{"id":1654,"date":"2026-04-08T03:43:39","date_gmt":"2026-04-08T03:43:39","guid":{"rendered":"https:\/\/www.viz-note.com\/tw\/case-study-disaster-recovery-flawed-erd\/"},"modified":"2026-04-08T03:43:39","modified_gmt":"2026-04-08T03:43:39","slug":"case-study-disaster-recovery-flawed-erd","status":"publish","type":"post","link":"https:\/\/www.viz-note.com\/tw\/case-study-disaster-recovery-flawed-erd\/","title":{"rendered":"\u707d\u96e3\u6062\u5fa9\u6848\u4f8b\uff1a\u4e00\u500b\u6709\u7f3a\u9677\u7684\u5be6\u9ad4\u95dc\u4fc2\u5716\u5982\u4f55\u8b93\u6211\u5011\u640d\u5931\u4e86\u4e09\u500b\u5c0f\u6642"},"content":{"rendered":"<p>\u707d\u96e3\u6062\u5fa9\u5f88\u5c11\u662f\u95dc\u65bc\u707d\u96e3\u672c\u8eab\uff1b\u800c\u662f\u95dc\u65bc\u6211\u5011\u5728\u66b4\u98a8\u96e8\u4f86\u81e8\u524d\u6240\u5efa\u7acb\u7d50\u69cb\u7684\u8106\u5f31\u6027\u3002\u5728\u6211\u5011\u6700\u8fd1\u7684\u4e8b\u4ef6\u4e2d\uff0c\u8cc7\u6599\u5eab\u7d50\u69cb\u8a2d\u8a08\u4e2d\u770b\u4f3c\u5fae\u4e0d\u8db3\u9053\u7684\u758f\u5ffd\uff0c\u537b\u6210\u70ba\u6574\u500b\u6062\u5fa9\u904e\u7a0b\u7684\u74f6\u9838\u3002\u7f6a\u9b41\u798d\u9996\u662f\u4e00\u500b\u672a\u80fd\u6e96\u78ba\u53cd\u6620\u751f\u7522\u74b0\u5883\u8cc7\u6599\u4f9d\u8cf4\u95dc\u4fc2\u7684\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u3002\u539f\u672c\u61c9\u5728\u56db\u5341\u4e94\u5206\u9418\u5167\u5b8c\u6210\u7684\u64cd\u4f5c\uff0c\u537b\u5ef6\u9577\u70ba\u4e09\u500b\u5c0f\u6642\u7684\u624b\u52d5\u4ecb\u5165\u8207\u8cc7\u6599\u6838\u5c0d\u3002 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maintenance and data integrity\" decoding=\"async\" src=\"https:\/\/www.viz-note.com\/wp-content\/uploads\/2026\/04\/disaster-recovery-erd-case-study-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>ERD\u5728\u8cc7\u6599\u97cc\u6027\u4e2d\u7684\u95dc\u9375\u89d2\u8272 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\ud83d\udcc9<\/h2>\n<p>\u4e8b\u4ef6\u59cb\u65bc\u4e3b\u8cc7\u6599\u5132\u5b58\u5340\u7684\u6545\u969c\u3002\u4e00\u5834\u707d\u96e3\u6027\u7684\u786c\u9ad4\u932f\u8aa4\u89f8\u767c\u4e86\u7cfb\u7d71\u5207\u63db\u81f3\u5099\u7528\u74b0\u5883\u3002\u6a19\u6e96\u4f5c\u696d\u7a0b\u5e8f\u662f\u555f\u52d5\u6062\u5fa9\u8173\u672c\uff0c\u8a72\u8173\u672c\u4f9d\u8cf4\u65bc\u5b58\u653e\u5728\u6587\u4ef6\u5009\u5eab\u4e2d\u7684\u975c\u614bERD\u7248\u672c\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5931\u6557\u7684\u6642\u9593\u8ef8\uff1a<\/p>\n<ul>\n<li><strong>00:00<\/strong> \u2013 \u6aa2\u6e2c\u5230\u4e3b\u7cfb\u7d71\u6545\u969c\u3002\u8b66\u5831\u89f8\u767c\u4e8b\u4ef6\u56de\u61c9\u3002<\/li>\n<li><strong>00:05<\/strong> \u2013 \u5de5\u7a0b\u5718\u968a\u52d5\u54e1\u3002\u5df2\u6388\u4e88\u5099\u7528\u74b0\u5883\u7684\u5b58\u53d6\u6b0a\u9650\u3002<\/li>\n<li><strong>00:15<\/strong> \u2013 \u6839\u64da\u6587\u4ef6\u4e2d\u7684ERD\u555f\u52d5\u6062\u5fa9\u8173\u672c\u3002<\/li>\n<li><strong>00:25<\/strong> \u2013 \u8173\u672c\u4e2d\u6b62\u3002\u6aa2\u6e2c\u5230\u5916\u9375\u7d04\u675f\u9055\u898f\u3002<\/li>\n<li><strong>00:30<\/strong> \u2013 \u8abf\u67e5\u958b\u59cb\u3002\u767c\u73feERD\u8207\u5373\u6642\u7d50\u69cb\u4e4b\u9593\u5b58\u5728\u5dee\u7570\u3002<\/li>\n<li><strong>01:30<\/strong> \u2013 \u958b\u59cb\u7d50\u69cb\u4fee\u88dc\u8207\u624b\u52d5\u8cc7\u6599\u6838\u5c0d\u3002<\/li>\n<li><strong>03:00<\/strong> \u2013 \u7cfb\u7d71\u6062\u5fa9\u81f3\u53ef\u64cd\u4f5c\u72c0\u614b\u3002<\/li>\n<\/ul>\n<p>\u4e09\u500b\u5c0f\u6642\u7684\u5ef6\u9072\u4e26\u975e\u7531\u7db2\u8def\u5ef6\u9072\u6216\u786c\u9ad4\u901f\u5ea6\u6162\u6240\u5c0e\u81f4\u3002\u9019\u662f\u56e0\u70ba\u8a2d\u8a08\u6587\u4ef6\u8207\u5be6\u969b\u7269\u7406\u73fe\u5be6\u4e4b\u9593\u5b58\u5728\u908f\u8f2f\u4e0a\u7684\u5dee\u8ddd\u6240\u81f4\u3002\ud83e\udde9<\/p>\n<h2>\u5df2\u8b58\u5225\u7684\u5177\u9ad4\u8cc7\u6599\u7d50\u69cb\u7f3a\u9677 \ud83d\udd0d<\/h2>\n<p>\u5728\u5c07\u5373\u6642\u8cc7\u6599\u5eab\u8207ERD\u9032\u884c\u6bd4\u5c0d\u5f8c\uff0c\u6211\u5011\u767c\u73fe\u4e86\u4e09\u500b\u95dc\u9375\u5dee\u7570\u3002\u9019\u4e9b\u4e26\u975e\u8a9e\u6cd5\u932f\u8aa4\uff1b\u800c\u662f\u908f\u8f2f\u4e0a\u7684\u907a\u6f0f\uff0c\u53ea\u6709\u5728\u7cfb\u7d71\u8a66\u5716\u5f37\u5236\u57f7\u884c\u95dc\u4fc2\u6642\u624d\u986f\u73fe\u51fa\u4f86\u3002<\/p>\n<h3>1. \u5b64\u5152\u5916\u9375<\/h3>\n<p>ERD\u986f\u793a\u300c<code>\u8a02\u55ae<\/code>\u300d\u8207\u300c<code>\u8a02\u55ae\u9805\u76ee<\/code>\u300d\u4e4b\u9593\u5b58\u5728\u56b4\u683c\u7684\u4e00\u5c0d\u591a\u95dc\u4fc2\u3002\u7136\u800c\uff0c\u5be6\u969b\u8cc7\u6599\u5eab\u4e2d\u5305\u542b\u820a\u8cc7\u6599\uff0c\u5176\u4e2d\u300c<code>\u8a02\u55ae\u9805\u76ee<\/code>\u300d\u5b58\u5728\uff0c\u537b\u6c92\u6709\u5c0d\u61c9\u7684\u300c<code>\u8a02\u55ae<\/code>\u300d\u8a18\u9304\uff0c\u9019\u662f\u56e0\u70ba\u5148\u524d\u7684\u9077\u79fb\u672a\u5f37\u5236\u57f7\u884c\u7d04\u675f\u6240\u81f4\u3002ERD\u4e26\u672a\u8003\u616e\u5230\u9019\u7a2e\u5b64\u5152\u72c0\u614b\u3002\u7576\u9084\u539f\u8173\u672c\u8a66\u5716\u91cd\u65b0\u5efa\u7acb\u5916\u9375\u6642\uff0c\u8cc7\u6599\u5eab\u62d2\u7d55\u4e86\u8cc7\u6599\uff0c\u56e0\u70ba\u7236\u8a18\u9304\u907a\u5931\uff0c\u6216\u7d04\u675f\u7684\u5f37\u5236\u65b9\u5f0f\u8207\u6587\u4ef6\u8a18\u8f09\u4e0d\u540c\u3002<\/p>\n<h3>2. 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\u7a7a\u503c\u7d04\u675f<\/h3>\n<p>ERD\u6307\u51fa\u5e7e\u500b\u6b04\u4f4d\u662f\u53ef\u9078\u7684\uff08\u5141\u8a31\u7a7a\u503c\uff09\u3002\u7136\u800c\uff0c\u751f\u7522\u74b0\u5883\u7684\u8cc7\u6599\u7d50\u69cb\u96a8\u8457\u6642\u9593\u63a8\u79fb\u5df2\u66f4\u65b0\uff0c\u70ba\u78ba\u4fdd\u8cc7\u6599\u54c1\u8cea\u800c\u5f37\u5236\u8981\u6c42\u975e\u7a7a\u503c\u3002ERD\u4e26\u672a\u66f4\u65b0\u4ee5\u53cd\u6620\u6b64\u8b8a\u66f4\u3002\u9084\u539f\u904e\u7a0b\u4e2d\uff0c\u8173\u672c\u8a66\u5716\u5c07NULL\u503c\u63d2\u5165\u975e\u7a7a\u6b04\u4f4d\uff0c\u5c0e\u81f4\u4ea4\u6613\u7acb\u5373\u56de\u6efe\u3002<\/p>\n<p>\u9019\u4e9b\u5dee\u7570\u7a81\u986f\u4e86\u6280\u8853\u6587\u4ef6\u4e2d\u7684\u4e00\u500b\u5e38\u898b\u554f\u984c\uff1a<strong>\u6587\u4ef6\u6f02\u79fb<\/strong>\u3002\u96a8\u8457\u7cfb\u7d71\u7684\u6f14\u9032\uff0c\u6587\u4ef6\u6703\u8b8a\u5f97\u904e\u6642\uff0c\u9020\u6210\u4e00\u7a2e\u932f\u8aa4\u7684\u5b89\u5168\u611f\u3002<\/p>\n<h2>\u6210\u672c\u5206\u6790\uff1a\u6642\u9593\u8207\u6e96\u78ba\u6027\u4e4b\u9593\u7684\u6b0a\u8861 \ud83d\udcb0<\/h2>\n<p>\u4e09\u500b\u5c0f\u6642\u505c\u6a5f\u7684\u8ca1\u52d9\u5f71\u97ff\u76f8\u7576\u91cd\u5927\uff0c\u4f46\u8072\u8b7d\u640d\u5931\u7684\u6210\u672c\u66f4\u9ad8\u3002\u4ee5\u4e0b\u662f\u5ef6\u9072\u671f\u9593\u6240\u6d88\u8017\u8cc7\u6e90\u7684\u8a73\u7d30\u5206\u6790\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u8cc7\u6e90<\/th>\n<th>\u8017\u6642<\/th>\n<th>\u5f71\u97ff<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8cc7\u6df1\u5de5\u7a0b\u5e2b<\/td>\n<td>3\u5c0f\u6642<\/td>\n<td>\u9ad8\u512a\u5148\u7d1a\u5de5\u4f5c\u88ab\u5f9e\u958b\u767c\u4e2d\u8abf\u96e2<\/td>\n<\/tr>\n<tr>\n<td>\u7cfb\u7d71\u505c\u6a5f<\/td>\n<td>3\u5c0f\u6642<\/td>\n<td>\u670d\u52d9\u53ef\u7528\u6027\u964d\u4f4e15%<\/td>\n<\/tr>\n<tr>\n<td>\u8cc7\u6599\u6838\u5c0d<\/td>\n<td>1.5 \u5c0f\u6642<\/td>\n<td>\u9700\u8981\u624b\u52d5\u9a57\u8b49<\/td>\n<\/tr>\n<tr>\n<td>\u6587\u4ef6\u66f4\u65b0<\/td>\n<td>0.5 \u5c0f\u6642<\/td>\n<td>\u4e8b\u4ef6\u5f8c\u8ffd\u8e64<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8a72\u8868\u683c\u986f\u793a\uff0c\u5927\u90e8\u5206\u6210\u672c\u4e26\u975e\u9084\u539f\u672c\u8eab\uff0c\u800c\u662f\u9084\u539f\u7684<em>\u4fee\u6b63<\/em>\u3002\u5982\u679cERD\u6e96\u78ba\u7121\u8aa4\uff0c\u9084\u539f\u904e\u7a0b\u5c07\u4e0d\u6703\u4e2d\u65b7\u3002<\/p>\n<h2>\u6280\u8853\u5206\u6790\uff1a\u70ba\u4f55\u8173\u672c\u5931\u6557 \ud83d\udee0\ufe0f<\/h2>\n<p>\u8981\u7406\u89e3\u932f\u8aa4\u7684\u56b4\u91cd\u6027\uff0c\u6211\u5011\u5fc5\u9808\u89c0\u5bdf\u9084\u539f\u8173\u672c\u8207\u8cc7\u6599\u5eab\u5f15\u64ce\u7684\u4e92\u52d5\u65b9\u5f0f\u3002\u8a72\u8173\u672c\u9075\u5faa\u6a19\u6e96\u6d41\u7a0b\uff1a<\/p>\n<ol>\n<li>\u6839\u64daERD\u5b9a\u7fa9\u5efa\u7acb\u8cc7\u6599\u8868\u3002<\/li>\n<li>\u5957\u7528\u7d04\u675f\u689d\u4ef6\uff08\u4e3b\u9375\u3001\u5916\u9375\uff09\u3002<\/li>\n<p>3. \u63d2\u5165\u8cc7\u6599\u3002<\/p>\n<li>\u9a57\u8b49\u5b8c\u6574\u6027\u3002<\/li>\n<\/ol>\n<p>\u7576\u8173\u672c\u57f7\u884c\u5230\u7b2c\u4e8c\u6b65\u6642\uff0c\u8a66\u5716\u5efa\u7acb\u4e00\u500b\u5916\u9375\u7d04\u675f\uff0c\u5c07<code>\u8cc7\u6599\u8868A<\/code>\u9023\u7d50\u81f3<code>\u8cc7\u6599\u8868B<\/code>\u3002\u8cc7\u6599\u5eab\u5f15\u64ce\u6383\u63cf<code>\u8cc7\u6599\u8868B<\/code>\u4ee5\u67e5\u627e\u73fe\u6709\u8cc7\u6599\u3002\u767c\u73fe\u5b58\u5728\u9055\u53cd\u7d04\u675f\u7684\u8a18\u9304\uff0c\u56e0\u70ba\u7f3a\u5c11\u7236\u9375\u3002\u7531\u65bc\u8173\u672c\u8a2d\u8a08\u70ba\u53ef\u91cd\u8907\u57f7\u884c\u4e14\u5b89\u5168\uff0c\u56e0\u6b64\u9078\u64c7\u505c\u6b62\uff0c\u800c\u975e\u7834\u58de\u8cc7\u6599\u3002\u6b64\u5b89\u5168\u6a5f\u5236\u96d6\u6709\u5229\u65bc\u8cc7\u6599\u5b8c\u6574\u6027\uff0c\u537b\u6210\u70ba\u5fa9\u539f\u6642\u9593\u8ef8\u7684\u963b\u7919\u3002<\/p>\n<p>\u8173\u672c\u7121\u6cd5\u7e7c\u7e8c\u57f7\u884c\uff0c\u76f4\u5230<code>\u8cc7\u6599\u8868B<\/code>\u7684\u8cc7\u6599\u88ab\u6e05\u7406\u70ba\u6b62\u3002\u6e05\u7406\u8cc7\u6599\u9700\u8981\uff1a<\/p>\n<ul>\n<li>\u8b58\u5225\u5b64\u7acb\u7684\u8a18\u9304\u3002<\/li>\n<li>\u6c7a\u5b9a\u662f\u522a\u9664\u5b83\u5011\uff0c\u9084\u662f\u5efa\u7acb\u865b\u64ec\u7684\u7236\u8a18\u9304\u3002<\/li>\n<li>\u624b\u52d5\u57f7\u884c\u6e05\u7406\u4f5c\u696d\u3002<\/li>\n<li>\u91cd\u65b0\u57f7\u884c\u7d04\u675f\u5efa\u7acb\u3002<\/li>\n<\/ul>\n<p>\u6b64\u93c8\u689d\u4e2d\u7684\u6bcf\u4e00\u6b65\u90fd\u6703\u589e\u52a0\u6642\u9593\u3002ERD \u61c9\u8a72\u5728\u8a2d\u8a08\u968e\u6bb5\u5c31\u6a19\u793a\u51fa\u6578\u64da\u5b64\u7acb\u7684\u6f5b\u5728\u98a8\u96aa\uff0c\u5f9e\u800c\u4fc3\u4f7f\u5236\u5b9a\u6578\u64da\u9077\u79fb\u7b56\u7565\uff0c\u800c\u975e\u50c5\u50c5\u9032\u884c\u7c21\u55ae\u7684\u67b6\u69cb\u8907\u88fd\u3002<\/p>\n<h2>\u7d93\u9a57\u6559\u8a13\uff1a\u5f37\u5316\u67b6\u69cb\u751f\u547d\u5468\u671f \ud83d\udd04<\/h2>\n<p>\u4e8b\u4ef6\u767c\u751f\u5f8c\uff0c\u6211\u5011\u555f\u52d5\u4e86\u5c0d\u67b6\u69cb\u7ba1\u7406\u6d41\u7a0b\u7684\u56b4\u683c\u5be9\u67e5\u3002\u6211\u5011\u610f\u8b58\u5230\uff0c\u50c5\u4f9d\u8cf4\u975c\u614b\u6587\u4ef6\u9032\u884c\u707d\u96e3\u6062\u5fa9\u662f\u4e0d\u5920\u7684\u3002\u6211\u5011\u9700\u8981\u4e00\u7a2e\u52d5\u614b\u4e14\u5177\u7248\u672c\u63a7\u5236\u7684\u67b6\u69cb\u8a2d\u8a08\u65b9\u6cd5\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u6b64\u6b21\u4e8b\u4ef6\u4e2d\u7684\u95dc\u9375\u6559\u8a13\uff1a<\/p>\n<ul>\n<li><strong>\u6587\u4ef6\u5373\u7a0b\u5f0f\u78bc\uff1a<\/strong> ERD \u4e0d\u662f\u7368\u7acb\u7684\u7522\u7269\uff1b\u5b83\u662f\u7a0b\u5f0f\u78bc\u5eab\u7684\u4e00\u90e8\u5206\u3002\u5b83\u5fc5\u9808\u7d93\u6b77\u8207\u61c9\u7528\u908f\u8f2f\u76f8\u540c\u7684\u7248\u672c\u63a7\u5236\u548c\u5be9\u67e5\u6d41\u7a0b\u3002<\/li>\n<li><strong>\u67b6\u69cb\u504f\u79fb\u6aa2\u6e2c\uff1a<\/strong> \u6211\u5011\u5be6\u65bd\u4e86\u81ea\u52d5\u5316\u5de5\u5177\uff0c\u5c07\u5be6\u969b\u904b\u884c\u7684\u8cc7\u6599\u5eab\u67b6\u69cb\u8207\u7248\u672c\u5316\u7684 ERD \u9032\u884c\u6bd4\u5c0d\u3002\u4efb\u4f55\u504f\u5dee\u90fd\u6703\u7acb\u5373\u89f8\u767c\u8b66\u544a\u3002<\/li>\n<li><strong>\u6062\u5fa9\u6e2c\u8a66\uff1a<\/strong> \u6211\u5011\u73fe\u5728\u6bcf\u5b63\u5ea6\u5728\u6c99\u76d2\u74b0\u5883\u4e2d\u57f7\u884c\u6062\u5fa9\u6f14\u7df4\u3002\u9019\u78ba\u4fdd\u4e86 ERD \u80fd\u6e96\u78ba\u53cd\u6620\u6062\u5fa9\u8def\u5f91\u3002<\/li>\n<li><strong>\u7d04\u675f\u653e\u5bec\uff1a<\/strong> \u6211\u5011\u8abf\u6574\u4e86\u9084\u539f\u8173\u672c\uff0c\u4f7f\u5176\u5728\u521d\u59cb\u8cc7\u6599\u8f09\u5165\u671f\u9593\u66ab\u6642\u505c\u7528\u5916\u9375\u7d04\u675f\uff0c\u50c5\u5728\u6240\u6709\u8cc7\u6599\u9a57\u8b49\u5b8c\u6210\u5f8c\u518d\u91cd\u65b0\u555f\u7528\u3002<\/li>\n<\/ul>\n<h2>ERD \u7dad\u8b77\u7684\u6700\u4f73\u5be6\u52d9 \ud83d\udcdd<\/h2>\n<p>\u70ba\u907f\u514d\u672a\u4f86\u518d\u6b21\u5ef6\u9072\uff0c\u6211\u5011\u5df2\u63a1\u7528\u4e00\u7d44\u7dad\u8b77\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u6700\u4f73\u5be6\u52d9\u3002\u9019\u4e9b\u6b65\u9a5f\u78ba\u4fdd\u85cd\u5716\u5728\u7cfb\u7d71\u6574\u500b\u751f\u547d\u5468\u671f\u4e2d\u59cb\u7d42\u4fdd\u6301\u6709\u6548\u3002<\/p>\n<h3>1. \u5716\u8868\u7684\u7248\u672c\u63a7\u5236<\/h3>\n<p>\u5c07 ERD \u6a94\u6848\u8207\u539f\u59cb\u78bc\u5b58\u653e\u5728\u540c\u4e00\u7a0b\u5f0f\u78bc\u5009\u5eab\u4e2d\u3002\u6bcf\u6b21\u767c\u884c\u90fd\u61c9\u52a0\u4e0a\u5c0d\u61c9\u7684\u5716\u8868\u7248\u672c\u6a19\u7c64\u3002\u9019\u8b93\u5de5\u7a0b\u5e2b\u80fd\u5728\u4efb\u4f55\u6642\u523b\u53d6\u5f97\u67b6\u69cb\u7684\u7cbe\u78ba\u72c0\u614b\u3002<\/p>\n<h3>2. \u81ea\u52d5\u5316\u751f\u6210<\/h3>\n<p>\u53ea\u8981\u6709\u53ef\u80fd\uff0c\u61c9\u76f4\u63a5\u5f9e\u8cc7\u6599\u5eab\u67b6\u69cb\u751f\u6210 ERD\uff0c\u800c\u975e\u624b\u52d5\u7e6a\u88fd\u3002\u9019\u80fd\u964d\u4f4e\u4eba\u70ba\u932f\u8aa4\u7684\u6a5f\u7387\uff0c\u4e26\u78ba\u4fdd\u5716\u8868\u59cb\u7d42\u8207\u5be6\u969b\u60c5\u6cc1\u4e00\u81f4\u3002<\/p>\n<h3>3. \u5b9a\u671f\u5be9\u67e5<\/h3>\n<p>\u6bcf\u5b63\u5b89\u6392\u4e00\u6b21 ERD \u5be9\u67e5\u3002\u5c07\u5716\u8868\u8207\u751f\u7522\u74b0\u5883\u9032\u884c\u6bd4\u5c0d\uff0c\u4e26\u8a18\u9304\u4efb\u4f55\u5728\u6a19\u6e96\u90e8\u7f72\u6d41\u7a0b\u4e4b\u5916\u6240\u505a\u7684\u8b8a\u66f4\u3002<\/p>\n<h3>4. \u5305\u542b\u8cc7\u6599\u9077\u79fb\u8a3b\u89e3<\/h3>\n<p>ERD \u4e0d\u50c5\u61c9\u986f\u793a\u8868\u683c\uff0c\u9084\u61c9\u5448\u73fe\u8cc7\u6599\u7684\u6b77\u53f2\u3002\u4ee5\u8a3b\u89e3\u6a19\u793a\u53ef\u80fd\u5b64\u7acb\u6216\u904e\u6642\u7684\u8cc7\u6599\u3002\u9019\u8b93\u6062\u5fa9\u5718\u968a\u80fd\u9810\u671f\u5230\u7570\u5e38\u60c5\u6cc1\u3002<\/p>\n<h3>5. \u5728 Sprint \u898f\u5283\u671f\u9593\u5be9\u67e5<\/h3>\n<p>\u7576\u65b0\u529f\u80fd\u9700\u8981\u8cc7\u6599\u5eab\u8b8a\u66f4\u6642\uff0cERD \u5fc5\u9808\u5728\u540c\u4e00\u5f35\u5de5\u55ae\u4e2d\u66f4\u65b0\u3002\u4e0d\u5f97\u5141\u8a31\u5728\u6c92\u6709\u76f8\u61c9\u5716\u8868\u66f4\u65b0\u7684\u60c5\u6cc1\u4e0b\u90e8\u7f72\u67b6\u69cb\u8b8a\u66f4\u3002<\/p>\n<h2>\u6280\u8853\u932f\u8aa4\u4e2d\u7684\u4eba\u6027\u56e0\u7d20 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