{"id":67,"date":"2026-04-05T17:57:19","date_gmt":"2026-04-05T17:57:19","guid":{"rendered":"https:\/\/www.we-notes.com\/tw\/er-diagram-production-load-failures\/"},"modified":"2026-04-05T17:57:19","modified_gmt":"2026-04-05T17:57:19","slug":"er-diagram-production-load-failures","status":"publish","type":"post","link":"https:\/\/www.we-notes.com\/tw\/er-diagram-production-load-failures\/","title":{"rendered":"\u6545\u969c\u6392\u9664\uff1a\u8a3a\u65b7\u60a8\u7684ER\u5716\u5728\u751f\u7522\u8ca0\u8f09\u4e0b\u5931\u6557\u7684\u539f\u56e0"},"content":{"rendered":"<p>\u7576\u4e00\u500b\u5728\u7d19\u4e0a\u8a2d\u8a08\u7684\u8cc7\u6599\u5eab\u67b6\u69cb\u5728\u6c99\u76d2\u74b0\u5883\u4e2d\u8868\u73fe\u5b8c\u7f8e\uff0c\u537b\u5728\u771f\u5be6\u4e16\u754c\u6d41\u91cf\u4e0b\u5d29\u6f70\u6642\uff0c\u554f\u984c\u901a\u5e38\u51fa\u5728\u8996\u89ba\u6a21\u578b\u8207\u57f7\u884c\u6642\u73fe\u5be6\u4e4b\u9593\u7684\u843d\u5dee\u3002\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u50c5\u662f\u85cd\u5716\uff0c\u800c\u975e\u6d3b\u8e8d\u7684\u5f15\u64ce\u3002\u7136\u800c\uff0c\u7576\u958b\u767c\u4eba\u54e1\u63d0\u5230\u300cERD\u5728\u8ca0\u8f09\u4e0b\u5931\u6557\u300d\u6642\uff0c\u4ed6\u5011\u901a\u5e38\u6307\u7684\u662f\u5f9e\u8a72\u5716\u884d\u751f\u51fa\u7684\u8cc7\u6599\u7d50\u69cb\u8a2d\u8a08\u7121\u6cd5\u627f\u53d7\u751f\u7522\u74b0\u5883\u7684\u9700\u6c42\u3002\u672c\u6307\u5357\u63a2\u8a0e\u5c0e\u81f4\u95dc\u806f\u6a21\u578b\u5728\u8cc7\u6599\u91cf\u8207\u4e26\u767c\u6027\u6025\u5287\u4e0a\u5347\u6642\u9677\u5165\u56f0\u5883\u7684\u7d50\u69cb\u6027\u3001\u908f\u8f2f\u6027\u8207\u6548\u80fd\u74f6\u9838\u3002<\/p>\n<p>\u8a3a\u65b7\u9019\u4e9b\u554f\u984c\u9700\u8981\u6df1\u5165\u7406\u89e3\u8cc7\u6599\u95dc\u4fc2\u5982\u4f55\u8f49\u5316\u70baI\/O\u64cd\u4f5c\u3001\u9396\u7af6\u722d\u8207\u8a18\u61b6\u9ad4\u4f7f\u7528\u3002\u6211\u5011\u5c07\u63a2\u8a0e\u8a2d\u8a08\u6c7a\u7b56\u8207\u786c\u9ad4\u9650\u5236\u53ca\u6d41\u91cf\u6a21\u5f0f\u885d\u7a81\u7684\u6469\u64e6\u9ede\u3002\u900f\u904e\u8b58\u5225\u7d50\u69cb\u6027\u5931\u6557\u7684\u5177\u9ad4\u75c7\u72c0\uff0c\u60a8\u53ef\u91cd\u69cb\u8cc7\u6599\u6a21\u578b\uff0c\u4ee5\u652f\u63f4\u64f4\u5c55\u6027\uff0c\u540c\u6642\u4e0d\u640d\u5bb3\u8cc7\u6599\u5b8c\u6574\u6027\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Infographic guide showing how to diagnose and fix ER diagram performance issues under production load, covering structural bottlenecks, concurrency locking, diagnostic workflows, and schema optimization strategies with pastel flat design icons and checklists\" decoding=\"async\" src=\"https:\/\/www.we-notes.com\/wp-content\/uploads\/2026\/04\/er-diagram-production-load-troubleshooting-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>1. \u975c\u614b\u8a2d\u8a08\u8207\u52d5\u614b\u8ca0\u8f09\u4e4b\u9593\u7684\u5dee\u8ddd \u26a1<\/h2>\n<p>ER\u5716\u4ee3\u8868\u6f5b\u5728\u7684\u95dc\u4fc2\u8207\u8cc7\u6599\u985e\u578b\uff0c\u537b\u672a\u8003\u616e\u5beb\u5165\u901f\u5ea6\u3001\u8b80\u53d6\u5206\u4f48\uff0c\u4ee5\u53ca\u5e95\u5c64\u5f15\u64ce\u7684\u7269\u7406\u5132\u5b58\u9650\u5236\u3002\u4e00\u500b\u5728\u767d\u677f\u4e0a\u770b\u4f3c\u5e73\u8861\u7684\u6a21\u578b\uff0c\u5f80\u5f80\u96b1\u85cf\u8457\u53ea\u6709\u5728\u6578\u767e\u842c\u5217\u540c\u6642\u88ab\u67e5\u8a62\u6642\u624d\u6703\u986f\u73fe\u7684\u6548\u7387\u554f\u984c\u3002<\/p>\n<ul>\n<li><strong>\u7406\u8ad6\u8207\u5be6\u969b\u7684\u57fa\u6578\uff1a<\/strong>\u5716\u8868\u5047\u8a2d\u70ba\u4e00\u5c0d\u4e00\u6216\u4e00\u5c0d\u591a\u95dc\u4fc2\u3002\u4f46\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u9019\u4e9b\u95dc\u4fc2\u5e38\u8f49\u8b8a\u70ba\u591a\u5c0d\u591a\uff0c\u4e26\u4f34\u96a8\u8907\u96dc\u7684\u9023\u63a5\u8def\u5f91\uff0c\u8017\u76e1CPU\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u67e5\u8a62\u901f\u5ea6\uff1a<\/strong>\u8cc7\u6599\u7d50\u69cb\u53ef\u80fd\u6bcf\u79d2\u8655\u7406\u6578\u5343\u6b21\u8b80\u53d6\uff0c\u537b\u56e0\u9396\u7c92\u5ea6\u554f\u984c\uff0c\u5728\u6bcf\u6beb\u79d2\u6578\u5343\u6b21\u8b80\u53d6\u6642\u7671\u7613\u3002<\/li>\n<li><strong>\u8cc7\u6599\u5206\u4f48\uff1a<\/strong>\u7576\u8cc7\u6599\u672a\u5728\u5132\u5b58\u7bc0\u9ede\u9593\u5747\u52fb\u5206\u4f48\u6642\uff0c\u6703\u7522\u751f\u71b1\u9ede\uff0c\u5c0e\u81f4\u8ca0\u8f09\u5e73\u8861\u4e0d\u5747\u3002<\/li>\n<\/ul>\n<p>\u8981\u6709\u6548\u8a3a\u65b7\uff0c\u60a8\u5fc5\u9808\u505c\u6b62\u5c07\u8cc7\u6599\u7d50\u69cb\u8996\u70ba\u975c\u614b\u8cc7\u7522\u3002\u5b83\u662f\u4e00\u9805\u52d5\u614b\u8cc7\u6e90\uff0c\u5fc5\u9808\u50cf\u76e3\u63a7\u4f3a\u670d\u5668\u672c\u8eab\u4e00\u6a23\u5bc6\u5207\u76e3\u63a7\u3002<\/p>\n<h2>2. \u5e38\u898b\u7684\u7d50\u69cb\u6027\u74f6\u9838 \ud83d\udcc9<\/h2>\n<p>\u6548\u80fd\u9000\u5316\u7684\u6700\u5e38\u898b\u539f\u56e0\u662f\u95dc\u4fc2\u7d50\u69cb\u672c\u8eab\u3002\u8868\u683c\u4e4b\u9593\u7684\u9023\u63a5\u65b9\u5f0f\u6c7a\u5b9a\u4e86\u5f15\u64ce\u5982\u4f55\u904d\u6b77\u8cc7\u6599\u3002\u8907\u96dc\u7684\u9023\u63a5\u662f\u67e5\u8a62\u57f7\u884c\u6642\u9593\u8b8a\u6162\u7684\u4e3b\u8981\u539f\u56e0\u3002<\/p>\n<h3>2.1 \u904e\u5ea6\u898f\u7bc4\u5316\u7684\u98a8\u96aa<\/h3>\n<p>\u96d6\u7136\u898f\u7bc4\u5316\u80fd\u6e1b\u5c11\u5197\u9918\uff0c\u4f46\u904e\u5ea6\u898f\u7bc4\u5316\u6703\u589e\u52a0\u53d6\u5f97\u55ae\u4e00\u8cc7\u6599\u96c6\u6240\u9700\u7684\u9023\u63a5\u6b21\u6578\u3002\u5728\u9ad8\u8ca0\u8f09\u60c5\u5883\u4e0b\uff0c\u6bcf\u4e00\u6b21\u9023\u63a5\u90fd\u53ef\u80fd\u662f\u5931\u6557\u7684\u6f5b\u5728\u9ede\u3002<\/p>\n<ul>\n<li><strong>\u9023\u63a5\u958b\u92b7\uff1a<\/strong>\u6bcf\u6b21\u9023\u63a5\u64cd\u4f5c\u90fd\u8981\u6c42\u8cc7\u6599\u5eab\u6bd4\u5c0d\u5169\u500b\u8868\u683c\u7684\u8cc7\u6599\u5217\u3002\u82e5\u9019\u4e9b\u8868\u683c\u9f90\u5927\u4e14\u7f3a\u4e4f\u9069\u7576\u7d22\u5f15\uff0c\u5f15\u64ce\u5c07\u57f7\u884c\u5168\u8868\u6383\u63cf\u3002<\/li>\n<li><strong>\u4ea4\u6613\u6df1\u5ea6\uff1a<\/strong>\u9ad8\u5ea6\u898f\u7bc4\u5316\u7684\u7d50\u69cb\u901a\u5e38\u9700\u8981\u9577\u6642\u9593\u57f7\u884c\u7684\u4ea4\u6613\u4f86\u53d6\u5f97\u76f8\u95dc\u8cc7\u6599\uff0c\u5c0e\u81f4\u9396\u5b9a\u9577\u6642\u9593\u6301\u6709\u3002<\/li>\n<li><strong>\u5feb\u53d6\u6548\u7387\uff1a<\/strong>\u898f\u7bc4\u5316\u8cc7\u6599\u5206\u6563\u5728\u591a\u500b\u9801\u9762\u4e2d\uff0c\u964d\u4f4e\u4e86\u7de9\u885d\u6c60\u5feb\u53d6\u7684\u6548\u7387\u3002<\/li>\n<\/ul>\n<h3>2.2 \u7d22\u5f15\u4e0d\u8db3\u8207\u5b58\u53d6\u8def\u5f91<\/h3>\n<p>\u4e00\u500b\u7d50\u69cb\u826f\u597d\u7684ERD\u6697\u793a\u4e86\u5b58\u53d6\u6a21\u5f0f\u3002\u82e5\u5716\u8868\u8207\u5be6\u969b\u67e5\u8a62\u8ca0\u8f09\u4e0d\u7b26\uff0c\u8cc7\u6599\u5eab\u5f15\u64ce\u5c07\u7121\u6cd5\u627e\u5230\u901a\u5f80\u8cc7\u6599\u7684\u6700\u5feb\u8def\u5f91\u3002<\/p>\n<ul>\n<li><strong>\u5916\u9375\u7d22\u5f15\uff1a<\/strong>\u5916\u9375\u5e38\u7f3a\u4e4f\u7d22\u5f15\uff0c\u5c0e\u81f4\u5728\u522a\u9664\u6216\u66f4\u65b0\u7236\u8a18\u9304\u6642\u6548\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u8907\u5408\u9375\u9806\u5e8f\uff1a<\/strong>\u8907\u5408\u7d22\u5f15\u4e2d\u6b04\u4f4d\u7684\u9806\u5e8f\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u67e5\u8a62\u9996\u5148\u904e\u6ffe\u7b2c\u4e8c\u500b\u6b04\u4f4d\uff0c\u7d22\u5f15\u53ef\u80fd\u88ab\u5ffd\u7565\u3002<\/li>\n<li><strong>\u907a\u6f0f\u9078\u64c7\u6027\u7d22\u5f15\uff1a<\/strong>\u82e5\u9ad8\u57fa\u6578\u6b04\u4f4d\u7f3a\u4e4f\u7d22\u5f15\uff0c\u5f15\u64ce\u5c07\u6383\u63cf\u6574\u500b\u8868\u683c\u4ee5\u5c0b\u627e\u7279\u5b9a\u503c\u3002<\/li>\n<\/ul>\n<h2>3. \u4e26\u767c\u8207\u9396\u5b9a\u6a5f\u5236 \ud83d\udd12<\/h2>\n<p>\u7576\u8ca0\u8f09\u589e\u52a0\u6642\uff0c\u4e26\u767c\u6210\u70ba\u4e3b\u8981\u9650\u5236\u56e0\u7d20\u3002\u591a\u540d\u4f7f\u7528\u8005\u8a66\u5716\u4fee\u6539\u76f8\u540c\u8cc7\u6599\u6703\u7522\u751f\u7af6\u722d\u3002\u5982\u679c\u8cc7\u6599\u7d50\u69cb\u8a2d\u8a08\u672a\u8003\u616e\u9396\u5b9a\u7684\u7d30\u7c92\u5ea6\uff0c\u7cfb\u7d71\u5c07\u767c\u751f\u6b7b\u9396\u6216\u903e\u6642\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u9396\u985e\u578b<\/th>\n<th>\u5c0d\u8ca0\u8f09\u7684\u5f71\u97ff<\/th>\n<th>\u5178\u578b\u75c7\u72c0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u884c\u7d1a\u9396<\/td>\n<td>\u5f71\u97ff\u6700\u5c0f\uff0c\u4e26\u767c\u5ea6\u9ad8<\/td>\n<td>\u4f4e\u5ef6\u9072\uff0c\u9ad8\u541e\u5410\u91cf<\/td>\n<\/tr>\n<tr>\n<td>\u8868\u7d1a\u9396<\/td>\n<td>\u5f71\u97ff\u9ad8\uff0c\u963b\u64cb\u5176\u4ed6\u4f7f\u7528\u8005<\/td>\n<td>\u903e\u6642\u932f\u8aa4\uff0c\u639b\u8d77\u7684\u67e5\u8a62<\/td>\n<\/tr>\n<tr>\n<td>\u7d50\u69cb\u9396<\/td>\n<td>\u5728 DDL \u6642\u963b\u64cb\u6240\u6709\u5b58\u53d6<\/td>\n<td>\u7dad\u8b77\u671f\u9593\u7cfb\u7d71\u5168\u9762\u4e2d\u65b7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>3.1 \u6b7b\u9396\u8207\u7af6\u722d\u689d\u4ef6<\/h3>\n<p>\u7576\u5169\u500b\u4ea4\u6613\u4e92\u76f8\u7b49\u5f85\u5c0d\u65b9\u91cb\u653e\u8cc7\u6e90\u6642\uff0c\u5c31\u6703\u767c\u751f\u6b7b\u9396\u3002\u9019\u901a\u5e38\u662f\u56e0\u70ba\u61c9\u7528\u7a0b\u5f0f\u908f\u8f2f\u8207\u8cc7\u6599\u7d50\u69cb\u4e92\u52d5\u6642\uff0c\u9396\u5b9a\u9806\u5e8f\u4e0d\u4e00\u81f4\u6240\u5c0e\u81f4\u3002<\/p>\n<ul>\n<li><strong>\u4ea4\u6613\u9694\u96e2\u5c64\u7d1a\uff1a<\/strong> \u66f4\u9ad8\u7684\u9694\u96e2\u5c64\u7d1a\uff08\u4f8b\u5982\u53ef\u4e32\u884c\u5316\uff09\u96d6\u80fd\u63d0\u4f9b\u5b89\u5168\u6027\uff0c\u4f46\u6703\u5927\u5e45\u964d\u4f4e\u4e26\u767c\u5ea6\u3002<\/li>\n<li><strong>\u9396\u5347\u7d1a\uff1a<\/strong> \u5982\u679c\u4e00\u500b\u4ea4\u6613\u9396\u5b9a\u4e86\u592a\u591a\u884c\uff0c\u5f15\u64ce\u53ef\u80fd\u6703\u5347\u7d1a\u70ba\u8868\u9396\uff0c\u963b\u64cb\u6240\u6709\u5176\u4ed6\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u9577\u6642\u9593\u4ea4\u6613\uff1a<\/strong> \u6301\u6709\u9396\u9577\u9054\u6578\u79d2\u800c\u975e\u6beb\u79d2\u7684\u64cd\u4f5c\uff0c\u6703\u9020\u6210\u6574\u500b\u4f47\u5217\u7684\u74f6\u9838\u3002<\/li>\n<\/ul>\n<h2>4. \u8cc7\u6599\u91cf\u8207\u5206\u5272\u7b56\u7565 \ud83d\udcca<\/h2>\n<p>\u96a8\u8457\u8cc7\u6599\u91cf\u589e\u52a0\uff0c\u5132\u5b58\u5c64\u7684\u7269\u7406\u9650\u5236\u8b8a\u5f97\u660e\u986f\u3002\u4e00\u500b\u5c0d 1 \u842c\u7b46\u8cc7\u6599\u6709\u6548\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u53ef\u80fd\u5728\u9762\u5c0d 1 \u5104\u7b46\u8cc7\u6599\u6642 catastrophic \u5931\u6557\u3002\u5206\u5272\u662f\u5c07\u5927\u578b\u8868\u683c\u62c6\u5206\u6210\u8f03\u5c0f\u3001\u53ef\u7ba1\u7406\u7684\u7247\u6bb5\u7684\u65b9\u6cd5\u3002<\/p>\n<ul>\n<li><strong>\u5782\u76f4\u5206\u5272\uff1a<\/strong> \u5c07\u5f88\u5c11\u88ab\u5b58\u53d6\u7684\u6b04\u4f4d\u79fb\u81f3\u7368\u7acb\u7684\u8868\u683c\uff0c\u53ef\u6e1b\u5c11\u4e3b\u8868\u683c\u7684\u5927\u5c0f\uff0c\u63d0\u5347\u71b1\u8cc7\u6599\u7684\u5feb\u53d6\u547d\u4e2d\u7387\u3002<\/li>\n<li><strong>\u6c34\u5e73\u5206\u5272\uff1a<\/strong> \u5c07\u8cc7\u6599\u884c\u5206\u6563\u5230\u591a\u500b\u7269\u7406\u5340\u6bb5\uff08\u5206\u7247\uff09\uff0c\u53ef\u5c07\u8ca0\u8f09\u5206\u6563\u81f3\u591a\u500b\u5132\u5b58\u7bc0\u9ede\u3002<\/li>\n<li><strong>\u57fa\u65bc\u6642\u9593\u7684\u5206\u5272\uff1a<\/strong> \u5c0d\u4ea4\u6613\u8cc7\u6599\u800c\u8a00\uff0c\u6309\u65e5\u671f\u9032\u884c\u5206\u5272\u53ef\u8b93\u5f15\u64ce\u7acb\u5373\u522a\u9664\u820a\u7684\u5206\u5272\u5340\uff0c\u800c\u7121\u9700\u9396\u5b9a\u6574\u500b\u8868\u683c\u3002<\/li>\n<\/ul>\n<h2>5. \u7522\u7dda\u6545\u969c\u8a3a\u65b7\u6d41\u7a0b \ud83d\udd0d<\/h2>\n<p>\u7576\u7cfb\u7d71\u8b8a\u6162\u6642\uff0c\u4f60\u9700\u8981\u63a1\u53d6\u7cfb\u7d71\u6027\u7684\u65b9\u6cd5\u4f86\u627e\u51fa\u6839\u672c\u539f\u56e0\u3002\u96a8\u6a5f\u512a\u5316\u901a\u5e38\u6703\u6d6a\u8cbb\u8cc7\u6e90\u3002\u9075\u5faa\u6b64\u5de5\u4f5c\u6d41\u7a0b\uff0c\u4ee5\u7cbe\u78ba\u5b9a\u4f4d\u554f\u984c\u3002<\/p>\n<h3>5.1 \u5206\u6790\u67e5\u8a62\u57f7\u884c\u8a08\u756b<\/h3>\n<p>\u57f7\u884c\u8a08\u756b\u63ed\u793a\u4e86\u8cc7\u6599\u5eab\u5f15\u64ce\u6253\u7b97\u5982\u4f55\u53d6\u5f97\u8cc7\u6599\u3002\u8acb\u5c0b\u627e\u6548\u7387\u4f4e\u4e0b\u7684\u5177\u9ad4\u6307\u6a19\u3002<\/p>\n<ul>\n<li><strong>\u5b8c\u6574\u8cc7\u6599\u8868\u6383\u63cf\uff1a<\/strong>\u8868\u793a\u7f3a\u5c11\u7d22\u5f15\uff0c\u6216\u67e5\u8a62\u8acb\u6c42\u7684\u8cc7\u6599\u904e\u591a\u3002<\/li>\n<li><strong>\u7d22\u5f15\u67e5\u627e\uff1a<\/strong>\u8868\u793a\u5f15\u64ce\u5fc5\u9808\u53cd\u8986\u5728\u7d22\u5f15\u8207\u8cc7\u6599\u8868\u8cc7\u6599\u4e4b\u9593\u8df3\u8f49\uff0c\u589e\u52a0 I\/O \u8ca0\u64d4\u3002<\/li>\n<li><strong>\u6392\u5e8f\u4f5c\u696d\uff1a<\/strong>\u5c0d\u5927\u578b\u7d50\u679c\u96c6\u9032\u884c\u6392\u5e8f\u6703\u6d88\u8017\u5927\u91cf\u8a18\u61b6\u9ad4\u8207 CPU\u3002<\/li>\n<\/ul>\n<h3>5.2 \u76e3\u63a7\u9396\u7af6\u722d<\/h3>\n<p>\u4f7f\u7528\u7cfb\u7d71\u5de5\u5177\u76e3\u63a7\u7b49\u5f85\u4e8b\u4ef6\u3002\u9396\u4e0a\u7b49\u5f85\u6642\u9593\u904e\u9577\uff0c\u8868\u793a\u8cc7\u6599\u7d50\u69cb\u7121\u6cd5\u652f\u63f4\u76ee\u524d\u7684\u4f75\u767c\u5c64\u7d1a\u3002<\/p>\n<ul>\n<li><strong>\u7b49\u5f85\u6642\u9593\u6307\u6a19\uff1a<\/strong>\u8ffd\u8e64\u4ea4\u6613\u7b49\u5f85\u8cc7\u6e90\u7684\u6642\u9593\u9577\u5ea6\u3002<\/li>\n<li><strong>\u6b7b\u9396\u5716\u5f62\uff1a<\/strong>\u6aa2\u8996\u6b77\u53f2\u8cc7\u6599\uff0c\u4ee5\u78ba\u8a8d\u662f\u54ea\u4e9b\u67e5\u8a62\u5c0e\u81f4\u885d\u7a81\u3002<\/li>\n<li><strong>\u9396\u7b49\u5f85\u4f47\u5217\uff1a<\/strong>\u76e3\u63a7\u7b49\u5f85\u76f8\u540c\u8cc7\u6e90\u7684\u4ea4\u6613\u6578\u91cf\u3002<\/li>\n<\/ul>\n<h3>5.3 \u6aa2\u67e5 I\/O \u5b50\u7cfb\u7d71\u5065\u5eb7\u72c0\u614b<\/h3>\n<p>\u5373\u4f7f\u8cc7\u6599\u7d50\u69cb\u5b8c\u7f8e\uff0c\u7de9\u6162\u7684\u5132\u5b58\u8a2d\u5099\u4ecd\u6703\u5c0e\u81f4\u5931\u6557\u3002\u78ba\u4fdd\u5e95\u5c64\u57fa\u790e\u8a2d\u65bd\u7b26\u5408\u8cc7\u6599\u5b58\u53d6\u6a21\u5f0f\u3002<\/p>\n<ul>\n<li><strong>\u541e\u5410\u91cf\u9650\u5236\uff1a<\/strong>\u6aa2\u67e5\u5132\u5b58\u88dd\u7f6e\u662f\u5426\u56e0\u8b80\u5beb\u4f5c\u696d\u800c\u9054\u5230\u98fd\u548c\u72c0\u614b\u3002<\/li>\n<li><strong>\u5ef6\u9072\u6ce2\u5cf0\uff1a<\/strong>\u5132\u5b58\u5c64\u6b21\u56de\u61c9\u6642\u9593\u4e0d\u4e00\u81f4\uff0c\u901a\u5e38\u8868\u793a\u786c\u9ad4\u5df2\u9000\u5316\u3002<\/li>\n<li><strong>\u7de9\u885d\u6c60\u6548\u7387\uff1a<\/strong>\u5982\u679c\u8cc7\u6599\u5eab\u82b1\u8cbb\u5728\u78c1\u789f\u8b80\u53d6\u7684\u6642\u9593\u591a\u65bc\u8a18\u61b6\u9ad4\u8b80\u53d6\uff0c\u8868\u793a\u8cc7\u6599\u7d50\u69cb\u6216\u8cc7\u6599\u91cf\u904e\u5927\uff0c\u8d85\u51fa\u5feb\u53d6\u5bb9\u91cf\u3002<\/li>\n<\/ul>\n<h2>6. \u8cc7\u6599\u7d50\u69cb\u512a\u5316\u4e4b\u4fee\u5fa9\u7b56\u7565 \ud83d\udee0\ufe0f<\/h2>\n<p>\u4e00\u65e6\u627e\u51fa\u74f6\u9838\uff0c\u4fbf\u61c9\u5be6\u65bd\u91dd\u5c0d\u6027\u7684\u4fee\u6539\u3002\u91cd\u69cb\u751f\u7522\u74b0\u5883\u7684\u8cc7\u6599\u7d50\u69cb\u9700\u8b39\u614e\uff0c\u4ee5\u514d\u9020\u6210\u8cc7\u6599\u907a\u5931\u6216\u7cfb\u7d71\u505c\u6a5f\u3002<\/p>\n<h3>6.1 \u6e1b\u5c11 JOIN \u8907\u96dc\u5ea6<\/h3>\n<p>\u7c21\u5316\u9020\u6210\u6700\u591a\u6469\u64e6\u7684\u95dc\u4fc2\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5c0d\u6a21\u578b\u7684\u7279\u5b9a\u5340\u57df\u9032\u884c\u53cd\u898f\u7bc4\u5316\u3002<\/p>\n<ul>\n<li><strong>\u7269\u5316\u8996\u5716\uff1a<\/strong>\u9810\u5148\u8a08\u7b97\u8907\u96dc\u7684\u9023\u63a5\u4e26\u5c07\u7d50\u679c\u5b58\u5132\u5728\u53e6\u4e00\u500b\u8cc7\u6599\u8868\u4e2d\uff0c\u4ee5\u5be6\u73fe\u5feb\u901f\u6aa2\u7d22\u3002<\/li>\n<li><strong>\u8a08\u7b97\u6b04\u4f4d\uff1a<\/strong>\u5c07\u884d\u751f\u8cc7\u6599\u76f4\u63a5\u5b58\u5132\u5728\u8cc7\u6599\u8868\u4e2d\uff0c\u4ee5\u907f\u514d\u67e5\u8a62\u6642\u9032\u884c\u8a08\u7b97\u3002<\/li>\n<li><strong>\u8b80\u53d6\u8907\u672c\u8def\u7531\uff1a<\/strong>\u5c07\u8b80\u53d6\u5bc6\u96c6\u578b\u67e5\u8a62\u767c\u9001\u5230\u6301\u6709\u8cc7\u6599\u975e\u898f\u7bc4\u5316\u526f\u672c\u7684\u8907\u672c\u4e0a\u3002<\/li>\n<\/ul>\n<h3>6.2 \u512a\u5316\u7d22\u5f15\u7b56\u7565<\/h3>\n<p>\u7d22\u5f15\u662f\u52a0\u901f\u67e5\u627e\u6700\u6709\u6548\u7684\u5de5\u5177\uff0c\u4f46\u6703\u5c0d\u5beb\u5165\u64cd\u4f5c\u7522\u751f\u6210\u672c\u3002<\/p>\n<ul>\n<li><strong>\u904e\u6ffe\u7d22\u5f15\uff1a<\/strong>\u50c5\u91dd\u5c0d\u7d93\u5e38\u67e5\u8a62\u7684\u8cc7\u6599\u5b50\u96c6\u5efa\u7acb\u7d22\u5f15\u3002<\/li>\n<li><strong>\u8986\u84cb\u7d22\u5f15\uff1a<\/strong>\u5c07\u67e5\u8a62\u6240\u9700\u7684\u5168\u90e8\u6b04\u4f4d\u5305\u542b\u5728\u7d22\u5f15\u4e2d\uff0c\u4ee5\u907f\u514d\u8a2a\u554f\u4e3b\u8cc7\u6599\u8868\u3002<\/li>\n<li><strong>\u7d22\u5f15\u7dad\u8b77\uff1a<\/strong>\u5b9a\u671f\u91cd\u5efa\u6216\u91cd\u7d44\u7d22\u5f15\uff0c\u4ee5\u9632\u6b62\u983b\u7e41\u66f4\u65b0\u9020\u6210\u7684\u788e\u7247\u5316\u3002<\/li>\n<\/ul>\n<h3>6.3 \u5be6\u65bd\u8edf\u522a\u9664\u8207\u6b78\u6a94<\/h3>\n<p>\u6d3b\u8e8d\u8cc7\u6599\u6bd4\u6b77\u53f2\u8cc7\u6599\u67e5\u8a62\u66f4\u5feb\u3002\u5c07\u820a\u8cc7\u6599\u79fb\u51fa\u4e3b\u8cc7\u6599\u8868\u53ef\u63d0\u5347\u6548\u80fd\u3002<\/p>\n<ul>\n<li><strong>\u6b78\u6a94\u8cc7\u6599\u8868\uff1a<\/strong>\u5c07\u8d85\u904e\u7279\u5b9a\u95be\u503c\u7684\u8a18\u9304\u79fb\u81f3\u7368\u7acb\u7684\u3001\u8f03\u51b7\u7684\u5132\u5b58\u5c64\u3002<\/li>\n<li><strong>\u8edf\u522a\u9664\uff1a<\/strong>\u6a19\u8a18\u8a18\u9304\u70ba\u5df2\u522a\u9664\u4f46\u4e0d\u79fb\u9664\uff0c\u4fdd\u6301\u8cc7\u6599\u8868\u7d50\u69cb\u7a69\u5b9a\uff0c\u540c\u6642\u5728\u908f\u8f2f\u4e0a\u96b1\u85cf\u8cc7\u6599\u3002<\/li>\n<li><strong>\u8cc7\u6599\u4fdd\u7559\u7b56\u7565\uff1a<\/strong>\u81ea\u52d5\u6e05\u9664\u4e0d\u5fc5\u8981\u7684\u8cc7\u6599\uff0c\u4ee5\u9632\u6b62\u8cc7\u6599\u7121\u63a7\u589e\u9577\u3002<\/li>\n<\/ul>\n<h2>7. \u8cc7\u6599\u7d50\u69cb\u5065\u5eb7\u8a55\u4f30\u6e05\u55ae \u2705<\/h2>\n<p>\u5728\u90e8\u7f72\u8b8a\u66f4\u524d\uff0c\u8acb\u6839\u64da\u9019\u4e9b\u6a19\u6e96\u9a57\u8b49\u60a8\u7684\u6a21\u578b\uff0c\u4ee5\u78ba\u4fdd\u5176\u80fd\u627f\u53d7\u751f\u7522\u74b0\u5883\u7684\u58d3\u529b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6a19\u6e96<\/th>\n<th>\u901a\u904e\u689d\u4ef6<\/th>\n<th>\u5931\u6557\u689d\u4ef6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5e73\u5747\u67e5\u8a62\u6642\u9593<\/td>\n<td>\u5c0f\u65bc 50 \u6beb\u79d2<\/td>\n<td>\u5927\u65bc 500 \u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>\u9396\u7b49\u5f85\u6642\u9593<\/td>\n<td>&lt; 10\u6beb\u79d2<\/td>\n<td>&gt; 100\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td>\u7d22\u5f15\u4f7f\u7528\u7387<\/td>\n<td>&gt; 90%<\/td>\n<td>&lt; 50%<\/td>\n<\/tr>\n<tr>\n<td>\u5168\u8868\u6383\u63cf<\/td>\n<td>\u96f6<\/td>\n<td>\u983b\u7e41<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5b9a\u671f\u6839\u64da\u9019\u4e9b\u6307\u6a19\u5be9\u8a08\u60a8\u7684\u8cc7\u6599\u6a21\u578b\uff0c\u53ef\u78ba\u4fdd\u8a2d\u8a08\u96a8\u8457\u696d\u52d9\u9700\u6c42\u540c\u6b65\u6f14\u9032\u3002\u975c\u614b\u7684\u8cc7\u6599\u7d50\u69cb\u6700\u7d42\u6703\u6210\u70ba\u8ca0\u64d4\u3002\u6301\u7e8c\u76e3\u63a7\u8207\u9010\u6b65\u8abf\u6574\uff0c\u662f\u7dad\u6301\u53ef\u9760\u6027\u7684\u552f\u4e00\u9014\u5f91\u3002<\/p>\n<h2>8. \u7406\u89e3\u67e5\u8a62\u6a21\u5f0f\u8207\u5de5\u4f5c\u8ca0\u8f09 \ud83d\udcc8<\/h2>\n<p>\u6548\u80fd\u4e0d\u50c5\u50c5\u53d6\u6c7a\u65bc\u8cc7\u6599\u7d50\u69cb\uff1b\u66f4\u5728\u65bc\u8a72\u7d50\u69cb\u5982\u4f55\u88ab\u4f7f\u7528\u3002\u7406\u89e3\u5de5\u4f5c\u8ca0\u8f09\u7684\u7279\u5fb5\uff0c\u5c0d\u65bc\u512a\u5316\u6a21\u578b\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>OLTP \u8207 OLAP\uff1a<\/strong>\u7dda\u4e0a\u4ea4\u6613\u8655\u7406\uff08OLTP\uff09\u9700\u8981\u5feb\u901f\u4e14\u5c0f\u91cf\u7684\u5beb\u5165\u3002\u7dda\u4e0a\u5206\u6790\u8655\u7406\uff08OLAP\uff09\u9700\u8981\u5feb\u901f\u4e14\u5927\u91cf\u8b80\u53d6\u3002\u91dd\u5c0d\u5176\u4e2d\u4e00\u7a2e\u512a\u5316\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u901a\u5e38\u5728\u53e6\u4e00\u7a2e\u60c5\u5883\u4e0b\u6703\u9047\u5230\u56f0\u96e3\u3002<\/li>\n<li><strong>\u5beb\u5165\u5bc6\u96c6\u578b\u6a21\u5f0f\uff1a<\/strong> \u5982\u679c\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\u7d93\u5e38\u5beb\u5165\uff0c\u61c9\u512a\u5148\u8003\u616e\u7d22\u5f15\u6548\u7387\uff0c\u4e26\u76e1\u91cf\u6e1b\u5c11\u5beb\u5165\u6642\u7684\u9396\u5b9a\u3002<\/li>\n<li><strong>\u8b80\u53d6\u5bc6\u96c6\u578b\u6a21\u5f0f\uff1a<\/strong> \u5982\u679c\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\u7d93\u5e38\u8b80\u53d6\uff0c\u61c9\u512a\u5148\u8003\u616e\u5feb\u53d6\u7b56\u7565\u8207\u8b80\u53d6\u8907\u672c\u3002<\/li>\n<\/ul>\n<h2>9. \u61c9\u7528\u7a0b\u5f0f\u908f\u8f2f\u5728\u8cc7\u6599\u5eab\u6548\u80fd\u4e2d\u7684\u89d2\u8272 \ud83d\udcbb<\/h2>\n<p>\u901a\u5e38\u554f\u984c\u4e0d\u5728\u8cc7\u6599\u5eab\u672c\u8eab\uff0c\u800c\u5728\u61c9\u7528\u7a0b\u5f0f\u8207\u8cc7\u6599\u5eab\u7684\u4e92\u52d5\u65b9\u5f0f\u3002N+1 \u67e5\u8a62\u554f\u984c\u662f\u61c9\u7528\u5c64\u6548\u7387\u4f4e\u4e0b\u7684\u7d93\u5178\u7bc4\u4f8b\uff0c\u6703\u8868\u73fe\u70ba\u8cc7\u6599\u5eab\u5931\u6557\u3002<\/p>\n<ul>\n<li><strong>\u6279\u91cf\u64cd\u4f5c\uff1a<\/strong> \u767c\u9001\u6578\u5343\u500b\u55ae\u7368\u7684\u63d2\u5165\u8a9e\u53e5\uff0c\u901f\u5ea6\u6703\u6bd4\u55ae\u4e00\u6279\u6b21\u64cd\u4f5c\u6162\u3002<\/li>\n<li><strong>\u61f6\u52a0\u8f09\uff1a<\/strong> \u4ee5\u5c0f\u6279\u6b21\u65b9\u5f0f\u53d6\u5f97\u8cc7\u6599\uff0c\u53ef\u80fd\u5c0e\u81f4\u8cc7\u6599\u5eab\u5f80\u8fd4\u6b21\u6578\u904e\u591a\u3002<\/li>\n<li><strong>\u9023\u63a5\u6c60\uff1a<\/strong> \u8cc7\u6599\u5eab\u9023\u63a5\u7ba1\u7406\u4e0d\u7576\uff0c\u53ef\u80fd\u5728\u9ad8\u5cf0\u8ca0\u8f09\u6642\u8017\u76e1\u53ef\u7528\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<p> \u512a\u5316\u61c9\u7528\u5c64\u53ef\u6e1b\u8f15\u5c0d\u8cc7\u6599\u7d50\u69cb\u7684\u58d3\u529b\uff0c\u8b93\u8cc7\u6599\u5eab\u80fd\u5728\u5176\u8a2d\u8a08\u53c3\u6578\u5167\u7a69\u5b9a\u904b\u4f5c\u3002<\/p>\n<h2>10. \u672a\u4f86\u5c0e\u5411\u7684\u8cc7\u6599\u67b6\u69cb\u8a2d\u8a08 \ud83d\ude80<\/h2>\n<p>\u70ba\u672a\u4f86\u8a2d\u8a08\u9700\u8981\u9810\u898b\u6210\u9577\u3002\u96d6\u7136\u7121\u6cd5\u9810\u6e2c\u7cbe\u78ba\u7684\u6d41\u91cf\u6578\u5b57\uff0c\u4f46\u53ef\u4ee5\u8a2d\u8a08\u5177\u5f48\u6027\u7684\u67b6\u69cb\u3002<\/p>\n<ul>\n<li><strong>\u8cc7\u6599\u7d50\u69cb\u7684\u6f14\u9032\uff1a<\/strong> \u4f7f\u7528\u5141\u8a31\u5c0d\u8cc7\u6599\u6a21\u578b\u9032\u884c\u975e\u4e2d\u65b7\u8b8a\u66f4\u7684\u9077\u79fb\u7b56\u7565\u3002<\/li>\n<li><strong>\u6c34\u5e73\u53ef\u64f4\u5c55\u6027\uff1a<\/strong> 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