528\u5206\u5272\u9375\u7684\u67e5\u8a62\u9700\u6383\u63cf\u6240\u6709\u5340\u6bb5\uff08\u5168\u8868\u6383\u63cf\uff09\u3002<\/li>\n<\/ul>\n<h3>\u96dc\u6e4a\u5206\u5272<\/h3>\n<p>\u6b64\u65b9\u6cd5\u5229\u7528\u9375\u6b04\u4f4d\u4e0a\u7684\u96dc\u6e4a\u51fd\u6578\uff0c\u5c07\u8cc7\u6599\u5747\u52fb\u5206\u914d\u81f3\u5404\u5340\u6bb5\uff0c\u53ef\u907f\u514d\u71b1\u9ede\u554f\u984c\u3002<\/p>\n<ul>\n<li><strong>\u512a\u9ede\uff1a<\/strong> \u8cc7\u6599\u5206\u5e03\u5747\u52fb\u3002<\/li>\n<li><strong>\u7f3a\u9ede\uff1a<\/strong> \u7bc4\u570d\u67e5\u8a62\u8b8a\u5f97\u6602\u8cb4\u3002<\/li>\n<\/ul>\n<h3>\u6c34\u5e73\u5206\u7247\u8207\u5782\u76f4\u5206\u7247<\/h3>\n<p>\u5206\u7247\u900f\u904e\u5c07\u8cc7\u6599\u5206\u6563\u81f3\u591a\u500b\u8cc7\u6599\u5eab\u57f7\u884c\u500b\u9ad4\uff0c\u9032\u4e00\u6b65\u5ef6\u4f38\u4e86\u5206\u5272\u7684\u6982\u5ff5\u3002<\/p>\n<table border=\"1\" style=\"width:100%; border-collapse: collapse;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u7b56\u7565<\/th>\n<th>\u63cf\u8ff0<\/th>\n<th>\u6700\u4f73\u4f7f\u7528\u60c5\u5883<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6c34\u5e73\u5206\u7247<\/td>\n<td>\u6839\u64da\u95dc\u9375\u5b57\u5c07\u8cc7\u6599\u5217\u8de8\u8cc7\u6599\u5eab\u62c6\u5206\u3002<\/td>\n<td>\u9ad8\u5beb\u5165\u91cf\uff0c\u5927\u578b\u8cc7\u6599\u96c6\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5782\u76f4\u5206\u7247<\/td>\n<td>\u6839\u64da\u4f7f\u7528\u60c5\u6cc1\u5c07\u8cc7\u6599\u6b04\u8de8\u8cc7\u6599\u5eab\u62c6\u5206\u3002<\/td>\n<td>\u5927\u578b\u8cc7\u6599\u6b04\uff0c\u4e0d\u540c\u7684\u8b80\u53d6\u6a21\u5f0f\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u76ee\u9304\u5206\u7247<\/td>\n<td>\u4f7f\u7528\u67e5\u95b1\u8868\u4f86\u8def\u7531\u67e5\u8a62\u3002<\/td>\n<td>\u8907\u96dc\u7684\u8def\u7531\u908f\u8f2f\uff0c\u52d5\u614b\u64f4\u5c55\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5728\u672c\u6848\u4f8b\u7814\u7a76\u4e2d\uff0c\u6211\u5011\u6839\u64da\u4f7f\u7528\u8005ID\u5be6\u4f5c\u4e86\u6c34\u5e73\u5206\u7247\u3002\u9019\u4f7f\u6211\u5011\u80fd\u5920\u5c07\u8ca0\u8f09\u5206\u6563\u5230\u4e94\u500b\u7bc0\u9ede\u4e0a\u3002\u6bcf\u500b\u7bc0\u9ede\u8655\u7406\u5927\u7d0420%\u7684\u6d41\u91cf\u3002\u9019\u6e1b\u8f15\u4e86\u4efb\u4f55\u55ae\u4e00\u5132\u5b58\u5f15\u64ce\u7684\u8ca0\u8f09\u3002<\/p>\n<h2>\ud83d\ude80 \u7b2c\u56db\u968e\u6bb5\uff1a\u67e5\u8a62\u512a\u5316<\/h2>\n<p>\u5373\u4f7f\u64c1\u6709\u5b8c\u7f8e\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u4e0d\u826f\u7684\u67e5\u8a62\u4ecd\u6703\u6467\u6bc0\u6548\u80fd\u3002\u6700\u4f73\u5316\u5668\u9078\u64c7\u57f7\u884c\u8a08\u756b\uff0c\u4f60\u5fc5\u9808\u5f15\u5c0e\u5b83\u3002<\/p>\n<h3>\u907f\u514d\u5168\u8868\u6383\u63cf<\/h3>\n<p>\u52d9\u5fc5\u78ba\u4fdd\u67e5\u8a62\u4f7f\u7528\u7d22\u5f15\u3002\u5982\u679c\u6383\u63cf\u6574\u500b\u8cc7\u6599\u8868\uff0c\u64f4\u5c55\u6642\u5c07\u6703\u8d85\u6642\u3002\u6aa2\u67e5\u57f7\u884c\u8a08\u756b\uff0c\u5c0b\u627e\u300c\u7d22\u5f15\u6383\u63cf\u300d\u6216\u300c\u7d22\u5f15\u5c0b\u627e\u300d\uff0c\u800c\u975e\u300c\u8cc7\u6599\u8868\u6383\u63cf\u300d\u3002<\/p>\n<h3>\u9650\u5236\u7d50\u679c\u96c6<\/h3>\n<p>\u6c38\u9060\u4e0d\u8981\u53d6\u5f97\u6240\u6709\u8a18\u9304\u3002\u4f7f\u7528\u5206\u9801\u3002\u9650\u5236\u6bcf\u6b21\u8acb\u6c42\u8fd4\u56de\u7684\u8cc7\u6599\u5217\u6578\u91cf\u3002<\/p>\n<ul>\n<li><strong>\u504f\u79fb\u9650\u5236\uff1a<\/strong>\u6a19\u6e96\u5206\u9801\u3002\u5728\u6df1\u5c64\u504f\u79fb\u6642\u53ef\u80fd\u8f03\u6162\u3002<\/li>\n<li><strong>\u9375\u96c6\u5206\u9801\uff1a<\/strong>\u4f7f\u7528\u6700\u5f8c\u770b\u5230\u7684ID\u4f86\u53d6\u5f97\u4e0b\u4e00\u9801\uff0c\u901f\u5ea6\u5feb\u5f97\u591a\u3002<\/li>\n<\/ul>\n<h3>\u6279\u6b21\u64cd\u4f5c<\/h3>\n<p>\u4e0d\u8981\u5728\u55ae\u4e00\u4ea4\u6613\u4e2d\u57f7\u884c\u767e\u842c\u6b21\u66f4\u65b0\u3002\u61c9\u5c07\u5176\u62c6\u5206\u6210\u6279\u6b21\u3002<\/p>\n<ul>\n<li>\u6bcf\u8655\u74061,000\u7b46\u8a18\u9304\u5f8c\u63d0\u4ea4\u3002<\/li>\n<li>\u9019\u53ef\u6e1b\u5c11\u65e5\u8a8c\u6a94\u6848\u7684\u589e\u9577\u3002<\/li>\n<li>\u9019\u53ef\u9632\u6b62\u9577\u6642\u9593\u57f7\u884c\u7684\u9396\u5b9a\u3002<\/li>\n<\/ul>\n<h2>\u26a0\ufe0f \u61c9\u907f\u514d\u7684\u5e38\u898b\u9677\u9631<\/h2>\n<p>\u64f4\u5c55\u6703\u5e36\u4f86\u65b0\u7684\u98a8\u96aa\u3002\u8acb\u6ce8\u610f\u9019\u4e9b\u5e38\u898b\u932f\u8aa4\u3002<\/p>\n<ul>\n<li><strong>\u904e\u5ea6\u5efa\u7acb\u7d22\u5f15\uff1a<\/strong>\u7d22\u5f15\u904e\u591a\u6703\u6e1b\u6162\u5beb\u5165\u901f\u5ea6\u3002\u8acb\u76e3\u63a7\u5beb\u5165\u6548\u80fd\u3002<\/li>\n<li><strong>\u5ffd\u7565\u8cc7\u6599\u985e\u578b\uff1a<\/strong> \u4f7f\u7528<code>VARCHAR<\/code> \u7528\u65bc\u56fa\u5b9a\u9577\u5ea6\u7684 ID \u6703\u6d6a\u8cbb\u7a7a\u9593\u3002\u8acb\u4f7f\u7528 <code>INT<\/code> \u6216 <code>BIGINT<\/code>.<\/li>\n<li><strong>N+1 \u67e5\u8a62\uff1a<\/strong> \u5728\u8ff4\u5708\u4e2d\u7372\u53d6\u76f8\u95dc\u8cc7\u6599\u3002\u8acb\u4f7f\u7528\u9810\u52a0\u8f09\u6216\u6279\u6b21\u9023\u63a5\u3002<\/li>\n<li><strong>\u8edf\u522a\u9664\uff1a<\/strong> \u5c07\u8a18\u9304\u6a19\u8a18\u70ba\u5df2\u522a\u9664\u6703\u4f7f\u5176\u6c38\u9060\u4fdd\u7559\u5728\u8868\u683c\u4e2d\u3002\u8acb\u6b78\u6a94\u820a\u8cc7\u6599\u3002<\/li>\n<li><strong>\u9396\u5b9a\u7d50\u69cb\uff1a<\/strong> \u5728\u7cfb\u7d71\u904b\u884c\u6642\u66f4\u6539\u8868\u683c\u7d50\u69cb\u3002\u8acb\u4f7f\u7528\u7dda\u4e0a\u7d50\u69cb\u8b8a\u66f4\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udcca \u9700\u8ffd\u8e64\u7684\u6548\u80fd\u6307\u6a19<\/h2>\n<p>\u4f60\u7121\u6cd5\u6539\u5584\u4f60\u7121\u6cd5\u8861\u91cf\u7684\u4e8b\u7269\u3002\u5efa\u7acb\u57fa\u7dda\u3002\u6301\u7e8c\u76e3\u63a7\u9019\u4e9b\u6307\u6a19\u3002<\/p>\n<ul>\n<li><strong>\u6bcf\u79d2\u5217\u6578\uff1a<\/strong> \u8cc7\u6599\u5beb\u5165\u7684\u901f\u5ea6\u6709\u591a\u5feb\uff1f<\/li>\n<li><strong>\u6bcf\u79d2\u67e5\u8a62\u6b21\u6578\uff1a<\/strong> \u8b80\u53d6\u6d41\u91cf\u6709\u591a\u5927\uff1f<\/li>\n<li><strong>\u5feb\u53d6\u547d\u4e2d\u7387\uff1a<\/strong> \u8b80\u53d6\u64cd\u4f5c\u662f\u547d\u4e2d\u8a18\u61b6\u9ad4\u9084\u662f\u78c1\u789f\uff1f<\/li>\n<li><strong>\u9396\u7b49\u5f85\u6642\u9593\uff1a<\/strong> \u4ea4\u6613\u662f\u5426\u5728\u7b49\u5f85\u8cc7\u6e90\uff1f<\/li>\n<li><strong>\u78c1\u789f I\/O\uff1a<\/strong> \u5132\u5b58\u7a7a\u9593\u662f\u5426\u5df2\u98fd\u548c\uff1f<\/li>\n<\/ul>\n<h2>\ud83d\udd04 ERD \u7684\u6f14\u9032<\/h2>\n<p>\u5be6\u9ad4\u95dc\u4fc2\u5716\u4e26\u975e\u975c\u614b\u6587\u4ef6\u3002\u5b83\u662f\u4e00\u500b\u52d5\u614b\u7684\u85cd\u5716\u3002\u96a8\u8457\u7cfb\u7d71\u64f4\u5c55\uff0cERD \u4e5f\u6703\u6539\u8b8a\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u6211\u5011\u8cc7\u6599\u7d50\u69cb\u6f14\u9032\u7684\u904e\u7a0b\uff1a<\/p>\n<ol>\n<li><strong>\u7b2c\u4e00\u968e\u6bb5\uff08\u8d77\u59cb\uff09\uff1a<\/strong> \u5b8c\u5168\u898f\u7bc4\u5316\u30023NF\u3002\u55ae\u4e00\u8cc7\u6599\u5eab\u5be6\u4f8b\u300210\u842c\u7b46\u8a18\u9304\u3002<\/li>\n<li><strong>\u7b2c\u4e8c\u968e\u6bb5\uff08\u6210\u9577\uff09\uff1a<\/strong> 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