{"id":1551,"date":"2026-03-25T05:10:35","date_gmt":"2026-03-25T05:10:35","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/tw\/achieving-third-normal-form-performance\/"},"modified":"2026-03-25T05:10:35","modified_gmt":"2026-03-25T05:10:35","slug":"achieving-third-normal-form-performance","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/tw\/achieving-third-normal-form-performance\/","title":{"rendered":"ERD\u6307\u5357\uff1a\u5728\u4e0d\u5f71\u97ff\u6548\u80fd\u7684\u60c5\u6cc1\u4e0b\u5be6\u73fe\u7b2c\u4e09\u7bc4\u5f0f"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Charcoal sketch infographic illustrating how to achieve Third Normal Form (3NF) database normalization while maintaining query performance, featuring a balance scale metaphor weighing data integrity against speed, visualization of 1NF\/2NF\/3NF dependency rules, performance challenges like join overhead and disk I\/O, four optimization strategies (selective denormalization, strategic indexing, partitioning\/sharding, read replicas), ERD design considerations, normalized vs optimized design comparison, and an implementation checklist for database architects\" decoding=\"async\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/03\/third-normal-form-performance-balance-infographic.jpg\"\/><\/figure>\n<\/div>\n<p>\u8a2d\u8a08\u7a69\u5065\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\u662f\u4e00\u7a2e\u5e73\u8861\u7684\u85dd\u8853\u3002\u4e00\u65b9\u9762\uff0c\u4f60\u64c1\u6709\u8cc7\u6599\u5b8c\u6574\u6027\u4ee5\u53ca\u900f\u904e\u6b63\u898f\u5316\u6d88\u9664\u5197\u9918\uff1b\u53e6\u4e00\u65b9\u9762\uff0c\u4f60\u5247\u8ffd\u6c42\u67e5\u8a62\u901f\u5ea6\u8207\u7cfb\u7d71\u56de\u61c9\u80fd\u529b\u3002\u8a31\u591a\u8cc7\u6599\u5eab\u67b6\u69cb\u5e2b\u9762\u81e8\u8271\u96e3\u7684\u6289\u64c7\uff1a\u5805\u6301\u56b4\u683c\u7684\u6b63\u898f\u5316\u898f\u5247\uff0c\u53ef\u80fd\u5c0e\u81f4\u67e5\u8a62\u901f\u5ea6\u8b8a\u6162\uff1b\u6216\u904e\u5ea6\u53cd\u6b63\u898f\u5316\uff0c\u53c8\u53ef\u80fd\u5c0e\u81f4\u8cc7\u6599\u4e0d\u4e00\u81f4\u3002\u76ee\u6a19\u662f\u5728\u8cc7\u6599\u5eab\u9075\u5faa\u7b2c\u4e09\u7bc4\u5f0f\uff083NF\uff09\u7684\u540c\u6642\uff0c\u4ecd\u80fd\u7dad\u6301\u9ad8\u6548\u7387\u3002\u672c\u6587\u63a2\u8a0e\u5982\u4f55\u8a2d\u8a08\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\uff0c\u4ee5\u9054\u6210\u9019\u7a2e\u5e73\u8861\uff0c\u800c\u4e0d\u640d\u53ca\u8cc7\u6599\u5b8c\u6574\u6027\u6216\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n<h2>\u7406\u89e3\u7b2c\u4e09\u7bc4\u5f0f \ud83e\udde9<\/h2>\n<p>\u7b2c\u4e09\u7bc4\u5f0f\u662f\u8cc7\u6599\u5eab\u6b63\u898f\u5316\u7684\u4e00\u500b\u7279\u5b9a\u5c64\u7d1a\u3002\u5728\u9054\u52303NF\u4e4b\u524d\uff0c\u8868\u683c\u5fc5\u9808\u5148\u7b26\u5408\u7b2c\u4e00\u7bc4\u5f0f\uff081NF\uff09\u8207\u7b2c\u4e8c\u7bc4\u5f0f\uff082NF\uff09\u30023NF\u7684\u6838\u5fc3\u539f\u5247\u662f\uff1a\u6240\u6709\u5c6c\u6027\u90fd\u5fc5\u9808\u50c5\u4f9d\u8cf4\u65bc\u4e3b\u9375\uff0c\u4e0d\u61c9\u5b58\u5728\u50b3\u905e\u4f9d\u8cf4\u3002<\/p>\n<ul>\n<li><strong>\u7b2c\u4e00\u7bc4\u5f0f\uff1a<\/strong> \u6d88\u9664\u91cd\u8907\u7fa4\u7d44\uff0c\u4e26\u78ba\u4fdd\u503c\u70ba\u539f\u5b50\u6027\u3002<\/li>\n<li><strong>\u7b2c\u4e8c\u7bc4\u5f0f\uff1a<\/strong> \u79fb\u9664\u90e8\u5206\u4f9d\u8cf4\uff0c\u5373\u975e\u9375\u5c6c\u6027\u50c5\u4f9d\u8cf4\u65bc\u8907\u5408\u9375\u7684\u4e00\u90e8\u5206\u3002<\/li>\n<li><strong>\u7b2c\u4e09\u7bc4\u5f0f\uff1a<\/strong> \u79fb\u9664\u50b3\u905e\u4f9d\u8cf4\u3002\u82e5A\u6c7a\u5b9aB\uff0c\u4e14B\u6c7a\u5b9aC\uff0c\u5247C\u4e0d\u61c9\u5728\u76f8\u540c\u8868\u683c\u4e2d\u76f4\u63a5\u4f9d\u8cf4\u65bcA\u3002<\/li>\n<\/ul>\n<p>\u7576\u4f60\u9054\u52303NF\u6642\uff0c\u53ef\u6700\u5c0f\u5316\u66f4\u65b0\u7570\u5e38\u3002\u9019\u4e9b\u932f\u8aa4\u767c\u751f\u5728\u8cc7\u6599\u5728\u4e00\u500b\u5730\u65b9\u88ab\u4fee\u6539\uff0c\u537b\u672a\u5728\u5176\u4ed6\u5730\u65b9\u540c\u6b65\uff0c\u5c0e\u81f4\u8cc7\u6599\u4e0d\u4e00\u81f4\u3002\u4f8b\u5982\uff0c\u82e5\u5ba2\u6236\u7684\u5730\u5740\u540c\u6642\u5132\u5b58\u5728\u300c<code>\u8a02\u55ae<\/code>\u300d\u8868\u683c\u8207\u300c<code>\u5ba2\u6236<\/code>\u300d\u8868\u683c\u4e2d\uff0c\u82e5\u53ea\u5728\u5176\u4e2d\u4e00\u500b\u8868\u683c\u4fee\u6539\u5730\u5740\u800c\u672a\u5728\u53e6\u4e00\u500b\u4e2d\u4fee\u6539\uff0c\u5c31\u6703\u7522\u751f\u5dee\u7570\u30023NF\u8981\u6c42\u4f60\u50c5\u5c07\u8a72\u5730\u5740\u5132\u5b58\u5728\u4e00\u500b\u5730\u65b9\u3002<\/p>\n<h2>\u6548\u80fd\u7684\u6b0a\u8861 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\u6bcf\u500b\u95dc\u4fc2\u5728\u8b80\u53d6\u67e5\u8a62\u6642\u90fd\u9700\u57f7\u884c\u4e00\u6b21\u9023\u63a5\u64cd\u4f5c\u3002<\/li>\n<li><strong> \u78c1\u789fI\/O\uff1a<\/strong> \u5c07\u8cc7\u6599\u5206\u6563\u5728\u8a31\u591a\u8868\u683c\u4e2d\uff0c\u6703\u589e\u52a0\u8cc7\u6599\u5eab\u5f15\u64ce\u5fc5\u9808\u5b58\u53d6\u7684\u8cc7\u6599\u9801\u6578\u3002<\/li>\n<li><strong> \u8907\u96dc\u7684\u67e5\u8a62\u908f\u8f2f\uff1a<\/strong> \u61c9\u7528\u7a0b\u5f0f\u5fc5\u9808\u5efa\u69cb\u66f4\u8907\u96dc\u7684SQL\u8a9e\u53e5\u4f86\u53d6\u5f97\u76f8\u95dc\u8cc7\u6599\u3002<\/li>\n<li><strong> \u5feb\u53d6\u8907\u96dc\u5ea6\uff1a<\/strong> \u5feb\u53d6\u55ae\u4e00\u53cd\u6b63\u898f\u5316\u8cc7\u6599\u5217\uff0c\u6bd4\u5feb\u53d6\u591a\u500b\u76f8\u95dc\u8cc7\u6599\u5217\u66f4\u7c21\u55ae\u3002<\/li>\n<\/ul>\n<h2>\u5e73\u8861\u5b8c\u6574\u6027\u8207\u901f\u5ea6\u7684\u7b56\u7565 \ud83d\ude80<\/h2>\n<p>\u4f60\u4e0d\u9700\u8981\u653e\u68c4\u6b63\u898f\u5316\u4f86\u63d0\u5347\u6548\u80fd\u3002\u5b58\u5728\u7279\u5b9a\u6280\u8853\u53ef\u5728\u4fdd\u6301\u7d50\u69cb\u4e0d\u8b8a\u7684\u60c5\u6cc1\u4e0b\u512a\u53163NF\u8cc7\u6599\u5eab\u3002\u4ee5\u4e0b\u7b56\u7565\u80fd\u5e6b\u52a9\u4f60\u5728\u4e0d\u72a7\u7272\u901f\u5ea6\u7684\u524d\u63d0\u4e0b\u7dad\u6301\u8cc7\u6599\u54c1\u8cea\u3002<\/p>\n<h3>1. \u9078\u64c7\u6027\u53cd\u6b63\u898f\u5316<\/h3>\n<p>\u4e26\u975e\u6bcf\u500b\u8cc7\u6599\u8868\u90fd\u5fc5\u9808\u56b4\u683c\u7b26\u5408\u7b2c\u4e09\u7bc4\u5f0f\u3002\u8b58\u5225\u8b80\u53d6\u5bc6\u96c6\u7684\u8cc7\u6599\u8868\u4ee5\u53ca\u95dc\u9375\u7684\u8cc7\u6599\u8def\u5f91\u3002\u4f60\u53ef\u4ee5\u5728\u9019\u4e9b\u7279\u5b9a\u5340\u57df\u5f15\u5165\u53d7\u63a7\u7684\u8cc7\u6599\u5197\u9918\u3002\u4f8b\u5982\uff0c\u5c07\u5ba2\u6236\u59d3\u540d\u76f4\u63a5\u5132\u5b58\u5728\u300c<code>\u8a02\u55ae<\/code>\u300d\u8cc7\u6599\u8868\u4e2d\u3002\u96d6\u7136\u9019\u6703\u9020\u6210\u8cc7\u6599\u91cd\u8907\uff0c\u4f46\u5c0d\u65bc\u8a02\u55ae\u67e5\u8a62\u7684\u6548\u80fd\u63d0\u5347\u986f\u8457\u3002\u4f60\u5fc5\u9808\u96a8\u5f8c\u5efa\u7acb\u89f8\u767c\u7a0b\u5e8f\u6216\u61c9\u7528\u7a0b\u5f0f\u908f\u8f2f\uff0c\u4ee5\u78ba\u4fdd\u7576\u5ba2\u6236\u8a18\u9304\u8b8a\u66f4\u6642\uff0c\u6b64\u4efd\u8907\u672c\u4e5f\u80fd\u540c\u6b65\u66f4\u65b0\u3002<\/p>\n<h3>2. \u6218\u7565\u6027\u7d22\u5f15<\/h3>\n<p>\u7d22\u5f15\u662f\u52a0\u901f\u9023\u63a5\u64cd\u4f5c\u7684\u4e3b\u8981\u5de5\u5177\u3002\u82e5\u7121\u7d22\u5f15\uff0c\u8cc7\u6599\u5eab\u6703\u91dd\u5c0d\u6bcf\u500b\u9023\u63a5\u689d\u4ef6\u57f7\u884c\u5b8c\u6574\u7684\u8cc7\u6599\u8868\u6383\u63cf\u3002\u900f\u904e\u9069\u7576\u7684\u7d22\u5f15\uff0c\u67e5\u8a62\u52d5\u4f5c\u5e7e\u4e4e\u53ef\u77ac\u9593\u5b8c\u6210\u3002<\/p>\n<ul>\n<li><strong>\u5916\u9375\u7d22\u5f15\uff1a<\/strong> \u59cb\u7d42\u70ba\u5916\u9375\u95dc\u4fc2\u4e2d\u4f7f\u7528\u7684\u6b04\u4f4d\u5efa\u7acb\u7d22\u5f15\u3002\u9019\u53ef\u78ba\u4fdd\u8cc7\u6599\u8868\u9023\u63a5\u64cd\u4f5c\u5feb\u901f\u57f7\u884c\u3002<\/li>\n<li><strong>\u8907\u5408\u7d22\u5f15\uff1a<\/strong> \u82e5\u4f60\u7684\u67e5\u8a62\u7d93\u5e38\u6839\u64da\u7279\u5b9a\u6b04\u4f4d\u7d44\u5408\u9032\u884c\u904e\u6ffe\uff0c\u5247\u61c9\u5efa\u7acb\u591a\u6b04\u4f4d\u7d22\u5f15\u3002<\/li>\n<li><strong>\u8986\u84cb\u7d22\u5f15\uff1a<\/strong> 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\u5206\u5340\u8207\u5206\u7247<\/h3>\n<p>\u82e5\u8cc7\u6599\u96c6\u904e\u5927\uff0c\u62c6\u5206\u8cc7\u6599\u8868\u53ef\u63d0\u5347\u6548\u80fd\u3002\u5206\u5340\u662f\u6839\u64da\u67d0\u500b\u95dc\u9375\u503c\uff08\u4f8b\u5982\u65e5\u671f\u6216\u5730\u5340\uff09\u5c07\u5927\u578b\u8cc7\u6599\u8868\u5206\u5272\u6210\u8f03\u5c0f\u3001\u66f4\u6613\u7ba1\u7406\u7684\u7269\u7406\u7247\u6bb5\u3002\u5206\u7247\u5247\u662f\u5c07\u8cc7\u6599\u5206\u6563\u81f3\u591a\u500b\u8cc7\u6599\u5eab\u5be6\u4f8b\u4e2d\u3002\u9019\u5169\u7a2e\u65b9\u6cd5\u90fd\u80fd\u6e1b\u5c11\u8cc7\u6599\u5f15\u64ce\u70ba\u56de\u61c9\u7279\u5b9a\u67e5\u8a62\u6240\u9700\u6383\u63cf\u7684\u8cc7\u6599\u91cf\u3002<\/p>\n<h3>4. \u8b80\u53d6\u8907\u672c<\/h3>\n<p>\u5c07\u5beb\u5165\u64cd\u4f5c\u8207\u8b80\u53d6\u64cd\u4f5c\u5206\u96e2\u3002\u4f7f\u7528\u4e3b\u8cc7\u6599\u5eab\u5be6\u4f8b\u8655\u7406\u4ea4\u6613\u8207\u66f4\u65b0\u3002\u5c07\u8cc7\u6599\u8907\u88fd\u5230\u4e00\u500b\u6216\u591a\u500b\u53ea\u8b80\u8907\u672c\u4e2d\u3002\u8907\u96dc\u7684\u5831\u8868\u67e5\u8a62\u82e5\u5c0d\u7cfb\u7d71\u9020\u6210\u8ca0\u64d4\uff0c\u53ef\u65bc\u8907\u672c\u4e0a\u57f7\u884c\uff0c\u4ee5\u78ba\u4fdd\u4e3b\u7cfb\u7d71\u80fd\u5feb\u901f\u56de\u61c9\u4f7f\u7528\u8005\u4e92\u52d5\u3002<\/p>\n<h2>ERD \u8a2d\u8a08\u8003\u91cf \ud83d\udcd0<\/h2>\n<p>\u7e6a\u88fd\u5be6\u9ad4\u95dc\u4fc2\u5716\u6642\uff0c\u8996\u89ba\u5316\u5448\u73fe\u6703\u5f71\u97ff\u958b\u767c\u4eba\u54e1\u64b0\u5beb\u67e5\u8a62\u7684\u65b9\u5f0f\u3002\u6e05\u6670\u7684 ERD \u6709\u52a9\u65bc\u65e9\u671f\u8b58\u5225\u95dc\u4fc2\u3002\u7136\u800c\uff0c\u7d19\u4e0a\u770b\u8d77\u4f86\u5b8c\u7f8e\u7684\u5716\u8868\uff0c\u5728\u5be6\u969b\u57f7\u884c\u6642\u53ef\u80fd\u8868\u73fe\u4e0d\u4f73\u3002\u4ee5\u4e0b\u662f\u91dd\u5c0d\u6548\u80fd\u9032\u884c ERD \u8a2d\u8a08\u7684\u65b9\u6cd5\u3002<\/p>\n<ul>\n<li><strong>\u660e\u78ba\u8b58\u5225\u95dc\u4fc2\u6578\u91cf\uff1a<\/strong> \u78ba\u4fdd\u6bcf\u4e00\u500b\u95dc\u4fc2\u90fd\u5177\u6709\u660e\u78ba\u7684\u95dc\u4fc2\u6578\u91cf\uff08\u4e00\u5c0d\u4e00\u3001\u4e00\u5c0d\u591a\u3001\u591a\u5c0d\u591a\uff09\u3002\u6a21\u7cca\u7684\u95dc\u4fc2\u6703\u5c0e\u81f4\u9023\u63a5\u64cd\u4f5c\u6548\u7387\u4f4e\u4e0b\u3002<\/li>\n<li><strong>\u898f\u5283\u6210\u9577\u7a7a\u9593\uff1a<\/strong> \u9810\u671f\u672a\u4f86\u7684\u8cc7\u6599\u91cf\u3002\u4e00\u500b\u5c0d 1 \u842c\u7b46\u8cc7\u6599\u6709\u6548\u7684\u8a2d\u8a08\uff0c\u53ef\u80fd\u5728\u9762\u5c0d 1,000 \u842c\u7b46\u8cc7\u6599\u6642\u5931\u6548\u3002<\/li>\n<li><strong>\u6aa2\u8996\u9023\u63a5\u8def\u5f91\uff1a<\/strong> \u8ffd\u8e64\u5e38\u898b\u67e5\u8a62\u5728\u5716\u8868\u4e2d\u6240\u7d93\u904e\u7684\u8def\u5f91\u3002\u82e5\u8def\u5f91\u904e\u9577\uff0c\u53ef\u8003\u616e\u65b0\u589e\u53cd\u898f\u7bc4\u5316\u6b04\u4f4d\u3002<\/li>\n<li><strong>\u8a18\u9304\u7d04\u675f\u689d\u4ef6\uff1a<\/strong> \u660e\u78ba\u8a18\u9304\u54ea\u4e9b\u7d04\u675f\u7531\u8cc7\u6599\u5eab\u5f37\u5236\u57f7\u884c\uff0c\u54ea\u4e9b\u7531\u61c9\u7528\u7a0b\u5f0f\u5c64\u8655\u7406\u3002<\/li>\n<\/ul>\n<h2>\u5c0d\u6bd4\uff1a\u898f\u7bc4\u5316\u8a2d\u8a08 vs. \u512a\u5316\u8a2d\u8a08 \ud83d\udcca<\/h2>\n<p>\u4e0b\u8868\u8aaa\u660e\u4e86\u5728\u7279\u5b9a\u60c5\u5883\u4e0b\uff0c\u56b4\u683c\u9075\u5faa\u7b2c\u4e09\u7bc4\u5f0f\u8207\u512a\u5316\u8a2d\u8a08\u4e4b\u9593\u7684\u5dee\u7570\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u529f\u80fd<\/th>\n<th>\u56b4\u683c 3NF \u8a2d\u8a08<\/th>\n<th>\u512a\u5316\u8a2d\u8a08<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5197\u9918<\/td>\n<td>\u6700\u5c0f\u5316<\/td>\n<td>\u53d7\u63a7\u4e14\u6709\u9650<\/td>\n<\/tr>\n<tr>\n<td>\u67e5\u8a62\u8907\u96dc\u5ea6<\/td>\n<td>\u9ad8\uff08\u591a\u91cd\u9023\u63a5\uff09<\/td>\n<td>\u4e2d\u7b49\uff08\u8f03\u5c11\u9023\u63a5\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5beb\u5165\u6548\u80fd<\/td>\n<td>\u5feb\u901f\uff08\u8cc7\u6599\u8f03\u5c11\uff09<\/td>\n<td>\u53ef\u8b8a\uff08\u66f4\u65b0\u89f8\u767c\u5668\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8b80\u53d6\u6548\u80fd<\/td>\n<td>\u8f03\u6162\uff08\u78c1\u789fI\/O\uff09<\/td>\n<td>\u66f4\u5feb\uff08\u5feb\u53d6\u8cc7\u6599\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8cc7\u6599\u5b8c\u6574\u6027<\/td>\n<td>\u9ad8<\/td>\n<td>\u9ad8\uff08\u5177\u9a57\u8b49\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4f55\u6642\u8a72\u6253\u7834\u898f\u5247 \ud83d\uded1<\/h2>\n<p>\u5b58\u5728\u5408\u7406\u7684\u5834\u666f\uff0c\u9700\u8981\u653e\u68c4\u56b4\u683c\u7684\u7b2c\u4e09\u7bc4\u5f0f\u3002\u7406\u89e3\u4f55\u6642\u61c9\u6709\u6240\u504f\u96e2\uff0c\u5c0d\u8cc7\u6599\u5eab\u67b6\u69cb\u5e2b\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>\u5831\u8868\u8207\u5206\u6790\uff1a<\/strong>\u8cc7\u6599\u5009\u5eab\u901a\u5e38\u4f7f\u7528\u661f\u578b\u67b6\u69cb\u800c\u975e\u7b2c\u4e09\u7bc4\u5f0f\u3002\u6b64\u8655\u7684\u76ee\u6a19\u662f\u5206\u6790\u6642\u7684\u8b80\u53d6\u901f\u5ea6\uff0c\u800c\u975e\u4ea4\u6613\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>\u9ad8\u541e\u5410\u91cf\u4ea4\u6613\u7cfb\u7d71\uff1a<\/strong> \u82e5\u7cfb\u7d71\u6bcf\u79d2\u8655\u7406\u767e\u842c\u6b21\u5beb\u5165\uff0c\u8907\u96dc\u7684\u9023\u63a5\u53ef\u80fd\u6703\u5c0e\u81f4\u9396\u7af6\u722d\u3002\u7c21\u5316\u8cc7\u6599\u7d50\u69cb\u53ef\u964d\u4f4e\u9396\u5b9a\u958b\u92b7\u3002<\/li>\n<li><strong>\u820a\u7cfb\u7d71\uff1a<\/strong> \u82e5\u5f9e\u820a\u7cfb\u7d71\u9077\u79fb\uff0c\u66ab\u6642\u53d6\u6d88\u6b63\u898f\u5316\uff0c\u540c\u6642\u91cd\u5efa\u61c9\u7528\u5c64\uff0c\u53ef\u80fd\u66f4\u5feb\u901f\u3002<\/li>\n<li><strong>\u8b80\u53d6\u5bc6\u96c6\u578b\u61c9\u7528\uff1a<\/strong> \u82e5\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\u6bcf\u5beb\u5165\u4e00\u6b21\u8cc7\u6599\uff0c\u5c31\u8b80\u53d6\u4e00\u767e\u6b21\uff0c\u7dad\u6301\u7b2c\u4e09\u7bc4\u5f0f\u4e00\u81f4\u6027\u6240\u4ed8\u51fa\u7684\u6210\u672c\u5c07\u8d85\u904e\u5176\u5e36\u4f86\u7684\u6548\u76ca\u3002<\/li>\n<\/ul>\n<h2>\u5be6\u4f5c\u6aa2\u67e5\u6e05\u55ae \u2705<\/h2>\n<p>\u5728\u90e8\u7f72\u8cc7\u6599\u5eab\u7d50\u69cb\u4e4b\u524d\uff0c\u8acb\u9010\u4e00\u6838\u5c0d\u6b64\u6aa2\u67e5\u6e05\u55ae\uff0c\u4ee5\u78ba\u4fdd\u6027\u80fd\u8207\u6b63\u898f\u5316\u4e4b\u9593\u53d6\u5f97\u5e73\u8861\u3002<\/p>\n<ul>\n<li><strong>\u5206\u6790\u67e5\u8a62\u6a21\u5f0f\uff1a<\/strong> \u8b58\u5225\u6700\u5e38\u898b\u7684\u8b80\u53d6\u67e5\u8a62\u3002\u5b83\u5011\u662f\u5426\u9700\u8981\u904e\u591a\u7684\u9023\u63a5\uff1f<\/li>\n<li><strong>\u8861\u91cf\u76ee\u524d\u7684\u6548\u80fd\uff1a<\/strong> \u5efa\u7acb\u7cfb\u7d71\u57fa\u7dda\u3002\u4e86\u89e3\u95dc\u9375\u67e5\u8a62\u7684\u7576\u524d\u5ef6\u9072\u3002<\/li>\n<li><strong>\u6aa2\u8996\u7d22\u5f15\u4f7f\u7528\u60c5\u6cc1\uff1a<\/strong> \u6aa2\u67e5\u7d22\u5f15\u662f\u5426\u88ab\u6709\u6548\u5229\u7528\uff0c\u6216\u5728\u5beb\u5165\u6642\u662f\u5426\u9020\u6210\u984d\u5916\u8ca0\u64d4\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u5beb\u5165\u8ca0\u8f09\uff1a<\/strong> \u78ba\u4fdd\u4efb\u4f55\u53cd\u898f\u7bc4\u5316\u7b56\u7565\u4e0d\u6703\u904e\u5ea6\u964d\u4f4e\u5beb\u5165\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/li>\n<li><strong>\u898f\u5283\u8cc7\u6599\u540c\u6b65\uff1a<\/strong> \u5982\u679c\u4f60\u8907\u88fd\u8cc7\u6599\uff0c\u5982\u4f55\u4fdd\u6301\u5b83\u5011\u540c\u6b65\uff1f\u5b9a\u7fa9\u540c\u6b65\u6a5f\u5236\u3002<\/li>\n<li><strong>\u76e3\u63a7\u7570\u5e38\uff1a<\/strong> \u5982\u679c\u4f60\u4f7f\u7528\u90e8\u5206\u53cd\u898f\u7bc4\u5316\uff0c\u8acb\u8a2d\u5b9a\u8cc7\u6599\u4e0d\u4e00\u81f4\u7684\u8b66\u793a\u3002<\/li>\n<\/ul>\n<h2>\u95dc\u65bc\u8cc7\u6599\u5eab\u67b6\u69cb\u7684\u6700\u5f8c\u60f3\u6cd5 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content=\"\u5b78\u7fd2\u5982\u4f55\u8a2d\u8a08\u7b2c\u4e09\u7bc4\u5f0f\u4e0b\u7684\u9ad8\u6548ERD\u3002\u5728\u4e0d\u72a7\u7272\u8cc7\u6599\u5eab\u6027\u80fd\u7684\u524d\u63d0\u4e0b\uff0c\u5e73\u8861\u8cc7\u6599\u5b8c\u6574\u6027\u8207\u67e5\u8a62\u901f\u5ea6\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ez-knowledge.com\/tw\/achieving-third-normal-form-performance\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5728\u4e0d\u72a7\u7272\u6027\u80fd\u7684\u60c5\u6cc1\u4e0b\u9054\u62103NF \ud83d\ude80\" \/>\n<meta property=\"og:description\" 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