{"id":1662,"date":"2026-04-06T16:52:31","date_gmt":"2026-04-06T16:52:31","guid":{"rendered":"https:\/\/www.viz-note.com\/cn\/refactoring-overgrown-erd-without-data-loss\/"},"modified":"2026-04-06T16:52:31","modified_gmt":"2026-04-06T16:52:31","slug":"refactoring-overgrown-erd-without-data-loss","status":"publish","type":"post","link":"https:\/\/www.viz-note.com\/cn\/refactoring-overgrown-erd-without-data-loss\/","title":{"rendered":"\u91cd\u6784\u81c3\u80bf\u5b9e\u4f53\u5173\u7cfb\u56fe\u800c\u4e0d\u4e22\u5931\u6570\u636e\u7684\u5feb\u901f\u5165\u95e8\u6307\u5357"},"content":{"rendered":"<p>\u6570\u636e\u5e93\u6a21\u5f0f\u662f\u52a8\u6001\u7684\u4ea7\u7269\u3002\u5b83\u4eec\u968f\u7740\u6240\u652f\u6301\u7684\u4e1a\u52a1\u903b\u8f91\u4e00\u540c\u6f14\u8fdb\u3002\u968f\u7740\u65f6\u95f4\u63a8\u79fb\uff0c\u968f\u7740\u9700\u6c42\u53d8\u5316\u548c\u65b0\u529f\u80fd\u7684\u5f15\u5165\uff0c\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u5f80\u5f80\u53d8\u5f97\u590d\u6742\u3002\u8fd9\u79cd\u590d\u6742\u6027\u5728\u89c6\u89c9\u4e0a\u8868\u73b0\u4e3a\u4e00\u4e2a\u8fc7\u5ea6\u81a8\u80c0\u7684\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u3002\u81a8\u80c0\u7684ERD\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3001\u7ef4\u62a4\u56f0\u96be\uff0c\u5e76\u589e\u52a0\u6570\u636e\u5b8c\u6574\u6027\u95ee\u9898\u7684\u98ce\u9669\u3002<\/p>\n<p>\u91cd\u6784\u8fd9\u4e9b\u56fe\u8868\u4e0d\u4ec5\u4ec5\u662f\u5916\u89c2\u4e0a\u7684\u7f8e\u5316\u3002\u5b83\u662f\u4e00\u79cd\u9700\u8981\u7cbe\u51c6\u64cd\u4f5c\u7684\u7ed3\u6784\u6027\u5e72\u9884\u3002\u4e3b\u8981\u76ee\u6807\u662f\u5728\u8f6c\u6362\u8fc7\u7a0b\u4e2d\u786e\u4fdd\u6570\u636e\u7edd\u5bf9\u4e0d\u4e22\u5931\u6216\u635f\u574f\u7684\u540c\u65f6\uff0c\u7b80\u5316\u6a21\u5f0f\u7ed3\u6784\u3001\u63d0\u5347\u53ef\u8bfb\u6027\uff0c\u5e76\u4f18\u5316\u67e5\u8be2\u6027\u80fd\u3002\u672c\u6307\u5357\u63d0\u4f9b\u4e86\u4e00\u79cd\u7cfb\u7edf\u5316\u7684\u65b9\u6cd5\u6765\u7ba1\u7406\u8fd9\u4e00\u8fc7\u7a0b\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Whimsical infographic illustrating a step-by-step guide to refactoring overgrown Entity Relationship Diagrams without data loss, featuring a garden metaphor with tangled database vines transforming into an organized schema, highlighting preparation phases, normalization techniques (1NF-3NF), data integrity safeguards, common pitfalls with solutions, and post-refactoring validation checkpoints in a playful hand-drawn style.\" decoding=\"async\" src=\"https:\/\/www.viz-note.com\/wp-content\/uploads\/2026\/04\/whimsical-erd-refactoring-guide-infographic-16x9-1.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83d\udcc9 \u4e3a\u4ec0\u4e48ERD\u4f1a\u53d8\u5f97\u96be\u4ee5\u7ba1\u7406<\/h2>\n<p>\u7406\u89e3\u6a21\u5f0f\u81a8\u80c0\u7684\u6839\u672c\u539f\u56e0\uff0c\u662f\u89e3\u51b3\u95ee\u9898\u7684\u7b2c\u4e00\u6b65\u3002\u4e00\u4e2a\u5728\u7f3a\u4e4f\u6cbb\u7406\u7684\u60c5\u51b5\u4e0b\u81ea\u7136\u751f\u957f\u7684ERD\u901a\u5e38\u4f1a\u8868\u73b0\u51fa\u7279\u5b9a\u75c7\u72b6\u3002\u8bc6\u522b\u8fd9\u4e9b\u6a21\u5f0f\uff0c\u6709\u52a9\u4e8e\u8fdb\u884c\u6709\u9488\u5bf9\u6027\u7684\u5e72\u9884\u3002<\/p>\n<ul>\n<li><strong>\u5197\u4f59\u5217\uff1a<\/strong>\u76f8\u540c\u7684\u6570\u636e\u70b9\u88ab\u5b58\u50a8\u5728\u591a\u4e2a\u8868\u4e2d\u3002\u8fd9\u4f1a\u5bfc\u81f4\u540c\u6b65\u96be\u9898\uff0c\u5373\u66f4\u65b0\u4e00\u4e2a\u5b9e\u4f8b\u65f6\uff0c\u53e6\u4e00\u4e2a\u5b9e\u4f8b\u4e0d\u4f1a\u968f\u4e4b\u66f4\u65b0\u3002<\/li>\n<li><strong>\u8fc7\u5ea6\u53cd\u89c4\u8303\u5316\uff1a<\/strong>\u867d\u7136\u53cd\u89c4\u8303\u5316\u80fd\u63d0\u5347\u8bfb\u53d6\u901f\u5ea6\uff0c\u4f46\u8fc7\u5ea6\u4f7f\u7528\u4f1a\u4f7f\u5199\u5165\u64cd\u4f5c\u590d\u6742\u5316\uff0c\u5e76\u589e\u52a0\u5b58\u50a8\u5f00\u9500\u3002<\/li>\n<li><strong>\u5f31\u5173\u7cfb\uff1a<\/strong>\u591a\u5bf9\u591a\u5173\u7cfb\u901a\u5e38\u4f7f\u7528\u5305\u542b\u591a\u4e2a\u5916\u952e\u7684\u5355\u4e2a\u8868\u6765\u5b9e\u73b0\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u6b63\u786e\u7684\u5173\u8054\u8868\u3002<\/li>\n<li><strong>\u9690\u5f0f\u4e1a\u52a1\u903b\u8f91\uff1a<\/strong>\u6570\u636e\u7c7b\u578b\u548c\u7ea6\u675f\u53ef\u80fd\u4f9d\u8d56\u4e8e\u5e94\u7528\u5c42\u7684\u68c0\u67e5\uff0c\u800c\u975e\u6570\u636e\u5e93\u5c42\u7684\u5f3a\u5236\u6267\u884c\uff0c\u8fd9\u4f7f\u5f97\u6a21\u5f0f\u53d8\u5f97\u8106\u5f31\u3002<\/li>\n<li><strong>\u5b64\u7acb\u7684\u5b9e\u4f53\uff1a<\/strong>\u5b58\u5728\u4e00\u4e9b\u8868\u4e0d\u518d\u88ab\u4efb\u4f55\u6d3b\u8dc3\u7684\u5e94\u7528\u6a21\u5757\u5f15\u7528\uff0c\u4f46\u4ecd\u4fdd\u7559\u5728\u7269\u7406\u5b58\u50a8\u4e2d\u3002<\/li>\n<\/ul>\n<p>\u5f53\u8fd9\u4e9b\u56e0\u7d20\u7d2f\u79ef\u65f6\uff0cERD\u5c31\u4f1a\u53d8\u6210\u4e00\u56e2\u4e71\u9ebb\u3002\u53ef\u89c6\u5316\u5173\u7cfb\u53d8\u5f97\u56f0\u96be\uff0c\u4efb\u4f55\u4fee\u6539\u8fc7\u7a0b\u4e2d\u5f15\u5165\u9519\u8bef\u7684\u98ce\u9669\u4e5f\u4f1a\u5448\u6307\u6570\u7ea7\u589e\u957f\u3002<\/p>\n<h2>\ud83d\udee1\ufe0f \u4e3a\u6a21\u5f0f\u53d8\u66f4\u505a\u51c6\u5907<\/h2>\n<p>\u5728\u4fee\u6539\u4efb\u4f55\u4e00\u6761DDL\uff08\u6570\u636e\u5b9a\u4e49\u8bed\u8a00\uff09\u4e4b\u524d\uff0c\u5fc5\u987b\u8fdb\u884c\u4e25\u683c\u7684\u51c6\u5907\u9636\u6bb5\u3002\u8be5\u9636\u6bb5\u53ef\u6700\u5927\u9650\u5ea6\u964d\u4f4e\u98ce\u9669\uff0c\u5e76\u786e\u4fdd\u5728\u51fa\u73b0\u95ee\u9898\u65f6\u80fd\u591f\u56de\u6eda\u3002<\/p>\n<h3>1. \u5168\u9762\u7684\u5907\u4efd\u7b56\u7565<\/h3>\n<p>\u6570\u636e\u5b89\u5168\u81f3\u5173\u91cd\u8981\u3002\u5907\u4efd\u4e0d\u4ec5\u4ec5\u662f\u6587\u4ef6\uff1b\u5b83\u662f\u4e00\u4e2a\u9a8c\u8bc1\u70b9\u3002<\/p>\n<ul>\n<li><strong>\u903b\u8f91\u5907\u4efd\uff1a<\/strong>\u4ee5\u4eba\u7c7b\u53ef\u8bfb\u7684\u683c\u5f0f\uff08\u5982SQL\u8f6c\u50a8\uff09\u5bfc\u51fa\u6a21\u5f0f\u5b9a\u4e49\u548c\u6570\u636e\u3002<\/li>\n<li><strong>\u7269\u7406\u5feb\u7167\uff1a<\/strong>\u5982\u679c\u5e73\u53f0\u652f\u6301\uff0c\u521b\u5efa\u5b58\u50a8\u5377\u5728\u67d0\u4e00\u65f6\u95f4\u70b9\u7684\u5feb\u7167\u3002<\/li>\n<li><strong>\u53ea\u8bfb\u526f\u672c\uff1a<\/strong>\u5982\u679c\u53ef\u80fd\uff0c\u542f\u52a8\u751f\u4ea7\u73af\u5883\u7684\u526f\u672c\u3002\u9996\u5148\u5728\u6b64\u5904\u6267\u884c\u6240\u6709\u6d4b\u8bd5\u548c\u8fc1\u79fb\u811a\u672c\u3002<\/li>\n<\/ul>\n<h3>2. \u4f9d\u8d56\u5173\u7cfb\u6620\u5c04<\/h3>\n<p>\u8868\u5e76\u975e\u5b64\u7acb\u5b58\u5728\u3002\u6bcf\u4e2a\u5b9e\u4f53\u90fd\u4f1a\u88ab\u5e94\u7528\u4ee3\u7801\u3001\u5b58\u50a8\u8fc7\u7a0b\u6216\u5916\u90e8\u62a5\u544a\u5de5\u5177\u5f15\u7528\u3002\u4f60\u5fc5\u987b\u8bc6\u522b\u51fa\u6570\u636e\u7684\u6bcf\u4e00\u4e2a\u4f7f\u7528\u8005\u3002<\/p>\n<ul>\n<li>\u5ba1\u67e5\u5e94\u7528\u4ee3\u7801\u4e2d\u5bf9\u8868\u7684\u76f4\u63a5\u5f15\u7528\u3002<\/li>\n<li>\u68c0\u67e5\u662f\u5426\u5b58\u5728\u4f9d\u8d56\u4e8e\u7279\u5b9a\u5217\u7684\u89c6\u56fe\u6216\u7269\u5316\u89c6\u56fe\u3002<\/li>\n<li>\u8bc6\u522b\u4efb\u4f55\u8ba1\u5212\u4efb\u52a1\u6216ETL\uff08\u63d0\u53d6\u3001\u8f6c\u6362\u3001\u52a0\u8f7d\uff09\u6d41\u7a0b\uff0c\u8fd9\u4e9b\u6d41\u7a0b\u4ece\u53d7\u5f71\u54cd\u7684\u8868\u4e2d\u5bfc\u5165\u6216\u5bfc\u51fa\u6570\u636e\u3002<\/li>\n<\/ul>\n<h3>3. \u5f71\u54cd\u5206\u6790<\/h3>\n<p>\u8bb0\u5f55\u5f53\u524d\u72b6\u6001\u3002\u5efa\u7acb\u884c\u6570\u3001\u6570\u636e\u5206\u5e03\u548c\u67e5\u8be2\u6267\u884c\u65f6\u95f4\u7684\u57fa\u7ebf\u3002\u8be5\u57fa\u7ebf\u4f7f\u60a8\u80fd\u591f\u5728\u91cd\u6784\u524d\u540e\u5bf9\u6bd4\u7cfb\u7edf\u72b6\u6001\uff0c\u4ee5\u786e\u4fdd\u4e00\u81f4\u6027\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u68c0\u67e5\u6e05\u5355\u9879\u76ee<\/th>\n<th>\u4f18\u5148\u7ea7<\/th>\n<th>\u5907\u6ce8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u9a8c\u8bc1\u5907\u4efd\u5b8c\u6574\u6027<\/td>\n<td>\u9ad8<\/td>\n<td>\u786e\u4fdd\u6821\u9a8c\u548c\u4e0e\u6e90\u6570\u636e\u5339\u914d<\/td>\n<\/tr>\n<tr>\n<td>\u6620\u5c04\u6240\u6709\u5916\u952e<\/td>\n<td>\u9ad8<\/td>\n<td>\u8bb0\u5f55\u7236-\u5b50\u5173\u7cfb<\/td>\n<\/tr>\n<tr>\n<td>\u8bc6\u522b\u6d3b\u8dc3\u67e5\u8be2<\/td>\n<td>\u4e2d<\/td>\n<td>\u4f7f\u7528\u67e5\u8be2\u65e5\u5fd7\u67e5\u627e\u9ad8\u8d1f\u8f7d\u67e5\u8be2<\/td>\n<\/tr>\n<tr>\n<td>\u5ba1\u67e5\u8bbf\u95ee\u63a7\u5236<\/td>\n<td>\u4e2d<\/td>\n<td>\u786e\u4fdd\u6743\u9650\u5728\u8fc1\u79fb\u540e\u4ecd\u7136\u6709\u6548<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udd04 \u91cd\u6784\u65b9\u6cd5\u8bba<\/h2>\n<p>\u91cd\u6784\u7684\u6838\u5fc3\u5728\u4e8e\u91cd\u6784\u903b\u8f91\u6a21\u578b\u3002\u8fd9\u901a\u5e38\u901a\u8fc7\u89c4\u8303\u5316\u5b9e\u73b0\uff0c\u5c3d\u7ba1\u4e3a\u4e86\u6027\u80fd\u53ef\u80fd\u4fdd\u7559\u6709\u7b56\u7565\u7684\u53cd\u89c4\u8303\u5316\u3002\u76ee\u6807\u662f\u5b9e\u73b0\u6e05\u6670\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<h3>1. \u5206\u6790\u5f53\u524d\u89c4\u8303\u5316\u7a0b\u5ea6<\/h3>\n<p>\u5927\u591a\u6570\u9057\u7559\u6a21\u5f0f\u672a\u8fbe\u5230\u7b2c\u4e09\u8303\u5f0f\uff083NF\uff09\u3002\u5411\u66f4\u9ad8\u89c4\u8303\u5316\u7a0b\u5ea6\u8fc8\u8fdb\u53ef\u51cf\u5c11\u5197\u4f59\u3002<\/p>\n<ul>\n<li><strong>\u7b2c\u4e00\u8303\u5f0f\uff081NF\uff09\uff1a<\/strong>\u786e\u4fdd\u539f\u5b50\u6027\u3002\u5355\u4e2a\u5355\u5143\u683c\u5185\u4e0d\u5f97\u5b58\u5728\u91cd\u590d\u7ec4\u6216\u591a\u503c\u5c5e\u6027\u3002<\/li>\n<li><strong>\u7b2c\u4e8c\u8303\u5f0f\uff082NF\uff09\uff1a<\/strong>\u6d88\u9664\u90e8\u5206\u4f9d\u8d56\u3002\u786e\u4fdd\u6bcf\u4e2a\u975e\u952e\u5c5e\u6027\u90fd\u5b8c\u5168\u4f9d\u8d56\u4e8e\u4e3b\u952e\u3002<\/li>\n<li><strong>\u7b2c\u4e09\u8303\u5f0f\uff083NF\uff09\uff1a<\/strong>\u6d88\u9664\u4f20\u9012\u4f9d\u8d56\u3002\u975e\u952e\u5c5e\u6027\u5e94\u4ec5\u4f9d\u8d56\u4e8e\u4e3b\u952e\uff0c\u800c\u4e0d\u4f9d\u8d56\u4e8e\u5176\u4ed6\u975e\u952e\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\u89c4\u8303\u5316\u7ea7\u522b<\/th>\n<th>\u5173\u952e\u89c4\u5219<\/th>\n<th>\u4f18\u70b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7b2c\u4e00\u8303\u5f0f<\/td>\n<td>\u4ec5\u539f\u5b50\u503c<\/td>\n<td>\u6d88\u9664\u590d\u6742\u7684\u89e3\u6790\u903b\u8f91<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u4e8c\u8303\u5f0f<\/td>\n<td>\u5b8c\u5168\u4f9d\u8d56\u4e8e\u4e3b\u952e<\/td>\n<td>\u51cf\u5c11\u66f4\u65b0\u5f02\u5e38<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u4e09\u8303\u5f0f<\/td>\n<td>\u65e0\u4f20\u9012\u4f9d\u8d56<\/td>\n<td>\u63d0\u9ad8\u6570\u636e\u4e00\u81f4\u6027<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2. \u5206\u89e3\u5927\u578b\u5b9e\u4f53<\/h3>\n<p>\u5f53\u4e00\u4e2a\u8868\u5305\u542b\u8fc7\u591a\u5217\u65f6\uff0c\u901a\u5e38\u610f\u5473\u7740\u4e0d\u540c\u7684\u4e1a\u52a1\u6982\u5ff5\u88ab\u6df7\u6dc6\u4e86\u3002\u5e94\u5c06\u5b83\u4eec\u62c6\u5206\u4e3a\u72ec\u7acb\u7684\u8868\u3002<\/p>\n<ul>\n<li>\u8bc6\u522b\u63cf\u8ff0\u4e0d\u540c\u5b9e\u4f53\u7684\u5217\u7ec4\uff08\u4f8b\u5982\uff0c\u7528\u6237\u8d44\u6599\u4e0e\u7528\u6237\u504f\u597d\uff09\u3002<\/li>\n<li>\u4e3a\u8be5\u72ec\u7acb\u6982\u5ff5\u521b\u5efa\u4e00\u4e2a\u65b0\u8868\u3002<\/li>\n<li>\u5c06\u76f8\u5173\u5217\u79fb\u52a8\u5230\u65b0\u8868\u4e2d\u3002<\/li>\n<li>\u4f7f\u7528\u5916\u952e\u5efa\u7acb\u4e00\u5bf9\u4e00\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<h3>3. \u89e3\u51b3\u591a\u5bf9\u591a\u5173\u7cfb<\/h3>\n<p>\u4f7f\u7528\u6bcf\u5f20\u8868\u4e2d\u7684\u4e00\u5217\u76f4\u63a5\u8fde\u63a5\u4e24\u5f20\u8868\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u53cd\u6a21\u5f0f\u3002\u8fd9\u5e94\u7531\u4e00\u4e2a\u5173\u8054\u8868\u6765\u66ff\u4ee3\u3002<\/p>\n<ul>\n<li>\u521b\u5efa\u4e00\u4e2a\u65b0\u8868\u4f5c\u4e3a\u6865\u6881\u3002<\/li>\n<li>\u5c06\u4e24\u4e2a\u7236\u8868\u7684\u4e3b\u952e\u4f5c\u4e3a\u5916\u952e\u5305\u542b\u5728\u5173\u8054\u8868\u4e2d\u3002<\/li>\n<li>\u6dfb\u52a0\u5c5e\u4e8e\u5173\u7cfb\u672c\u8eab\u7684\u4efb\u4f55\u7279\u5b9a\u5c5e\u6027\uff08\u4f8b\u5982\uff0c\u5173\u7cfb\u5efa\u7acb\u7684\u65e5\u671f\uff09\u3002<\/li>\n<\/ul>\n<h3>4. \u5904\u7406\u5386\u53f2\u6570\u636e<\/h3>\n<p>\u91cd\u6784\u901a\u5e38\u4f1a\u6539\u53d8\u6570\u636e\u7684\u5b58\u50a8\u65b9\u5f0f\u3002\u5386\u53f2\u8bb0\u5f55\u5fc5\u987b\u88ab\u51c6\u786e\u4fdd\u7559\u3002<\/p>\n<ul>\n<li>\u4e0d\u8981\u7b80\u5355\u5730\u5220\u9664\u65e7\u6570\u636e\u3002\u5b83\u53ef\u80fd\u7528\u4e8e\u5ba1\u8ba1\u8ffd\u8e2a\u6216\u6cd5\u5f8b\u5408\u89c4\u3002<\/li>\n<li>\u5728\u5207\u6362\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u4e4b\u524d\uff0c\u4f7f\u7528\u8fc1\u79fb\u811a\u672c\u5c06\u73b0\u6709\u6570\u636e\u8f6c\u6362\u4e3a\u65b0\u683c\u5f0f\u3002<\/li>\n<li>\u5982\u679c\u65e7\u8868\u4e0d\u518d\u9700\u8981\u4f46\u5fc5\u987b\u4fdd\u7559\u4ee5\u5907\u8bb0\u5f55\uff0c\u5e94\u5c06\u5176\u5f52\u6863\u3002<\/li>\n<\/ul>\n<h2>\u2705 \u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027<\/h2>\n<p>\u5728\u8f6c\u6362\u8fc7\u7a0b\u4e2d\uff0c\u6570\u636e\u635f\u574f\u7684\u98ce\u9669\u6700\u9ad8\u3002\u5b8c\u6574\u6027\u7ea6\u675f\u662f\u4f60\u7684\u5b89\u5168\u7f51\u3002<\/p>\n<h3>1. \u5916\u952e\u7ea6\u675f<\/h3>\n<p>\u5728\u6570\u636e\u5e93\u7ea7\u522b\u5f3a\u5236\u5b9e\u65bd\u53c2\u7167\u5b8c\u6574\u6027\u3002\u8fd9\u53ef\u4ee5\u9632\u6b62\u5b64\u513f\u8bb0\u5f55\uff0c\u5373\u5b50\u8bb0\u5f55\u5f15\u7528\u5df2\u4e0d\u5b58\u5728\u7684\u7236\u8bb0\u5f55\u3002<\/p>\n<ul>\n<li>\u542f\u7528 <code>\u7ea7\u8054<\/code>\u4ec5\u5728\u903b\u8f91\u4e0a\u5fc5\u8981\u65f6\u624d\u66f4\u65b0\u6216\u5220\u9664\u3002<\/li>\n<li>\u4f7f\u7528 <code>\u9650\u5236<\/code> \u6216 <code>\u65e0\u64cd\u4f5c<\/code>\u4ee5\u963b\u6b62\u4f1a\u7834\u574f\u5173\u7cfb\u7684\u66f4\u6539\u3002<\/li>\n<\/ul>\n<h3>2. \u4e8b\u52a1\u7ba1\u7406<\/h3>\n<p>\u5c06\u6240\u6709\u8fc1\u79fb\u6b65\u9aa4\u5305\u88c5\u5728\u4e8b\u52a1\u4e2d\u3002\u8fd9\u786e\u4fdd\u4e86\u6240\u6709\u66f4\u6539\u90fd\u4f1a\u88ab\u5e94\u7528\uff0c\u6216\u8005\u4e00\u4e2a\u90fd\u4e0d\u5e94\u7528\u3002\u90e8\u5206\u66f4\u65b0\u4f1a\u5bfc\u81f4\u72b6\u6001\u4e0d\u4e00\u81f4\u3002<\/p>\n<ul>\n<li>\u5728\u7b2c\u4e00\u4e2a DDL \u547d\u4ee4\u4e4b\u524d\u542f\u52a8\u4e8b\u52a1\u3002<\/li>\n<li>\u53ea\u6709\u5728\u6240\u6709\u9a8c\u8bc1\u68c0\u67e5\u901a\u8fc7\u540e\u624d\u63d0\u4ea4\u3002<\/li>\n<li>\u5982\u679c\u53d1\u751f\u9519\u8bef\uff0c\u7acb\u5373\u56de\u6eda\u3002<\/li>\n<\/ul>\n<h3>3. \u6570\u636e\u9a8c\u8bc1\u811a\u672c<\/h3>\n<p>\u8fc1\u79fb\u5b8c\u6210\u540e\uff0c\u8fd0\u884c\u811a\u672c\u4ee5\u9a8c\u8bc1\u6570\u636e\u3002<\/p>\n<ul>\n<li>\u6bd4\u8f83\u65e7\u8868\u548c\u65b0\u8868\u4e4b\u95f4\u7684\u884c\u6570\u3002<\/li>\n<li>\u5728\u5173\u952e\u5217\u4e0a\u8ba1\u7b97\u6821\u9a8c\u548c\uff0c\u4ee5\u786e\u4fdd\u5b8c\u5168\u5339\u914d\u3002<\/li>\n<li>\u68c0\u67e5\u4e4b\u524d\u4e0d\u53ef\u4e3a\u7a7a\u7684\u5217\u4e2d\u662f\u5426\u5b58\u5728\u7a7a\u503c\u3002<\/li>\n<li>\u9a8c\u8bc1\u6240\u6709\u552f\u4e00\u6027\u7ea6\u675f\u662f\u5426\u90fd\u5df2\u6ee1\u8db3\u3002<\/li>\n<\/ul>\n<h2>\u26a0\ufe0f \u5e38\u89c1\u9677\u9631\u4e0e\u89e3\u51b3\u65b9\u6848<\/h2>\n<p>\u5373\u4f7f\u8ba1\u5212\u5468\u5bc6\uff0c\u95ee\u9898\u4ecd\u53ef\u80fd\u53d1\u751f\u3002\u63d0\u524d\u9884\u89c1\u8fd9\u4e9b\u95ee\u9898\u53ef\u4ee5\u51cf\u5c11\u505c\u673a\u65f6\u95f4\u3002<\/p>\n<h3>1. \u201c\u62c6\u5206\u201d\u95ee\u9898<\/h3>\n<p>\u62c6\u5206\u8868\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u91cd\u590d\u952e\u3002\u5982\u679c\u62c6\u5206\u7684\u662f\u590d\u5408\u952e\uff0c\u8bf7\u786e\u4fdd\u65b0\u952e\u5728\u65b0\u7ed3\u6784\u4e2d\u4ecd\u4fdd\u6301\u552f\u4e00\u6027\u3002<\/p>\n<ul>\n<li><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong> \u4f7f\u7528\u4e34\u65f6\u6682\u5b58\u8868\u5728\u5e94\u7528\u65b0\u67b6\u6784\u4e4b\u524d\u91cd\u65b0\u7ec4\u7ec7\u6570\u636e\u3002<\/li>\n<\/ul>\n<h3>2. \u7d22\u5f15\u6027\u80fd<\/h3>\n<p>\u65b0\u5173\u7cfb\u9700\u8981\u65b0\u7684\u7d22\u5f15\u3002\u5982\u679c\u6ca1\u6709\u7d22\u5f15\uff0c\u5bf9\u65b0\u5173\u8054\u8868\u7684\u67e5\u8be2\u5c06\u53d8\u5f97\u7f13\u6162\u3002<\/p>\n<ul>\n<li><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong> \u5728\u521b\u5efa\u540e\u7acb\u5373\u5728\u5916\u952e\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u3002\u4e0d\u8981\u4ec5\u4f9d\u8d56\u4e3b\u952e\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<h3>3. \u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u4e0d\u5339\u914d<\/h3>\n<p>\u6570\u636e\u5e93\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u4f46\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u5e76\u672a\u7acb\u5373\u66f4\u65b0\u3002\u8fd9\u4f1a\u5bfc\u81f4\u8fd0\u884c\u65f6\u9519\u8bef\u3002<\/p>\n<ul>\n<li><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong> \u5728\u8fc7\u6e21\u671f\u95f4\u5b9e\u65bd\u529f\u80fd\u6807\u5fd7\u6216\u53cc\u5199\u7b56\u7565\u3002\u5141\u8bb8\u65e7\u7684\u548c\u65b0\u7684\u6570\u636e\u7ed3\u6784\u77ed\u6682\u5171\u5b58\u3002<\/li>\n<\/ul>\n<h3>4. \u6570\u636e\u7c7b\u578b\u4e0d\u5339\u914d<\/h3>\n<p>\u91cd\u6784\u901a\u5e38\u6d89\u53ca\u66f4\u6539\u6570\u636e\u7c7b\u578b\uff08\u4f8b\u5982\uff0cVARCHAR \u8f6c\u4e3a INT\uff09\u3002\u5982\u679c\u8981\u8f6c\u6362\u7684\u5b57\u6bb5\u4e2d\u5305\u542b\u975e\u6570\u5b57\u5b57\u7b26\uff0c\u8fc1\u79fb\u5c06\u5931\u8d25\u3002<\/p>\n<ul>\n<li><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong> \u5728\u8fc1\u79fb\u524d\u7684\u6b65\u9aa4\u4e2d\u6e05\u7406\u6570\u636e\u3002\u521b\u5efa\u65e0\u6548\u6570\u636e\u7684\u62a5\u544a\u4ee5\u4f9b\u4eba\u5de5\u5ba1\u67e5\u3002<\/li>\n<\/ul>\n<h2>\ud83d\ude80 \u91cd\u6784\u540e\u9a8c\u8bc1<\/h2>\n<p>\u8fc1\u79fb\u811a\u672c\u5b8c\u6210\u540e\uff0c\u5de5\u4f5c\u5e76\u672a\u7ed3\u675f\u3002\u7cfb\u7edf\u5fc5\u987b\u5728\u7c7b\u4f3c\u751f\u4ea7\u73af\u5883\u7684\u73af\u5883\u4e2d\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5\uff1a<\/strong> \u8fd0\u884c\u57fa\u7ebf\u68c0\u67e5\u4e2d\u4f7f\u7528\u7684\u76f8\u540c\u67e5\u8be2\u96c6\u3002\u6bd4\u8f83\u6267\u884c\u65f6\u95f4\u548c\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u3002<\/li>\n<li><strong>\u7528\u6237\u9a8c\u6536\u6d4b\u8bd5\uff1a<\/strong> \u8ba9\u5e94\u7528\u7a0b\u5e8f\u7528\u6237\u6267\u884c\u6807\u51c6\u5de5\u4f5c\u6d41\u7a0b\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u5728\u7528\u6237\u754c\u9762\u4e2d\u6b63\u786e\u663e\u793a\u3002<\/li>\n<li><strong>\u76d1\u63a7\u8bbe\u7f6e\uff1a<\/strong> \u4e3a\u6d89\u53ca\u7684\u7279\u5b9a\u8868\u542f\u7528\u589e\u5f3a\u7684\u65e5\u5fd7\u8bb0\u5f55\u548c\u76d1\u63a7\u3002\u5173\u6ce8\u9519\u8bef\u6fc0\u589e\u6216\u5ef6\u8fdf\u589e\u52a0\u7684\u60c5\u51b5\u3002<\/li>\n<li><strong>\u6587\u6863\u66f4\u65b0\uff1a<\/strong> \u66f4\u65b0\u5b9e\u4f53\u5173\u7cfb\u56fe\u3001\u6570\u636e\u5b57\u5178\u548cAPI\u6587\u6863\uff0c\u4ee5\u53cd\u6620\u65b0\u7684\u7ed3\u6784\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udcdd 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