{"id":1664,"date":"2026-04-06T16:34:57","date_gmt":"2026-04-06T16:34:57","guid":{"rendered":"https:\/\/www.viz-note.com\/cn\/foreign-keys-erd-performance-analysis\/"},"modified":"2026-04-06T16:34:57","modified_gmt":"2026-04-06T16:34:57","slug":"foreign-keys-erd-performance-analysis","status":"publish","type":"post","link":"https:\/\/www.viz-note.com\/cn\/foreign-keys-erd-performance-analysis\/","title":{"rendered":"\u7ec4\u4ef6\u5206\u89e3\u5206\u6790\uff1a\u5916\u952e\u5982\u4f55\u771f\u6b63\u5f71\u54cd\u5b9e\u4f53\u5173\u7cfb\u56fe\u7684\u6027\u80fd"},"content":{"rendered":"<p>\u5f53\u67b6\u6784\u5e08\u8bbe\u8ba1\u6570\u636e\u6a21\u578b\u65f6\uff0c\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u5145\u5f53\u57fa\u7840\u84dd\u56fe\u3002\u5b83\u4e0d\u4ec5\u4ec5\u662f\u8868\u683c\u548c\u5217\u7684\u89c6\u89c9\u8868\u793a\uff1b\u5b83\u8fd8\u89c4\u5b9a\u4e86\u5173\u7cfb\u3001\u5b8c\u6574\u6027\u4e0e\u6570\u636e\u6d41\u3002\u5728\u8fd9\u4e2a\u7ed3\u6784\u4e2d\uff0c\u6700\u4e3a\u5173\u952e\u7684\u7ec4\u4ef6\u4e4b\u4e00\u5c31\u662f\u5916\u952e\u3002\u5c3d\u7ba1\u5916\u952e\u901a\u5e38\u4ec5\u4e0e\u6570\u636e\u5b8c\u6574\u6027\u76f8\u5173\u8054\uff0c\u4f46\u5176\u5f71\u54cd\u5374\u6df1\u5165\u5230\u6027\u80fd\u6307\u6807\u3001\u5b58\u50a8\u6548\u7387\u548c\u67e5\u8be2\u6267\u884c\u901f\u5ea6\u7b49\u65b9\u9762\u3002<\/p>\n<p>\u672c\u5206\u6790\u63a2\u8ba8\u4e86\u5728ERD\u6027\u80fd\u80cc\u666f\u4e0b\u5916\u952e\u7684\u6280\u672f\u673a\u5236\u3002\u6211\u4eec\u5c06\u7814\u7a76\u8fd9\u4e9b\u7ea6\u675f\u5982\u4f55\u5f71\u54cd\u7d22\u5f15\u7b56\u7565\u3001\u9501\u5b9a\u673a\u5236\u4ee5\u53ca\u6570\u636e\u5e93\u6a21\u5f0f\u7684\u6574\u4f53\u53ef\u6269\u5c55\u6027\u3002\u76ee\u6807\u662f\u6e05\u6670\u5730\u7406\u89e3\u5728\u7269\u7406\u6a21\u578b\u4e2d\u5b9a\u4e49\u5173\u7cfb\u65f6\u6240\u6d89\u53ca\u7684\u6743\u8861\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Chibi-style infographic illustrating how foreign keys impact Entity Relationship Diagram performance, covering read vs write workloads, indexing strategies, normalization trade-offs, locking mechanisms, and optimization techniques for database schema design\" decoding=\"async\" src=\"https:\/\/www.viz-note.com\/wp-content\/uploads\/2026\/04\/foreign-keys-erd-performance-chibi-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\u7406\u89e3\u5916\u952e\u7684\u6838\u5fc3\u529f\u80fd \u2699\ufe0f<\/h2>\n<p>\u5916\u952e\u662f\u4e00\u79cd\u7ea6\u675f\uff0c\u5b83\u5c06\u4e00\u4e2a\u8868\u4e2d\u7684\u5217\u4e0e\u53e6\u4e00\u4e2a\u8868\u7684\u4e3b\u952e\u5173\u8054\u8d77\u6765\u3002\u8fd9\u79cd\u5173\u8054\u5f3a\u5236\u6267\u884c\u5f15\u7528\u5b8c\u6574\u6027\uff0c\u786e\u4fdd\u5b50\u8868\u4e2d\u7684\u8bb0\u5f55\u5bf9\u5e94\u4e8e\u7236\u8868\u4e2d\u5df2\u5b58\u5728\u7684\u8bb0\u5f55\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u7ea6\u675f\u7684\u5b9e\u73b0\u4f1a\u5e26\u6765\u8ba1\u7b97\u5f00\u9500\u3002<\/p>\n<p>\u4ece\u6027\u80fd\u89d2\u5ea6\u6765\u770b\uff0c\u5916\u952e\u76f8\u5f53\u4e8e\u5411\u6570\u636e\u5e93\u5f15\u64ce\u53d1\u51fa\u7684\u4e00\u4e2a\u4fe1\u53f7\u3002\u5b83\u544a\u77e5\u67e5\u8be2\u89c4\u5212\u5668\u5b58\u5728\u67d0\u79cd\u5173\u7cfb\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5f71\u54cd\u8fde\u63a5\u7b97\u6cd5\u7684\u9009\u62e9\u3002\u4f46\u540c\u65f6\uff0c\u5b83\u5728\u6570\u636e\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u4e5f\u4f1a\u5f15\u5165\u989d\u5916\u5f00\u9500\u3002<\/p>\n<ul>\n<li><strong>\u63d2\u5165\u64cd\u4f5c\uff1a<\/strong> \u5f53\u5411\u5b50\u8868\u4e2d\u6dfb\u52a0\u65b0\u884c\u65f6\uff0c\u5f15\u64ce\u5fc5\u987b\u9a8c\u8bc1\u6240\u5f15\u7528\u7684\u7236\u952e\u662f\u5426\u5b58\u5728\u3002<\/li>\n<li><strong>\u5220\u9664\u64cd\u4f5c\uff1a<\/strong> \u4ece\u7236\u8868\u4e2d\u5220\u9664\u4e00\u884c\u53ef\u80fd\u9700\u8981\u5bf9\u4f9d\u8d56\u7684\u5b50\u8bb0\u5f55\u8fdb\u884c\u7ea7\u8054\u66f4\u65b0\u6216\u68c0\u67e5\u3002<\/li>\n<li><strong>\u66f4\u65b0\u64cd\u4f5c\uff1a<\/strong> \u66f4\u6539\u7236\u8868\u4e2d\u7684\u4e3b\u952e\uff0c\u9700\u8981\u66f4\u65b0\u5b50\u8868\u4e2d\u6bcf\u4e00\u4e2a\u5916\u952e\u5f15\u7528\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u68c0\u67e5\u5e76\u975e\u77ac\u65f6\u5b8c\u6210\u3002\u5b83\u4eec\u9700\u8981\u4f7f\u7528\u9501\u5b9a\u673a\u5236\u6765\u9632\u6b62\u4e24\u4e2a\u4e8b\u52a1\u540c\u65f6\u5c1d\u8bd5\u4fee\u6539\u76f8\u5173\u6570\u636e\u800c\u5f15\u53d1\u7684\u7ade\u4e89\u6761\u4ef6\u3002\u56e0\u6b64\uff0cERD\u4e2d\u5916\u952e\u7684\u5bc6\u96c6\u7a0b\u5ea6\u4e0e\u4e8b\u52a1\u7ba1\u7406\u7684\u590d\u6742\u6027\u76f4\u63a5\u76f8\u5173\u3002<\/p>\n<h2>\u6027\u80fd\u6307\u6807\uff1a\u8bfb\u53d6\u4e0e\u5199\u5165\u5de5\u4f5c\u8d1f\u8f7d \ud83d\udcca<\/h2>\n<p>\u6570\u636e\u5e93\u6027\u80fd\u5728\u6240\u6709\u64cd\u4f5c\u4e2d\u5f88\u5c11\u4fdd\u6301\u4e00\u81f4\u3002\u5916\u952e\u5bf9\u8bfb\u53d6\u548c\u5199\u5165\u5de5\u4f5c\u8d1f\u8f7d\u7684\u5f71\u54cd\u5404\u4e0d\u76f8\u540c\u3002\u7406\u89e3\u8fd9\u4e00\u533a\u522b\u5bf9\u4e8e\u4f18\u5316\u6a21\u5f0f\u8bbe\u8ba1\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>1. \u8bfb\u53d6\u6027\u80fd\uff08\u67e5\u8be2\u6267\u884c\uff09<\/h3>\n<p>\u5f53\u67e5\u8be2\u6d89\u53ca\u4e24\u4e2a\u8868\u7684\u8fde\u63a5\u65f6\uff0c\u5916\u952e\u5173\u7cfb\u7684\u5b58\u5728\u53ef\u4ee5\u5e2e\u52a9\u4f18\u5316\u5668\u3002\u5982\u679c\u7ef4\u62a4\u4e86\u7edf\u8ba1\u4fe1\u606f\uff0c\u5f15\u64ce\u53ef\u4ee5\u66f4\u51c6\u786e\u5730\u4f30\u7b97\u8fde\u63a5\u7684\u57fa\u6570\u3002\u8fd9\u901a\u5e38\u80fd\u5e26\u6765\u66f4\u4f18\u7684\u6267\u884c\u8ba1\u5212\u3002<\/p>\n<ul>\n<li><strong>\u8fde\u63a5\u4f18\u5316\uff1a<\/strong> \u67e5\u8be2\u89c4\u5212\u5668\u53ef\u80fd\u6839\u636e\u5df2\u77e5\u7684\u57fa\u6570\u7ea6\u675f\u9009\u62e9\u54c8\u5e0c\u8fde\u63a5\u6216\u5408\u5e76\u8fde\u63a5\u3002<\/li>\n<li><strong>\u7d22\u5f15\u4f7f\u7528\uff1a<\/strong> \u5916\u952e\u901a\u5e38\u4f1a\u4fc3\u4f7f\u5728\u5b50\u8868\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u3002\u8fd9\u4e9b\u7d22\u5f15\u80fd\u52a0\u901f\u8fde\u63a5\u8fc7\u7a0b\u4e2d\u7684\u67e5\u627e\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u7f13\u5b58\u6548\u7387\uff1a<\/strong> \u5408\u7406\u7684\u5916\u952e\u7d22\u5f15\u80fd\u591f\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u5185\u5b58\u9875\u8bfb\u53d6\uff0c\u4ece\u800c\u51cf\u5c11\u78c1\u76d8I\/O\u3002<\/li>\n<\/ul>\n<h3>2. \u5199\u5165\u6027\u80fd\uff08\u6570\u636e\u64cd\u4f5c\uff09<\/h3>\n<p>\u5199\u5165\u64cd\u4f5c\u662f\u5916\u952e\u5f15\u5165\u663e\u8457\u5ef6\u8fdf\u7684\u5730\u65b9\u3002\u6bcf\u6b21\u63d2\u5165\u6216\u66f4\u65b0\u90fd\u5fc5\u987b\u9a8c\u8bc1\u8be5\u7ea6\u675f\u3002<\/p>\n<ul>\n<li><strong>\u67e5\u627e\u5f00\u9500\uff1a<\/strong> \u7cfb\u7edf\u5fc5\u987b\u641c\u7d22\u7236\u8868\u7684\u7d22\u5f15\u4ee5\u786e\u8ba4\u952e\u662f\u5426\u5b58\u5728\u3002\u8fd9\u4e3a\u6bcf\u6b21\u5199\u5165\u64cd\u4f5c\u589e\u52a0\u4e86\u989d\u5916\u7684\u8bfb\u53d6\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u7ea7\u8054\u6210\u672c\uff1a<\/strong> \u5982\u679c\u542f\u7528\u4e86\u7ea7\u8054\u5220\u9664\u6216\u66f4\u65b0\uff0c\u5bf9\u7236\u8bb0\u5f55\u7684\u5355\u4e2a\u64cd\u4f5c\u5c31\u53ef\u80fd\u89e6\u53d1\u5bf9\u591a\u4e2a\u5b50\u8868\u7684\u66f4\u65b0\u3002<\/li>\n<li><strong>\u9501\u5b9a\u4e89\u7528\uff1a<\/strong> \u5916\u952e\u5728\u884c\u4e4b\u95f4\u521b\u5efa\u4e86\u4f9d\u8d56\u5173\u7cfb\u3002\u5982\u679c\u4e24\u4e2a\u4e8b\u52a1\u5c1d\u8bd5\u5411\u540c\u4e00\u4e2a\u7236\u8868\u63d2\u5165\u6570\u636e\uff0c\u5b83\u4eec\u53ef\u80fd\u4f1a\u76f8\u4e92\u963b\u585e\uff0c\u7b49\u5f85\u5b8c\u6574\u6027\u68c0\u67e5\u5b8c\u6210\u3002<\/li>\n<\/ul>\n<h2>\u7d22\u5f15\u5173\u7cfb \ud83d\udd17<\/h2>\n<p>\u4e00\u4e2a\u6700\u5e38\u89c1\u7684\u8bef\u89e3\u662f\u5916\u952e\u4f1a\u81ea\u52a8\u521b\u5efa\u7d22\u5f15\u3002\u5728\u8bb8\u591a\u6570\u636e\u5e93\u5f15\u64ce\u4e2d\uff0c\u8fd9\u5e76\u4e0d\u662f\u9ed8\u8ba4\u884c\u4e3a\u3002\u7136\u800c\uff0c\u5982\u679c\u5728\u5b50\u5217\u4e0a\u6ca1\u6709\u7d22\u5f15\u5c31\u4f9d\u8d56\u5916\u952e\uff0c\u5c06\u4f1a\u6210\u4e3a\u6027\u80fd\u74f6\u9888\u3002<\/p>\n<p>\u5728\u5916\u952e\u5217\u4e0a\u6ca1\u6709\u7d22\u5f15\u7684\u60c5\u51b5\u4e0b\uff1a<\/p>\n<ul>\n<li>\u6570\u636e\u5e93\u5fc5\u987b\u6267\u884c\u5168\u8868\u626b\u63cf\uff0c\u4ee5\u5728\u63d2\u5165\u65f6\u9a8c\u8bc1\u7236\u952e\u662f\u5426\u5b58\u5728\u3002<\/li>\n<li>\u7236\u8868\u548c\u5b50\u8868\u4e4b\u95f4\u7684\u8fde\u63a5\u64cd\u4f5c\u5c06\u663e\u8457\u53d8\u6162\uff0c\u901a\u5e38\u4f1a\u9000\u5316\u4e3a\u5d4c\u5957\u5faa\u73af\u8fde\u63a5\u3002<\/li>\n<li>\u968f\u7740\u6570\u636e\u96c6\u7684\u589e\u957f\uff0c\u53c2\u7167\u5b8c\u6574\u6027\u68c0\u67e5\u4f1a\u53d8\u5f97\u8d8a\u6765\u8d8a\u6602\u8d35\u3002<\/li>\n<\/ul>\n<p>\u76f8\u53cd\uff0c\u4e3a\u5916\u952e\u5217\u6dfb\u52a0\u7d22\u5f15\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u4f46\u4e5f\u4f1a\u5e26\u6765\u81ea\u8eab\u7684\u5f00\u9500\uff1a<\/p>\n<ul>\n<li><strong>\u5b58\u50a8\u5f00\u9500\uff1a<\/strong> \u6bcf\u4e2a\u7d22\u5f15\u90fd\u4f1a\u6d88\u8017\u78c1\u76d8\u7a7a\u95f4\u548c\u5185\u5b58\u3002<\/li>\n<li><strong>\u5199\u5165\u6027\u80fd\u4e0b\u964d\uff1a<\/strong> \u6bcf\u6b21\u63d2\u5165\u3001\u66f4\u65b0\u6216\u5220\u9664\u884c\u65f6\uff0c\u7d22\u5f15\u90fd\u5fc5\u987b\u88ab\u4fee\u6539\u3002<\/li>\n<li><strong>\u788e\u7247\u5316\uff1a<\/strong> \u968f\u7740\u65f6\u95f4\u63a8\u79fb\uff0c\u7d22\u5f15\u53ef\u80fd\u4f1a\u53d8\u5f97\u788e\u7247\u5316\uff0c\u9700\u8981\u8fdb\u884c\u7ef4\u62a4\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h3>\u8868\u683c\uff1a\u5916\u952e\u7d22\u5f15\u5f71\u54cd<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u56e0\u7d20<\/th>\n<th>\u65e0\u5916\u952e\u7d22\u5f15<\/th>\n<th>\u6709\u5916\u952e\u7d22\u5f15<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u63d2\u5165\u901f\u5ea6<\/strong><\/td>\n<td>\u8f83\u6162\uff08\u5168\u8868\u626b\u63cf\u68c0\u67e5\uff09<\/td>\n<td>\u66f4\u5feb\uff08\u7d22\u5f15\u67e5\u627e\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8fde\u63a5\u901f\u5ea6<\/strong><\/td>\n<td>\u6162\uff08\u5d4c\u5957\u5faa\u73af\uff09<\/td>\n<td>\u5feb\uff08\u54c8\u5e0c\/\u5408\u5e76\u8fde\u63a5\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5b58\u50a8\u4f7f\u7528<\/strong><\/td>\n<td>\u4f4e<\/td>\n<td>\u8f83\u9ad8<\/td>\n<\/tr>\n<tr>\n<td><strong>\u66f4\u65b0\u5f00\u9500<\/strong><\/td>\n<td>\u4f4e<\/td>\n<td>\u9ad8\uff08\u7d22\u5f15\u7ef4\u62a4\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>ERD \u53ef\u89c6\u5316\u4e0e\u590d\u6742\u6027 \ud83c\udfa8<\/h2>\n<p>ERD \u662f\u5f00\u53d1\u4eba\u5458\u3001\u67b6\u6784\u5e08\u548c\u5229\u76ca\u76f8\u5173\u8005\u4e4b\u95f4\u6c9f\u901a\u7684\u5de5\u5177\u3002\u5916\u952e\u7684\u5bc6\u96c6\u7a0b\u5ea6\u4f1a\u5f71\u54cd\u56fe\u8868\u7684\u53ef\u8bfb\u6027\u3002\u5173\u7cfb\u8fc7\u591a\u5bfc\u81f4\u56fe\u8868\u6742\u4e71\uff0c\u4f1a\u63a9\u76d6\u6838\u5fc3\u6570\u636e\u6d41\u3002<\/p>\n<h3>1. \u89c6\u89c9\u6742\u4e71<\/h3>\n<p>\u5f53\u4e00\u4e2a\u5b9e\u4f53\u5177\u6709\u5927\u91cf\u51fa\u7ad9\u6216\u5165\u7ad9\u7684\u5916\u952e\u65f6\uff0c\u8fde\u63a5\u5b83\u4eec\u7684\u7ebf\u6761\u4f1a\u4ea7\u751f\u201c\u610f\u5927\u5229\u9762\u56fe\u201d\u6548\u5e94\u3002\u8fd9\u4f7f\u5f97\u8ffd\u8e2a\u6570\u636e\u8840\u7f18\u5173\u7cfb\u6216\u7406\u89e3\u7279\u5b9a\u5b9e\u4f53\u7684\u6838\u5fc3\u4f9d\u8d56\u5173\u7cfb\u53d8\u5f97\u56f0\u96be\u3002<\/p>\n<ul>\n<li><strong>\u7ebf\u6761\u4ea4\u53c9\uff1a<\/strong> \u5173\u7cfb\u8fc7\u591a\u4f1a\u5bfc\u81f4\u7ebf\u6761\u4ea4\u53c9\uff0c\u964d\u4f4e\u6e05\u6670\u5ea6\u3002<\/li>\n<li><strong>\u8282\u70b9\u5927\u5c0f\uff1a<\/strong> \u5173\u7cfb\u6570\u91cf\u591a\u7684\u5b9e\u4f53\u9700\u8981\u66f4\u5927\u7684\u8fb9\u754c\u6846\uff0c\u7834\u574f\u5e03\u5c40\u7684\u5bf9\u79f0\u6027\u3002<\/li>\n<li><strong>\u89e3\u8bfb\u65f6\u95f4\uff1a<\/strong> \u5de5\u7a0b\u5e08\u82b1\u8d39\u66f4\u591a\u65f6\u95f4\u89e3\u8bfb\u6a21\u578b\uff0c\u800c\u4e0d\u662f\u5b9e\u73b0\u903b\u8f91\u3002<\/li>\n<\/ul>\n<h3>2. \u903b\u8f91\u6a21\u578b\u4e0e\u7269\u7406\u6a21\u578b<\/h3>\n<p>\u901a\u5e38\u9700\u8981\u533a\u5206\u903b\u8f91 ERD \u548c\u7269\u7406\u6a21\u5f0f\u3002\u903b\u8f91\u6a21\u578b\u5173\u6ce8\u4e1a\u52a1\u89c4\u5219\u548c\u5173\u7cfb\uff0c\u800c\u7269\u7406\u6a21\u578b\u5173\u6ce8\u6027\u80fd\u548c\u5b9e\u73b0\u3002<\/p>\n<ul>\n<li><strong>\u903b\u8f91\u5c42\u7ea7\uff1a<\/strong>\u6240\u6709\u5173\u7cfb\u90fd\u5e94\u88ab\u8868\u793a\uff0c\u4ee5\u786e\u4fdd\u4e1a\u52a1\u89c4\u5219\u88ab\u5b8c\u6574\u6355\u83b7\u3002<\/li>\n<li><strong>\u7269\u7406\u5c42\u7ea7\uff1a<\/strong>\u67d0\u4e9b\u5173\u7cfb\u53ef\u80fd\u88ab\u79fb\u9664\u6216\u53bb\u89c4\u8303\u5316\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u5206\u79bb\u4f7f\u5f97 ERD \u4ecd\u53ef\u4f5c\u4e3a\u6709\u6548\u7684\u4e1a\u52a1\u6587\u6863\uff0c\u540c\u65f6\u5e95\u5c42\u6570\u636e\u5e93\u53ef\u6839\u636e\u7279\u5b9a\u5de5\u4f5c\u8d1f\u8f7d\u6a21\u5f0f\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n<h2>\u89c4\u8303\u5316\u4e0e\u5916\u952e\u5e73\u8861 \u2696\ufe0f<\/h2>\n<p>\u51b3\u5b9a\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u89c4\u8303\u5316\u4f1a\u5f15\u5165\u5916\u952e\u3002\u89c4\u8303\u5316\u51cf\u5c11\u4e86\u5197\u4f59\u5e76\u786e\u4fdd\u4e86\u6570\u636e\u4e00\u81f4\u6027\uff0c\u4f46\u4f1a\u589e\u52a0\u83b7\u53d6\u6570\u636e\u6240\u9700\u7684\u8fde\u63a5\u6570\u91cf\u3002<\/p>\n<h3>\u7b2c\u4e09\u8303\u5f0f\uff083NF\uff09<\/h3>\n<p>\u5728 3NF \u4e2d\uff0c\u6bcf\u4e2a\u975e\u952e\u5c5e\u6027\u90fd\u4f9d\u8d56\u4e8e\u6574\u4e2a\u952e\u3002\u8fd9\u4f1a\u5bfc\u81f4\u4e00\u4e2a\u5305\u542b\u8bb8\u591a\u8868\u548c\u8bb8\u591a\u5916\u952e\u7684\u6a21\u5f0f\u3002<\/p>\n<ul>\n<li><strong>\u4f18\u70b9\uff1a<\/strong>\u6570\u636e\u91cd\u590d\u6700\u5c11\uff0c\u66f4\u65b0\u4e00\u81f4\uff0c\u6587\u672c\u5b57\u6bb5\u5b58\u50a8\u7a7a\u95f4\u66f4\u5c0f\u3002<\/li>\n<li><strong>\u7f3a\u70b9\uff1a<\/strong>\u9700\u8981\u591a\u6b21\u8fde\u63a5\u7684\u590d\u6742\u67e5\u8be2\uff0c\u8bfb\u53d6\u5bc6\u96c6\u578b\u7cfb\u7edf\u4e2d\u53ef\u80fd\u51fa\u73b0\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h3>\u53bb\u89c4\u8303\u5316\u7b56\u7565<\/h3>\n<p>\u5bf9\u4e8e\u9ad8\u6027\u80fd\u62a5\u8868\u6216\u8bfb\u53d6\u5bc6\u96c6\u578b\u5e94\u7528\uff0c\u53bb\u89c4\u8303\u5316\u662f\u4e00\u79cd\u53ef\u884c\u7684\u7b56\u7565\u3002\u8fd9\u5305\u62ec\u79fb\u9664\u5916\u952e\u5e76\u590d\u5236\u6570\u636e\u3002<\/p>\n<ul>\n<li><strong>\u7269\u5316\u89c6\u56fe\uff1a<\/strong>\u4f5c\u4e3a\u8868\u5b58\u50a8\u7684\u9884\u8ba1\u7b97\u7ed3\u679c\u51cf\u5c11\u4e86\u5bf9\u8fde\u63a5\u7684\u9700\u6c42\u3002<\/li>\n<li><strong>\u5197\u4f59\u5217\uff1a<\/strong> \u5c06\u7c7b\u522b\u540d\u79f0\u76f4\u63a5\u5b58\u50a8\u5728\u4ea4\u6613\u8868\u4e2d\u53ef\u4ee5\u907f\u514d\u5bf9\u7c7b\u522b\u8868\u8fdb\u884c\u8fde\u63a5\u64cd\u4f5c\u3002<\/li>\n<li><strong> \u6743\u8861\uff1a<\/strong> \u4f60\u727a\u7272\u4e86\u5199\u5165\u6027\u80fd\u5e76\u589e\u52a0\u4e86\u5b58\u50a8\u7a7a\u95f4\uff0c\u4ee5\u6362\u53d6\u66f4\u5feb\u7684\u8bfb\u53d6\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h3>\u8868\u683c\uff1a\u89c4\u8303\u5316 vs. \u6027\u80fd<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u65b9\u9762<\/th>\n<th>\u89c4\u8303\u5316\uff08\u591a\u4e2a\u5916\u952e\uff09<\/th>\n<th>\u975e\u89c4\u8303\u5316\uff08\u8f83\u5c11\u5916\u952e\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u6570\u636e\u5b8c\u6574\u6027<\/strong><\/td>\n<td>\u9ad8\uff08\u7531\u5916\u952e\u5f3a\u5236\u6267\u884c\uff09<\/td>\n<td>\u4f4e\uff08\u9700\u8981\u624b\u52a8\u68c0\u67e5\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u67e5\u8be2\u590d\u6742\u5ea6<\/strong><\/td>\n<td>\u9ad8\uff08\u591a\u6b21\u8fde\u63a5\uff09<\/td>\n<td>\u4f4e\uff08\u5355\u8868\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5199\u5165\u901f\u5ea6<\/strong><\/td>\n<td>\u66f4\u5feb\uff08\u5197\u4f59\u66f4\u5c11\uff09<\/td>\n<td>\u66f4\u6162\uff08\u9700\u66f4\u65b0\u6240\u6709\u526f\u672c\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8bfb\u53d6\u901f\u5ea6<\/strong><\/td>\n<td>\u66f4\u6162<\/td>\n<td>\u66f4\u5feb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5e76\u53d1\u4e0e\u9501\u5b9a\u673a\u5236 \ud83d\udd12<\/h2>\n<p>\u5916\u952e\u5728\u67d0\u4e9b\u6570\u636e\u5e93\u5f15\u64ce\u4e2d\u4f1a\u5f15\u5165\u4e00\u79cd\u7279\u5b9a\u7684\u9501\u5b9a\u884c\u4e3a\uff0c\u79f0\u4e3a\u8c13\u8bcd\u9501\u5b9a\u6216\u95f4\u9699\u9501\u5b9a\u3002\u5f53\u4e8b\u52a1\u4fee\u6539\u88ab\u5916\u952e\u5f15\u7528\u7684\u884c\u65f6\uff0c\u4e0d\u4ec5\u9700\u8981\u9501\u5b9a\u6b63\u5728\u66f4\u6539\u7684\u884c\uff0c\u8fd8\u53ef\u80fd\u9700\u8981\u9501\u5b9a\u5176\u7236\u884c\u3002<\/p>\n<h3>1. \u6b7b\u9501<\/h3>\n<p>\u5177\u6709\u5927\u91cf\u5916\u952e\u7684\u9ad8\u8fde\u63a5\u5ea6\u6a21\u5f0f\u5bb9\u6613\u53d1\u751f\u6b7b\u9501\u3002\u5f53\u4e24\u4e2a\u4e8b\u52a1\u5404\u81ea\u6301\u6709\u5bf9\u65b9\u6240\u9700\u7684\u8d44\u6e90\u9501\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u8fd9\u79cd\u60c5\u51b5\u3002<\/p>\n<ul>\n<li><strong>\u573a\u666f\uff1a<\/strong> \u4e8b\u52a1A\u66f4\u65b0\u7236\u8868X\u3002\u4e8b\u52a1B\u66f4\u65b0\u5f15\u7528X\u7684\u5b50\u8868Y\u3002<\/li>\n<li><strong> \u51b2\u7a81\uff1a<\/strong> \u5982\u679c\u4e24\u4e2a\u4e8b\u52a1\u4ee5\u4e0d\u540c\u7684\u987a\u5e8f\u5c1d\u8bd5\u9501\u5b9a\u5bf9\u65b9\u7684\u8d44\u6e90\uff0c\u7cfb\u7edf\u5c06\u540c\u65f6\u4e2d\u6b62\u8fd9\u4e24\u4e2a\u4e8b\u52a1\u3002<\/li>\n<\/ul>\n<h3>2. \u7c92\u5ea6<\/h3>\n<p>\u6570\u636e\u5e93\u5f15\u64ce\u901a\u5e38\u5728\u884c\u7ea7\u522b\u8fdb\u884c\u9501\u5b9a\u3002\u7136\u800c\uff0c\u5916\u952e\u7ea6\u675f\u53ef\u80fd\u8feb\u4f7f\u9501\u5b9a\u53d1\u751f\u5728\u7d22\u5f15\u7ea7\u522b\u3002\u5982\u679c\u626b\u63cf\u7d22\u5f15\u4ee5\u9a8c\u8bc1\u5916\u952e\uff0c\u5219\u6574\u4e2a\u7d22\u5f15\u8303\u56f4\u90fd\u53ef\u80fd\u88ab\u9501\u5b9a\u3002<\/p>\n<ul>\n<li><strong>\u5f71\u54cd\uff1a<\/strong> \u9ad8\u5e76\u53d1\u7cfb\u7edf\u5728\u5916\u952e\u68c0\u67e5\u963b\u585e\u5176\u4ed6\u4e8b\u52a1\u65f6\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u541e\u5410\u91cf\u4e0b\u964d\u7684\u60c5\u51b5\u3002<\/li>\n<li><strong> \u7f13\u89e3\u63aa\u65bd\uff1a<\/strong> \u4ed4\u7ec6\u5b89\u6392\u4e8b\u52a1\u987a\u5e8f\uff0c\u5e76\u786e\u4fdd\u7d22\u5f15\u4e0e\u67e5\u8be2\u6a21\u5f0f\u5bf9\u9f50\uff0c\u53ef\u4ee5\u51cf\u5c11\u7ade\u4e89\u3002<\/li>\n<\/ul>\n<h2> \u5b58\u50a8\u5f00\u9500\u4e0e\u5185\u5b58\u5360\u7528 \ud83d\udcbe<\/h2>\n<p>\u6bcf\u4e2a\u5916\u952e\u5217\u90fd\u4f1a\u5360\u7528\u5b58\u50a8\u7a7a\u95f4\u3002\u867d\u7136\u5355\u4e2a\u6574\u6570\u6216UUID\u770b\u8d77\u6765\u5f88\u5c0f\uff0c\u4f46\u5728\u62e5\u6709\u6570\u5341\u4ebf\u6761\u8bb0\u5f55\u7684\u7cfb\u7edf\u4e2d\uff0c\u8fd9\u4e9b\u5f00\u9500\u4f1a\u7d2f\u79ef\u8d77\u6765\u3002<\/p>\n<h3>1. \u6570\u636e\u7c7b\u578b\u4e0e\u5bf9\u9f50<\/h3>\n<p>\u5916\u952e\u7684\u6570\u636e\u7c7b\u578b\u5fc5\u987b\u4e0e\u4e3b\u952e\u5339\u914d\u3002\u5982\u679c\u4e3b\u952e\u662f\u590d\u5408\u952e\uff08\u591a\u4e2a\u5217\uff09\uff0c\u90a3\u4e48\u5916\u952e\u4e5f\u5fc5\u987b\u662f\u590d\u5408\u952e\u3002<\/p>\n<ul>\n<li><strong>\u590d\u5408\u952e\uff1a<\/strong> \u8fd9\u4f1a\u663e\u8457\u589e\u52a0\u7d22\u5f15\u7684\u5927\u5c0f\u3002\u590d\u5408\u5916\u952e\u7d22\u5f15\u53ef\u80fd\u8fdc\u5927\u4e8e\u5355\u5217\u7d22\u5f15\u3002<\/li>\n<li><strong>\u53ef\u4e3a\u7a7a\u6027\uff1a<\/strong> \u5982\u679c\u5916\u952e\u5141\u8bb8\u4e3a\u7a7a\uff0c\u5b58\u50a8\u5f15\u64ce\u5fc5\u987b\u5904\u7406\u7a7a\u503c\u4f4d\u56fe\uff0c\u5e26\u6765\u8f7b\u5fae\u7684\u5f00\u9500\u3002<\/li>\n<\/ul>\n<h3>2. \u5185\u5b58\u4f7f\u7528<\/h3>\n<p>\u7d22\u5f15\u5728\u67e5\u8be2\u6267\u884c\u671f\u95f4\u9a7b\u7559\u5728\u5185\u5b58\u4e2d\u3002\u5927\u91cf\u5916\u952e\u53ca\u5176\u5bf9\u5e94\u7684\u7d22\u5f15\u53ef\u80fd\u4f1a\u8017\u5c3d\u53ef\u7528\u7684\u7f13\u51b2\u6c60\u5185\u5b58\u3002<\/p>\n<ul>\n<li><strong>\u7f13\u5b58\u6c61\u67d3\uff1a<\/strong> \u7ecf\u5e38\u8bbf\u95ee\u7684\u6570\u636e\u4f1a\u88ab\u6324\u51fa\u5185\u5b58\uff0c\u4e3a\u7d22\u5f15\u7ed3\u6784\u817e\u51fa\u7a7a\u95f4\u3002<\/li>\n<li><strong>\u4ea4\u6362\u4f7f\u7528\uff1a<\/strong> \u5982\u679c\u5185\u5b58\u4e0d\u8db3\uff0c\u7cfb\u7edf\u53ef\u80fd\u9700\u8981\u4ea4\u6362\u5230\u78c1\u76d8\uff0c\u4ece\u800c\u5927\u5e45\u964d\u4f4e\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2>ERD\u6027\u80fd\u4f18\u5316\u7b56\u7565 \ud83d\ude80<\/h2>\n<p>\u4e3a\u4e86\u5728\u6570\u636e\u5b8c\u6574\u6027\u548c\u6027\u80fd\u4e4b\u95f4\u4fdd\u6301\u5065\u5eb7\u7684\u5e73\u8861\uff0c\u5e94\u5728\u8bbe\u8ba1\u9636\u6bb5\u5e94\u7528\u7279\u5b9a\u7b56\u7565\u3002<\/p>\n<h3>1. \u9009\u62e9\u6027\u7d22\u5f15<\/h3>\n<p>\u4e0d\u8981\u76f2\u76ee\u5730\u4e3a\u6bcf\u4e2a\u5916\u952e\u521b\u5efa\u7d22\u5f15\u3002\u5e94\u5206\u6790\u67e5\u8be2\u6a21\u5f0f\u3002<\/p>\n<ul>\n<li><strong>\u9ad8\u9891\u8fde\u63a5\uff1a<\/strong> \u5982\u679c\u4e24\u4e2a\u8868\u7ecf\u5e38\u88ab\u8fde\u63a5\uff0c\u5e94\u4e3a\u5916\u952e\u521b\u5efa\u7d22\u5f15\u3002<\/li>\n<li><strong>\u4f4e\u9891\u5173\u7cfb\uff1a<\/strong> \u5982\u679c\u67d0\u4e2a\u5173\u7cfb\u5f88\u5c11\u88ab\u67e5\u8be2\uff0c\u7d22\u5f15\u7684\u5f00\u9500\u53ef\u80fd\u8d85\u8fc7\u5176\u5e26\u6765\u7684\u597d\u5904\u3002<\/li>\n<\/ul>\n<h3>2. \u5206\u533a<\/h3>\n<p>\u5bf9\u5927\u578b\u8868\u8fdb\u884c\u5206\u533a\uff0c\u53ef\u4ee5\u5c06\u5916\u952e\u68c0\u67e5\u9650\u5236\u5728\u7279\u5b9a\u7684\u6570\u636e\u6bb5\u5185\u3002<\/p>\n<ul>\n<li><strong>\u8303\u56f4\u5206\u533a\uff1a<\/strong> \u6309\u65e5\u671f\u6216ID\u8303\u56f4\u5206\u5272\u6570\u636e\u3002<\/li>\n<li><strong>\u5f71\u54cd\uff1a<\/strong> \u51cf\u5c11\u4e86\u5728\u5b8c\u6574\u6027\u68c0\u67e5\u671f\u95f4\u9700\u8981\u626b\u63cf\u7684\u7d22\u5f15\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<h3>3. \u5f02\u6b65\u9a8c\u8bc1<\/h3>\n<p>\u5728\u67d0\u4e9b\u9ad8\u541e\u5410\u91cf\u7cfb\u7edf\u4e2d\uff0c\u4e25\u683c\u7684\u53c2\u7167\u5b8c\u6574\u6027\u662f\u5f02\u6b65\u5f3a\u5236\u6267\u884c\u7684\u3002<\/p>\n<ul>\n<li><strong>\u5904\u7406\u8fc7\u7a0b\uff1a<\/strong> \u6570\u636e\u63d2\u5165\u65f6\u4e0d\u4f1a\u7acb\u5373\u8fdb\u884c\u5916\u952e\u68c0\u67e5\u3002<\/li>\n<li><strong>\u6e05\u7406\uff1a<\/strong> \u540e\u53f0\u4efb\u52a1\u4f1a\u5b9a\u671f\u9a8c\u8bc1\u5e76\u6e05\u7406\u5b64\u7acb\u8bb0\u5f55\u3002<\/li>\n<li><strong>\u4f18\u52bf\uff1a<\/strong> \u663e\u8457\u63d0\u5347\u5199\u5165\u6027\u80fd\uff0c\u4f46\u4ee3\u4ef7\u662f\u6682\u65f6\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<h2>\u5e38\u89c1\u9677\u9631\uff0c\u9700\u907f\u514d \u26a0\ufe0f<\/h2>\n<p>\u5373\u4f7f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u67b6\u6784\u5e08\u5728\u8bbe\u8ba1\u5927\u91cf\u4f7f\u7528\u5916\u952e\u7684ERD\u65f6\u4e5f\u53ef\u80fd\u9677\u5165\u9677\u9631\u3002<\/p>\n<ul>\n<li><strong>\u94fe\u5f0f\u5173\u7cfb\uff1a<\/strong> \u957f\u4e32\u7684\u5916\u952e\uff08A \u2192 B \u2192 C \u2192 D\uff09\u4f1a\u4f7f\u67e5\u8be2\u5c42\u7ea7\u8fc7\u6df1\uff0c\u96be\u4ee5\u4f18\u5316\u3002<\/li>\n<li><strong>\u81ea\u5f15\u7528\u952e\uff1a<\/strong> \u4e00\u5f20\u8868\u5f15\u7528\u81ea\u8eab\uff08\u4f8b\u5982\uff0cEmployee \u2192 Manager\uff09\u4f1a\u4f7f\u9012\u5f52\u67e5\u8be2\u548c\u7d22\u5f15\u7b56\u7565\u53d8\u5f97\u590d\u6742\u3002<\/li>\n<li><strong>\u5bbd\u4e3b\u952e\uff1a<\/strong> \u4f7f\u7528\u591a\u5217\u4e3b\u952e\u4f1a\u4f7f\u5916\u952e\u53d8\u5bbd\uff0c\u5bfc\u81f4\u6240\u6709\u5b50\u8868\u7d22\u5f15\u81a8\u80c0\u3002<\/li>\n<li><strong>\u5ffd\u7565\u7edf\u8ba1\u4fe1\u606f\uff1a<\/strong> \u5982\u679c\u6570\u636e\u5e93\u5f15\u64ce\u7f3a\u4e4f\u5916\u952e\u5217\u7684\u6700\u65b0\u7edf\u8ba1\u4fe1\u606f\uff0c\u67e5\u8be2\u89c4\u5212\u5668\u53ef\u80fd\u4f1a\u9009\u62e9\u8f83\u5dee\u7684\u6267\u884c\u8ba1\u5212\u3002<\/li>\n<\/ul>\n<h2>\u4e3a\u4f60\u7684\u6a21\u5f0f\u505a\u597d\u672a\u6765\u51c6\u5907 \ud83d\udd2e<\/h2>\n<p>\u4e3a\u5f53\u524d\u6027\u80fd\u8bbe\u8ba1\u81f3\u5173\u91cd\u8981\uff0c\u4f46\u53ef\u6269\u5c55\u6027\u9700\u8981\u524d\u77bb\u6027\u3002\u968f\u7740\u6570\u636e\u91cf\u5448\u6307\u6570\u589e\u957f\uff0c\u5916\u952e\u53ef\u80fd\u6210\u4e3a\u74f6\u9888\u3002<\/p>\n<h3>1. \u6c34\u5e73\u6269\u5c55<\/h3>\n<p>\u8fc1\u79fb\u5230\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u65f6\uff0c\u5916\u952e\u7ea6\u675f\u4f1a\u53d8\u5f97\u5177\u6709\u6311\u6218\u6027\u3002<\/p>\n<ul>\n<li><strong>\u5206\u7247\uff1a<\/strong> \u8de8\u5206\u7247\u7684\u5916\u952e\u5728\u6ca1\u6709\u4e2d\u592e\u534f\u8c03\u7684\u60c5\u51b5\u4e0b\u96be\u4ee5\u7ef4\u62a4\u3002<\/li>\n<li><strong>\u4e00\u81f4\u6027\uff1a<\/strong> \u5728\u5177\u6709\u5916\u952e\u4f9d\u8d56\u5173\u7cfb\u7684\u8282\u70b9\u4e4b\u95f4\u7ef4\u6301ACID\u7279\u6027\u9700\u8981\u590d\u6742\u7684\u534f\u8bae\u3002<\/li>\n<\/ul>\n<h3>2. \u6a21\u5f0f\u6f14\u8fdb<\/h3>\n<p>\u968f\u7740\u9700\u6c42\u53d8\u5316\uff0c\u5173\u7cfb\u53ef\u80fd\u9700\u8981\u8c03\u6574\u3002<\/p>\n<ul>\n<li><strong>\u4fee\u6539\u952e\uff1a<\/strong> \u5728\u5927\u578b\u8868\u4e0a\u66f4\u6539\u5916\u952e\u7ea6\u675f\u53ef\u80fd\u4f1a\u4f7f\u8be5\u8868\u88ab\u9501\u5b9a\u5f88\u957f\u65f6\u95f4\u3002<\/li>\n<li><strong> \u8fc1\u79fb\uff1a<\/strong> \u7528\u4e8e\u6a21\u5f0f\u8fc1\u79fb\u7684\u5de5\u5177\u5fc5\u987b\u5904\u7406\u5916\u952e\u4f9d\u8d56\u5173\u7cfb\uff0c\u4ee5\u907f\u514d\u7834\u574f\u751f\u4ea7\u6570\u636e\u3002<\/li>\n<\/ul>\n<h2> \u5173\u952e\u8003\u8651\u56e0\u7d20\u6458\u8981 \ud83d\udcdd<\/h2>\n<p> \u662f\u5426\u5728ERD\u4e2d\u5305\u542b\u5916\u952e\u5e76\u975e\u975e\u9ed1\u5373\u767d\u7684\u9009\u62e9\uff0c\u800c\u662f\u5728\u6570\u636e\u5b8c\u6574\u6027\u9700\u6c42\u4e0e\u6027\u80fd\u6210\u672c\u4e4b\u95f4\u8fdb\u884c\u6743\u8861\u3002<\/p>\n<ul>\n<li><strong> \u5b8c\u6574\u6027\uff1a<\/strong> \u5916\u952e\u662f\u81ea\u52a8\u5f3a\u5236\u6267\u884c\u6570\u636e\u89c4\u5219\u7684\u4e3b\u8981\u673a\u5236\u3002<\/li>\n<li><strong> \u6027\u80fd\uff1a<\/strong> \u5b83\u4eec\u5728\u5199\u5165\u64cd\u4f5c\u4e2d\u5f15\u5165\u5f00\u9500\uff0c\u5e76\u9700\u8981\u7ef4\u62a4\u7d22\u5f15\u3002<\/li>\n<li><strong> \u8bbe\u8ba1\uff1a<\/strong> \u6e05\u6670\u7684ERD\u6709\u52a9\u4e8e\u6c9f\u901a\uff0c\u4f46\u8fc7\u4e8e\u5bc6\u96c6\u7684ERD\u53ef\u80fd\u8868\u660e\u8fc7\u5ea6\u89c4\u8303\u5316\u3002<\/li>\n<li><strong> \u4f18\u5316\uff1a<\/strong> \u7d22\u5f15\u3001\u5206\u533a\u548c\u53cd\u89c4\u8303\u5316\u662f\u7ba1\u7406\u5916\u952e\u5f71\u54cd\u7684\u5de5\u5177\u3002<\/li>\n<\/ul>\n<p> \u901a\u8fc7\u5206\u6790\u5e94\u7528\u7a0b\u5e8f\u7684\u5177\u4f53\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u67b6\u6784\u5e08\u53ef\u4ee5\u786e\u5b9a\u5916\u952e\u7684\u6700\u4f73\u5bc6\u5ea6\u3002\u76ee\u6807\u662f\u8bbe\u8ba1\u4e00\u4e2a\u8db3\u591f\u5065\u58ee\u4ee5\u9632\u6b62\u9519\u8bef\uff0c\u540c\u65f6\u53c8\u8db3\u591f\u7075\u6d3b\u4ee5\u5e94\u5bf9\u9ad8\u901f\u6570\u636e\u5904\u7406\u7684\u6a21\u5f0f\u3002<\/p>\n<p> \u6709\u6548\u7684\u6570\u636e\u5e93\u8bbe\u8ba1\u9700\u8981\u6301\u7eed\u76d1\u63a7\u3002\u968f\u7740\u6570\u636e\u6a21\u5f0f\u7684\u53d8\u5316\uff0c\u5916\u952e\u7684\u6027\u80fd\u7279\u5f81\u4e5f\u4f1a\u968f\u4e4b\u6539\u53d8\u3002\u5b9a\u671f\u5ba1\u67e5\u6267\u884c\u8ba1\u5212\u548c\u9501\u7edf\u8ba1\u4fe1\u606f\uff0c\u53ef\u786e\u4fdd\u5b9e\u4f53\u5173\u7cfb\u56fe\u59cb\u7ec8\u51c6\u786e\u53cd\u6620\u7cfb\u7edf\u968f\u65f6\u95f4\u7684\u884c\u4e3a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u67b6\u6784\u5e08\u8bbe\u8ba1\u6570\u636e\u6a21\u578b\u65f6\uff0c\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u5145\u5f53\u57fa\u7840\u84dd\u56fe\u3002\u5b83&hellip;<\/p>\n","protected":false},"author":1,"featured_media":1665,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"\u5916\u952e\u4e0eERD\u6027\u80fd\uff1a\u6280\u672f\u6307\u5357 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