![\"Whimsical](\"https:\/\/www.viz-read.com\/wp-content\/uploads\/2026\/03\/7-erd-mistakes-database-design-whimsical-infographic.jpg\"\/)
<\/figure>\n<\/div>\n1. \u7f3a\u5931\u6216\u8584\u5f31\u7684\u4e3b\u952e \ud83d\udd11<\/h2>\n
\u4e3b\u952e\u662f\u8868\u4e2d\u8bb0\u5f55\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002\u5b83\u662f\u786e\u4fdd\u6bcf\u4e00\u884c\u90fd\u5177\u6709\u552f\u4e00\u6027\u4e14\u53ef\u68c0\u7d22\u7684\u951a\u70b9\u3002\u7701\u7565\u4e3b\u952e\u6216\u8bbe\u8ba1\u4e0d\u5f53\u662f\u6570\u636e\u5e93\u67b6\u6784\u4e2d\u6700\u57fa\u672c\u7684\u9519\u8bef\u4e4b\u4e00\u3002<\/p>\n
\u6280\u672f\u540e\u679c<\/h3>\n\n- \u6570\u636e\u91cd\u590d\uff1a<\/strong> \u6ca1\u6709\u552f\u4e00\u6027\u7ea6\u675f\uff0c\u6570\u636e\u5e93\u65e0\u6cd5\u9632\u6b62\u91cd\u590d\u8bb0\u5f55\u3002\u8fd9\u4f1a\u5bfc\u81f4\u62a5\u544a\u4e0d\u4e00\u81f4\u548c\u6570\u636e\u5b8c\u6574\u6027\u95ee\u9898\u3002<\/li>\n
- \u8fde\u63a5\u6027\u80fd\uff1a<\/strong> \u5916\u952e\u5173\u7cfb\u4f9d\u8d56\u4e3b\u952e\u8fdb\u884c\u9ad8\u6548\u7d22\u5f15\u3002\u7f3a\u5c11\u6216\u672a\u7d22\u5f15\u7684\u4e3b\u952e\u4f1a\u5bfc\u81f4\u8fde\u63a5\u65f6\u8fdb\u884c\u5168\u8868\u626b\u63cf\uff0c\u5927\u5e45\u964d\u4f4e\u67e5\u8be2\u6267\u884c\u901f\u5ea6\u3002<\/li>\n
- \u66f4\u65b0\u590d\u6742\u6027\uff1a<\/strong> \u5982\u679c\u9700\u8981\u66f4\u65b0\u67d0\u6761\u8bb0\u5f55\uff0c\u7cfb\u7edf\u5fc5\u987b\u4f9d\u8d56\u975e\u552f\u4e00\u5217\u6765\u5b9a\u4f4d\u884c\u3002\u5982\u679c\u6709\u591a\u884c\u5339\u914d\u641c\u7d22\u6761\u4ef6\uff0c\u66f4\u65b0\u53ef\u80fd\u4f1a\u4f5c\u7528\u4e8e\u975e\u9884\u671f\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n
\u907f\u514d\u6b64\u7c7b\u95ee\u9898\u7684\u6700\u4f73\u5b9e\u8df5<\/h3>\n\n- \u4e3a\u6bcf\u4e2a\u8868\u59cb\u7ec8\u5b9a\u4e49\u4e3b\u952e\uff0c\u5373\u4f7f\u770b\u8d77\u6765\u6709\u4e9b\u5197\u4f59\u3002<\/li>\n
- \u4f18\u5148\u4f7f\u7528\u4ee3\u7406\u952e\uff08\u81ea\u589e\u6574\u6570\u6216 UUID\uff09\u800c\u975e\u81ea\u7136\u952e\uff08\u5982\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u6216\u7535\u8bdd\u53f7\u7801\uff09\uff0c\u4ee5\u907f\u514d\u4e1a\u52a1\u903b\u8f91\u53d8\u66f4\u5f71\u54cd\u6a21\u5f0f\u3002<\/li>\n
- \u786e\u4fdd\u4e3b\u952e\u5217\u4e0d\u53ef\u4e3a\u7a7a\u3002<\/li>\n
- \u4ec5\u5f53\u5355\u4e2a\u5217\u65e0\u6cd5\u552f\u4e00\u6807\u8bc6\u4e00\u884c\u65f6\uff08\u4f8b\u5982\u5728\u591a\u5bf9\u591a\u5173\u7cfb\u8868\u4e2d\uff09\u624d\u4f7f\u7528\u590d\u5408\u952e\u3002<\/li>\n<\/ul>\n
2. \u5173\u7cfb\u57fa\u6570\u4e0d\u660e\u786e \ud83d\udd04<\/h2>\n
\u57fa\u6570\u5b9a\u4e49\u4e86\u4e24\u4e2a\u8868\u4e2d\u8bb0\u5f55\u4e4b\u95f4\u7684\u6570\u503c\u5173\u7cfb\u3002\u5e38\u89c1\u7c7b\u578b\u5305\u62ec\u4e00\u5bf9\u4e00\u3001\u4e00\u5bf9\u591a\u548c\u591a\u5bf9\u591a\u3002\u5728\u56fe\u4e2d\u9519\u8bef\u5730\u8868\u793a\u8fd9\u4e9b\u5173\u7cfb\u4f1a\u5bfc\u81f4\u7269\u7406\u6570\u636e\u5e93\u4e2d\u7684\u7ed3\u6784\u4e0d\u5339\u914d\u3002<\/p>\n
\u5e38\u89c1\u9677\u9631<\/h3>\n\n- \u5047\u8bbe\u4e3a\u4e00\u5bf9\u591a\uff1a<\/strong> \u5f53\u5b58\u5728\u591a\u5bf9\u591a\u5173\u7cfb\u65f6\uff0c\u8bbe\u8ba1\u5e08\u5e38\u5e38\u9ed8\u8ba4\u91c7\u7528\u4e00\u5bf9\u591a\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u5b66\u751f\u53ef\u4ee5\u9009\u4fee\u591a\u95e8\u8bfe\u7a0b\uff0c\u4e00\u95e8\u8bfe\u7a0b\u4e5f\u53ef\u4ee5\u6709\u591a\u4e2a\u5b66\u751f\u3002\u5c06\u8fd9\u79cd\u5173\u7cfb\u5efa\u6a21\u4e3a\u4e00\u5bf9\u591a\uff0c\u9700\u8981\u5728\u591a\u4e2a\u8bfe\u7a0b\u884c\u4e2d\u91cd\u590d\u5b66\u751f\u6570\u636e\u3002<\/li>\n
- \u672a\u6807\u6ce8\u7684\u8fde\u7ebf\uff1a<\/strong> ERD \u7684\u8fde\u7ebf\u5e94\u6807\u660e\u57fa\u6570\uff08\u4f8b\u5982\u4e4c\u9e26\u811a\u7b26\u53f7\uff09\u3002\u672a\u6807\u6ce8\u4f1a\u4f7f\u5f00\u53d1\u4eba\u5458\u65e0\u6cd5\u5224\u65ad\u6570\u636e\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/li>\n
- \u5ffd\u7565\u53ef\u7a7a\u6027\uff1a<\/strong> \u5982\u679c\u4e00\u5bf9\u4e00\u5173\u7cfb\u662f\u53ef\u9009\u7684\uff0c\u5916\u952e\u5217\u53ef\u80fd\u5141\u8bb8\u4e3a\u7a7a\u3002\u672a\u80fd\u5efa\u6a21\u6b64\u7ea6\u675f\u4f1a\u5bfc\u81f4\u5b64\u7acb\u8bb0\u5f55\u7684\u4ea7\u751f\u3002<\/li>\n<\/ul>\n
\u6b63\u786e\u7684\u505a\u6cd5<\/h3>\n\n- \u663e\u5f0f\u4f7f\u7528\u8fde\u63a5\u8868\uff08\u5173\u8054\u8868\uff09\u6765\u6620\u5c04\u591a\u5bf9\u591a\u5173\u7cfb\uff0c\u8be5\u8868\u5305\u542b\u4e24\u4e2a\u76f8\u5173\u8868\u7684\u5916\u952e\u3002<\/li>\n
- \u5728\u56fe\u793a\u8fde\u7ebf\u4e2d\u6e05\u6670\u6807\u6ce8\u57fa\u6570\u3002<\/li>\n
- \u5e94\u7528\u6570\u636e\u5e93\u7ea6\u675f\uff08\u5982\u5728\u5916\u952e\u4e0a\u4f7f\u7528 UNIQUE \u7ea6\u675f\uff09\u4ee5\u5f3a\u5236\u6267\u884c\u56fe\u793a\u7684\u903b\u8f91\u3002<\/li>\n<\/ul>\n
\n\n\n\u5173\u7cfb\u7c7b\u578b<\/th>\n \u5b9e\u65bd\u7b56\u7565<\/th>\n \u5e38\u89c1\u9519\u8bef<\/th>\n<\/tr>\n<\/thead>\n \n\n\u4e00\u5bf9\u4e00<\/td>\n \u4e00\u4e2a\u8868\u4e2d\u7684\u5916\u952e\u5e26\u6709\u552f\u4e00\u7ea6\u675f<\/td>\n \u4e0d\u5fc5\u8981\u5730\u5728\u4e24\u4e2a\u8868\u4e2d\u90fd\u6dfb\u52a0\u5916\u952e<\/td>\n<\/tr>\n \n\u4e00\u5bf9\u591a<\/td>\n \u201c\u591a\u201d\u65b9\u8868\u4e2d\u7684\u5916\u952e<\/td>\n \u5c06\u7236\u7ea7\u6570\u636e\u5b58\u50a8\u5728\u5b50\u8868\u4e2d\uff08\u53cd\u89c4\u8303\u5316\uff09<\/td>\n<\/tr>\n \n\u591a\u5bf9\u591a<\/td>\n \u4e2d\u95f4\u5173\u8054\u8868<\/td>\n \u5728\u5355\u4e2a\u9017\u53f7\u5206\u9694\u7684\u5217\u4e2d\u5b58\u50a8\u591a\u4e2aID<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n3. \u5ffd\u89c6\u89c4\u8303\u5316\u6807\u51c6 \ud83d\udcc9<\/h2>\n
\u89c4\u8303\u5316\u662f\u901a\u8fc7\u7ec4\u7ec7\u6570\u636e\u6765\u51cf\u5c11\u5197\u4f59\u5e76\u63d0\u9ad8\u5b8c\u6574\u6027\u7684\u4e00\u4e2a\u8fc7\u7a0b\u3002\u867d\u7136\u4e00\u4e9b\u73b0\u4ee3\u7cfb\u7edf\u4e3a\u4e86\u63d0\u5347\u8bfb\u53d6\u6027\u80fd\u800c\u91c7\u7528\u53cd\u89c4\u8303\u5316\uff0c\u4f46\u5728\u8bbe\u8ba1\u9636\u6bb5\u5b8c\u5168\u8df3\u8fc7\u89c4\u8303\u5316\u4f1a\u5e26\u6765\u5de8\u5927\u7684\u7ef4\u62a4\u8d1f\u62c5\u3002<\/p>\n
\u4e0d\u826f\u89c4\u8303\u5316\u7684\u98ce\u9669<\/h3>\n\n- \u66f4\u65b0\u5f02\u5e38\uff1a<\/strong> \u5982\u679c\u5ba2\u6237\u5730\u5740\u5b58\u50a8\u5728\u4e94\u4e2a\u4e0d\u540c\u7684\u8ba2\u5355\u8868\u4e2d\uff0c\u66f4\u65b0\u5176\u5730\u5740\u9700\u8981\u8fdb\u884c\u4e94\u6b21\u72ec\u7acb\u7684\u66f4\u65b0\u3002\u5982\u679c\u5176\u4e2d\u4e00\u6b21\u66f4\u65b0\u5931\u8d25\uff0c\u6570\u636e\u5c31\u4f1a\u53d8\u5f97\u4e0d\u4e00\u81f4\u3002<\/li>\n
- \u63d2\u5165\u5f02\u5e38\uff1a<\/strong> \u4f60\u53ef\u80fd\u65e0\u6cd5\u5728\u4e0d\u540c\u65f6\u6dfb\u52a0\u4ea7\u54c1\u8bb0\u5f55\u7684\u60c5\u51b5\u4e0b\u65b0\u589e\u4e00\u4e2a\u4ea7\u54c1\u7c7b\u522b\uff0c\u8fd9\u8feb\u4f7f\u4f60\u521b\u5efa\u865a\u5047\u6570\u636e\u3002<\/li>\n
- \u5220\u9664\u5f02\u5e38\uff1a<\/strong> \u5220\u9664\u4e00\u6761\u8bb0\u5f55\u53ef\u80fd\u4f1a\u610f\u5916\u5730\u79fb\u9664\u4e0e\u5176\u4ed6\u5b9e\u4f53\u76f8\u5173\u7684\u5173\u952e\u6570\u636e\u3002<\/li>\n<\/ul>\n
\u5b9e\u65bd\u6307\u5357<\/h3>\n\n- \u4ee5\u7b2c\u4e09\u8303\u5f0f\uff083NF\uff09\u4f5c\u4e3a\u57fa\u51c6\u76ee\u6807\u3002\u8fd9\u80fd\u786e\u4fdd\u5217\u4ec5\u4f9d\u8d56\u4e8e\u4e3b\u952e\u3002<\/li>\n
- \u8bc6\u522b\u4f20\u9012\u4f9d\u8d56\u5173\u7cfb\uff0c\u5373\u975e\u4e3b\u952e\u5217\u4f9d\u8d56\u4e8e\u53e6\u4e00\u4e2a\u975e\u4e3b\u952e\u5217\u3002<\/li>\n
- \u5206\u79bb\u4e0d\u540c\u7684\u5b9e\u4f53\u3002\u5982\u679c\u4e00\u4e2a\u8868\u540c\u65f6\u5305\u542b\u201c\u8ba2\u5355\u201d\u548c\u201c\u5ba2\u6237\u201d\u7684\u4fe1\u606f\uff0c\u5e94\u5c06\u5176\u62c6\u5206\u3002<\/li>\n
- \u4ec5\u5728\u5206\u6790\u67e5\u8be2\u6027\u80fd\u540e\u624d\u8fdb\u884c\u53cd\u89c4\u8303\u5316\u3002\u4e0d\u8981\u4e3a\u4e86\u901f\u5ea6\u800c\u727a\u7272\u5b8c\u6574\u6027\u8fdb\u884c\u8fc7\u65e9\u4f18\u5316\u3002<\/li>\n<\/ul>\n
4. \u521b\u5efa\u5faa\u73af\u4f9d\u8d56 \ud83d\udd01<\/h2>\n
\u5f53\u8868\u4e4b\u95f4\u76f8\u4e92\u5f15\u7528\u5f62\u6210\u5faa\u73af\u65f6\uff0c\u5c31\u4f1a\u4ea7\u751f\u5faa\u73af\u4f9d\u8d56\uff0c\u8fd9\u4f1a\u963b\u6b62\u521d\u59cb\u5316\u6216\u5bfc\u81f4\u67e5\u8be2\u51fa\u73b0\u65e0\u9650\u9012\u5f52\u3002\u867d\u7136\u9012\u5f52\u5173\u7cfb\uff08\u5982\u5458\u5de5\u4e0e\u5176\u7ecf\u7406\u4e4b\u95f4\u7684\u7ec4\u7ec7\u67b6\u6784\u56fe\uff09\u662f\u6709\u6548\u7684\uff0c\u4f46\u4e0d\u53d7\u63a7\u5236\u7684\u5faa\u73af\u5916\u952e\u53ef\u80fd\u4f1a\u7834\u574f\u6570\u636e\u5e93\u3002<\/p>\n
\u4e3a\u4f55\u8fd9\u4f1a\u7834\u574f\u7cfb\u7edf<\/h3>\n\n- \u521d\u59cb\u5316\u9519\u8bef\uff1a<\/strong> \u5728\u90e8\u7f72\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u5b58\u5728\u5faa\u73af\u5f15\u7528\uff08\u4f8b\u5982\uff0c\u8868 A \u5f15\u7528 B\uff0c\u800c B \u53c8\u5f15\u7528 A\uff09\uff0c\u6570\u636e\u5e93\u5f15\u64ce\u53ef\u80fd\u4f1a\u62d2\u7edd\u521b\u5efa\u5916\u952e\u7ea6\u675f\uff0c\u9664\u975e\u4f7f\u7528\u5ef6\u8fdf\u7ea6\u675f\u6765\u5904\u7406\u3002<\/li>\n
- \u67e5\u8be2\u6808\u6ea2\u51fa\uff1a<\/strong> \u65e0\u6cd5\u8bbe\u7f6e\u505c\u6b62\u6761\u4ef6\u7684\u9012\u5f52\u67e5\u8be2\u5728\u904d\u5386\u8fd9\u4e9b\u5faa\u73af\u65f6\u53ef\u80fd\u4f1a\u6d88\u8017\u6240\u6709\u53ef\u7528\u5185\u5b58\u3002<\/li>\n
- \u5f15\u7528\u5b8c\u6574\u6027\u8fdd\u89c4\uff1a<\/strong> \u5982\u679c\u5b50\u8868\u672a\u88ab\u6e05\u9664\uff0c\u5220\u9664\u7236\u8868\u53ef\u80fd\u4f1a\u5931\u8d25\uff1b\u4f46\u6e05\u9664\u5b50\u8868\u4e5f\u53ef\u80fd\u56e0\u5176\u4ed6\u4f9d\u8d56\u5173\u7cfb\u800c\u5931\u8d25\u3002<\/li>\n<\/ul>\n
\u5982\u4f55\u89e3\u51b3<\/h3>\n\n- \u4f7f\u7528\u5ef6\u8fdf\u7ea6\u675f<\/strong> \u5982\u679c\u4f60\u7684\u6570\u636e\u5e93\u652f\u6301\u5b83\u4eec\uff0c\u53ef\u4ee5\u5728\u6240\u6709\u6570\u636e\u52a0\u8f7d\u5b8c\u6210\u540e\u7531\u6570\u636e\u5e93\u68c0\u67e5\u5173\u7cfb\u3002<\/li>\n
- \u5bf9\u4e8e\u81ea\u5f15\u7528\u8868\uff08\u5982\u5206\u7c7b\uff09\uff0c\u786e\u4fdd\u5916\u952e\u53ef\u4e3a\u7a7a\uff0c\u4ee5\u5141\u8bb8\u6839\u8282\u70b9\u7684\u5b58\u5728\u3002<\/li>\n
- \u8bbe\u8ba1\u6a21\u5f0f\u65f6\u5e94\u5141\u8bb8\u903b\u8f91\u5c42\u7ea7\u7ed3\u6784\uff0c\u800c\u65e0\u9700\u5728\u6bcf\u4e00\u5c42\u90fd\u5f3a\u5236\u4f7f\u7528\u7269\u7406\u5916\u952e\u5faa\u73af\u3002<\/li>\n
- \u5b9e\u73b0\u8f6f\u5220\u9664\u4ee5\u5b89\u5168\u5730\u7ba1\u7406\u5220\u9664\u7ea7\u8054\u3002<\/li>\n<\/ul>\n
5. \u547d\u540d\u89c4\u8303\u4e0d\u4e00\u81f4 \ud83d\udcdd<\/h2>\n
\u540d\u79f0\u662f\u4eba\u4e0e\u673a\u5668\u4e4b\u95f4\u7684\u63a5\u53e3\u3002\u8868\u540d\u548c\u5217\u540d\u4e2d\u547d\u540d\u4e0d\u4e00\u81f4\u4f1a\u4f7f\u6a21\u5f0f\u96be\u4ee5\u7406\u89e3\u3001\u7ef4\u62a4\u548c\u67e5\u8be2\u3002\u8fd9\u901a\u5e38\u6e90\u4e8e\u7f3a\u4e4f\u5171\u4eab\u7684\u547d\u540d\u89c4\u8303\u6307\u5357\u3002<\/p>\n
\u5177\u4f53\u95ee\u9898<\/h3>\n\n- \u5927\u5c0f\u5199\u6df7\u5408\uff1a<\/strong> \u6df7\u5408\u4f7f\u7528
\u9a7c\u5cf0\u547d\u540d\u6cd5<\/code>, \u4e0b\u5212\u7ebf\u547d\u540d\u6cd5<\/code>\uff0c\u4ee5\u53ca\u5e15\u65af\u5361\u547d\u540d\u6cd5<\/code> \u4f1a\u4f7f\u67e5\u8be2\u6570\u636e\u7684\u5f00\u53d1\u4eba\u5458\u611f\u5230\u56f0\u60d1\u3002<\/li>\n- \u4fdd\u7559\u5173\u952e\u5b57\uff1a<\/strong> \u4f7f\u7528\u5982
order<\/code>, group<\/code>\uff0c\u6216user<\/code> \u4e0d\u8fdb\u884c\u8f6c\u4e49\u53ef\u80fd\u5bfc\u81f4 SQL \u67e5\u8be2\u4e2d\u7684\u8bed\u6cd5\u9519\u8bef\u3002<\/li>\n- \u7f29\u5199\uff1a<\/strong> \u4f7f\u7528
usr_id<\/code> \u5bf9\u6bd4 user_id<\/code> \u5bf9\u6bd4 uid<\/code> \u5728\u4e0d\u540c\u8868\u4e2d\u4f7f\u7528\u4f1a\u5bfc\u81f4\u6e05\u6670\u5ea6\u964d\u4f4e\u3002<\/li>\n- \u5197\u957f\u4e0e\u7b80\u6d01\uff1a<\/strong> \u4e00\u4e9b\u5217\u540d\u8fc7\u957f\uff0c\u800c\u53e6\u4e00\u4e9b\u5219\u662f\u6666\u6da9\u7684\u7f29\u5199\u3002<\/li>\n<\/ul>\n
\u5efa\u7acb\u6807\u51c6<\/h3>\n\n- \u91c7\u7528\u4e00\u81f4\u7684\u5927\u5c0f\u5199\u7b56\u7565\uff08\u4f8b\u5982\uff0c
snake_case<\/code> \u7528\u4e8e SQL \u8868\u88ab\u5e7f\u6cdb\u63a8\u8350\uff09\u3002<\/li>\n- \u4f7f\u7528\u80fd\u53cd\u6620\u4e1a\u52a1\u542b\u4e49\u7684\u63cf\u8ff0\u6027\u540d\u79f0\uff0c\u800c\u4e0d\u662f\u5185\u90e8\u5b9e\u73b0\u7ec6\u8282\u3002<\/li>\n
- \u5b8c\u5168\u907f\u514d\u4f7f\u7528\u4fdd\u7559\u5173\u952e\u5b57\u3002\u5982\u679c\u4e0d\u53ef\u907f\u514d\uff0c\u5e94\u4f7f\u7528\u7279\u5b9a\u6570\u636e\u5e93\u5f15\u64ce\u7684\u5f15\u53f7\u6216\u62ec\u53f7\u5c06\u5176\u5305\u56f4\u3002<\/li>\n
- \u7edf\u4e00\u8868\u540d\u7684\u5355\u590d\u6570\u5f62\u5f0f\u3002\u9009\u62e9\u4e00\u79cd\u5e76\u575a\u6301\u4f7f\u7528\uff08\u4f8b\u5982\uff0c
users<\/code> \u5bf9\u6bd4 user<\/code>).<\/li>\n- \u4f7f\u7528\u88ab\u5f15\u7528\u8868\u540d\u4f5c\u4e3a\u5916\u952e\u5217\u7684\u524d\u7f00\uff08\u4f8b\u5982\uff0c
user_id<\/code>\uff09\u4ee5\u4f7f\u5173\u7cfb\u4e00\u76ee\u4e86\u7136\u3002<\/li>\n<\/ul>\n6. \u5728\u6a21\u5f0f\u4e2d\u786c\u7f16\u7801\u503c \ud83d\uded1<\/h2>\n
\u8bbe\u8ba1\u5e08\u6709\u65f6\u4f1a\u5c06\u7279\u5b9a\u7684\u4e1a\u52a1\u503c\u76f4\u63a5\u5d4c\u5165\u6570\u636e\u5e93\u7ed3\u6784\u4e2d\uff0c\u4f8b\u5982\u4f7f\u7528\u5217\u6765\u5b58\u50a8\u7279\u5b9a\u7684\u72b6\u6001\u7801\uff0c\u5982active<\/code> \u6216 inactive<\/code> \u800c\u4e0d\u662f\u4f7f\u7528\u901a\u7528\u7684\u72b6\u6001\u5b57\u6bb5\uff0c\u6216\u786c\u7f16\u7801\u8d27\u5e01\u7c7b\u578b\u3002<\/p>\n\u5bf9\u7075\u6d3b\u6027\u7684\u5f71\u54cd<\/h3>\n\n- \u6a21\u5f0f\u53d8\u66f4\uff1a<\/strong> \u5982\u679c\u9700\u8981\u65b0\u589e\u72b6\u6001\uff0c\u53ef\u80fd\u4e0d\u5f97\u4e0d\u66f4\u6539\u8868\u7ed3\u6784\u6216\u6dfb\u52a0\u65b0\u5217\uff0c\u4ece\u800c\u5f15\u53d1\u90e8\u7f72\u505c\u673a\u3002<\/li>\n
- \u6570\u636e\u9a8c\u8bc1\uff1a<\/strong> \u5e94\u7528\u4ee3\u7801\u901a\u5e38\u4f1a\u9a8c\u8bc1\u8fd9\u4e9b\u503c\uff0c\u4f46\u6570\u636e\u5e93\u6a21\u5f0f\u5e94\u901a\u8fc7\u7ea6\u675f\u5f3a\u5236\u6267\u884c\u6709\u6548\u8303\u56f4\u6216\u96c6\u5408\u3002<\/li>\n
- \u672c\u5730\u5316\u95ee\u9898\uff1a<\/strong> \u786c\u7f16\u7801\u6587\u672c\u503c\uff0c\u4f8b\u5982
USD<\/code> \u6216 English<\/code> \u4f1a\u4f7f\u5168\u7403\u6269\u5c55\u53d8\u5f97\u56f0\u96be\u3002<\/li>\n<\/ul>\n\u4e3a\u53ef\u6269\u5c55\u6027\u8fdb\u884c\u91cd\u6784<\/h3>\n\n- \u4f7f\u7528\u67e5\u627e\u8868<\/strong> \u7528\u4e8e\u4efb\u4f55\u53ef\u80fd\u53d8\u5316\u6216\u589e\u957f\u7684\u503c\u96c6\u5408\uff08\u4f8b\u5982\uff1a\u72b6\u6001\u3001\u8d27\u5e01\u3001\u56fd\u5bb6\uff09\u3002<\/li>\n
- \u5b9e\u73b0\u68c0\u67e5\u7ea6\u675f<\/strong> \u4ee5\u786e\u4fdd\u53ea\u8f93\u5165\u6709\u6548\u503c\uff0c\u4f46\u5c06\u8fd9\u4e9b\u503c\u7684\u5b9a\u4e49\u4fdd\u7559\u5728\u5e94\u7528\u7a0b\u5e8f\u6216\u5355\u72ec\u7684\u914d\u7f6e\u8868\u4e2d\u3002<\/li>\n
- \u4ec5\u5f53\u6570\u636e\u5e93\u7cfb\u7edf\u7a33\u5065\u652f\u6301\u679a\u4e3e\u7c7b\u578b\u4e14\u96c6\u5408\u786e\u5b9e\u56fa\u5b9a\u65f6\u624d\u4f7f\u7528\u679a\u4e3e\u3002<\/li>\n
- \u5c06\u914d\u7f6e\u6570\u636e\u4e0e\u4e8b\u52a1\u6570\u636e\u5206\u5f00\u3002<\/li>\n<\/ul>\n
7. \u5ffd\u89c6\u672a\u6765\u53ef\u6269\u5c55\u6027 \ud83d\udcc8<\/h2>\n
\u8bb8\u591aERD\u4ec5\u9488\u5bf9\u5f53\u524d\u6570\u636e\u96c6\u5927\u5c0f\u8bbe\u8ba1\uff0c\u672a\u8003\u8651\u672a\u6765\u589e\u957f\u3002\u4e00\u4e2a\u57281000\u6761\u8bb0\u5f55\u4e0b\u8fd0\u884c\u826f\u597d\u7684\u6a21\u5f0f\uff0c\u53ef\u80fd\u57281000\u4e07\u6761\u8bb0\u5f55\u65f6\u56e0\u9501\u5b9a\u3001\u7d22\u5f15\u6216\u5206\u7247\u95ee\u9898\u800c\u5f7b\u5e95\u5931\u8d25\u3002<\/p>\n
\u53ef\u6269\u5c55\u6027\u9677\u9631<\/h3>\n\n- \u5927\u6587\u672c\u5b57\u6bb5\uff1a<\/strong> \u5728\u4e3b\u8868\u4e2d\u5b58\u50a8\u5927\u91cf\u4e8c\u8fdb\u5236\u5927\u5bf9\u8c61\u6216\u957f\u6587\u672c\u5b57\u7b26\u4e32\u4f1a\u5bfc\u81f4\u7d22\u5f15\u81a8\u80c0\u5e76\u51cf\u6162\u8bfb\u53d6\u901f\u5ea6\u3002<\/li>\n
- \u7f3a\u4e4f\u5206\u7247\u952e\uff1a<\/strong> \u5982\u679c\u6a21\u5f0f\u672a\u8003\u8651\u6570\u636e\u5c06\u5982\u4f55\u5206\u7247\u6216\u5206\u533a\uff08\u4f8b\u5982\u6309\u65e5\u671f\u6216\u5730\u533a\uff09\uff0c\u672a\u6765\u6a2a\u5411\u6269\u5c55\u5c06\u53d8\u6210\u91cd\u5927\u91cd\u6784\u3002<\/li>\n
- \u7f3a\u5c11\u7d22\u5f15\uff1a<\/strong> \u672a\u80fd\u9884\u89c1\u5230\u672a\u6765\u54ea\u4e9b\u5217\u5c06\u7528\u4e8e\u8fc7\u6ee4\u6216\u6392\u5e8f\uff0c\u4f1a\u5bfc\u81f4\u6027\u80fd\u74f6\u9888\u3002<\/li>\n
- \u5199\u5165\u5bc6\u96c6\u578b\u6a21\u5f0f\uff1a<\/strong> \u4e00\u4e2a\u9488\u5bf9\u8bfb\u53d6\u4f18\u5316\u7684\u8bbe\u8ba1\u53ef\u80fd\u7531\u4e8e\u5916\u952e\u4e0a\u7684\u9501\u5b9a\u673a\u5236\u800c\u5728\u9ad8\u5199\u5165\u91cf\u60c5\u51b5\u4e0b\u51fa\u73b0\u74f6\u9888\u3002<\/li>\n<\/ul>\n
\u4e3a\u589e\u957f\u800c\u8bbe\u8ba1<\/h3>\n\n- \u5ba1\u67e5 \u8bfb\u5199\u6bd4\u4f8b<\/strong> \u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u5982\u679c\u5199\u5165\u8f83\u591a\uff0c\u8bf7\u5c3d\u91cf\u51cf\u5c11\u5bfc\u81f4\u9501\u5b9a\u7684\u5916\u952e\u7ea6\u675f\u3002<\/li>\n
- \u8bbe\u8ba1 \u5206\u533a\u952e<\/strong> \u5230\u4f60\u7684\u4e3b\u6a21\u5f0f\u4e2d\u3002\u786e\u4fdd\u6bcf\u4e2a\u8868\u90fd\u6709\u4e00\u4e2a\u53ef\u7528\u4e8e\u903b\u8f91\u5206\u5272\u6570\u636e\u7684\u5217\u3002<\/li>\n
- \u5c06\u5927\u91cf\u6587\u672c\u6570\u636e\u5206\u79bb\u5230\u5355\u72ec\u7684\u8868\u4e2d\uff08\u4e00\u5bf9\u4e00\u5173\u7cfb\uff09\uff0c\u4ee5\u4fdd\u6301\u4e3b\u7d22\u5f15\u7684\u7b80\u6d01\u3002<\/li>\n
- \u8ba1\u5212\u91c7\u7528 \u8f6f\u5220\u9664<\/strong> \u800c\u975e\u786c\u5220\u9664\uff0c\u4ee5\u4fdd\u7559\u6570\u636e\u5386\u53f2\u8bb0\u5f55\uff0c\u540c\u65f6\u4e0d\u5f71\u54cd\u5f53\u524d\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<\/ul>\n
\u6700\u4f73\u5b9e\u8df5\u6458\u8981 \ud83d\udccb<\/h2>\n
\u4e3a\u786e\u4fdd\u6570\u636e\u5e93\u4fdd\u6301\u7a33\u5b9a\u4e14\u6613\u4e8e\u7ef4\u62a4\uff0c\u8bf7\u5728\u90e8\u7f72\u524d\u6839\u636e\u4ee5\u4e0b\u68c0\u67e5\u6e05\u5355\u5ba1\u67e5\u4f60\u7684\u5b9e\u4f53\u5173\u7cfb\u56fe\u3002<\/p>\n
\n- \u952e\uff1a<\/strong> \u6bcf\u4e2a\u8868\u90fd\u6709\u4e3b\u952e\u3002\u5916\u952e\u5df2\u5efa\u7acb\u7d22\u5f15\u3002<\/li>\n
- \u5173\u7cfb\uff1a<\/strong> \u57fa\u6570\u5df2\u660e\u786e\u754c\u5b9a\u3002\u591a\u5bf9\u591a\u5173\u7cfb\u4f7f\u7528\u8fde\u63a5\u8868\u3002<\/li>\n
- \u89c4\u8303\u5316\uff1a<\/strong> \u6570\u636e\u5197\u4f59\u6839\u636e\u7b2c\u4e09\u8303\u5f0f\uff083NF\uff09\u6807\u51c6\u88ab\u6700\u5c0f\u5316\u3002<\/li>\n
- \u4f9d\u8d56\u5173\u7cfb\uff1a<\/strong> \u65e0\u5ef6\u8fdf\u7ea6\u675f\u7684\u5916\u952e\u5faa\u73af\u4f9d\u8d56\u3002<\/li>\n
- \u547d\u540d\uff1a<\/strong> \u5168\u5c40\u4f7f\u7528\u4e00\u81f4\u7684\u5927\u5c0f\u5199\u548c\u63cf\u8ff0\u6027\u540d\u79f0\u3002<\/li>\n
- \u503c\uff1a<\/strong> \u6a21\u5f0f\u7ed3\u6784\u4e2d\u6ca1\u6709\u786c\u7f16\u7801\u7684\u4e1a\u52a1\u903b\u8f91\u3002<\/li>\n
- \u6269\u5c55\u6027\uff1a<\/strong> \u6a21\u5f0f\u8003\u8651\u4e86\u672a\u6765\u8d1f\u8f7d\u7684\u5206\u533a\u548c\u7d22\u5f15\u7b56\u7565\u3002<\/li>\n<\/ul>\n
\u5173\u4e8e\u6570\u636e\u5efa\u6a21\u7684\u6700\u540e\u601d\u8003 \ud83e\udde0<\/h2>\n
\u6784\u5efa\u6570\u636e\u5e93\u4e0d\u4ec5\u4ec5\u662f\u7f16\u5199CREATE TABLE<\/code>\u8bed\u53e5\u3002\u5b83\u5173\u4e4e\u5c06\u60a8\u7684\u4e1a\u52a1\u6d41\u7a0b\u73b0\u5b9e\u5efa\u6a21\u4e3a\u673a\u5668\u80fd\u591f\u9ad8\u6548\u5904\u7406\u7684\u903b\u8f91\u7ed3\u6784\u3002\u5728\u5f00\u53d1\u5468\u671f\u4e2d\u8d8a\u665a\u53d1\u73b0\u6a21\u5f0f\u9519\u8bef\uff0c\u4fee\u590d\u6210\u672c\u5c31\u4f1a\u5448\u6307\u6570\u7ea7\u589e\u957f\u3002<\/p>\n\u901a\u8fc7\u907f\u514d\u8fd9\u4e03\u4e2a\u5e38\u89c1\u9677\u9631\uff0c\u60a8\u53ef\u4ee5\u51cf\u5c11\u6280\u672f\u503a\u52a1\uff0c\u5e76\u5efa\u7acb\u4e00\u4e2a\u652f\u6301\u590d\u6742\u67e5\u8be2\u548c\u9ad8\u541e\u5410\u91cf\u4e8b\u52a1\u7684\u57fa\u7840\u3002\u5728\u60a8\u7684\u56fe\u8868\u4e2d\u4f18\u5148\u8003\u8651\u6e05\u6670\u6027\u3001\u5b8c\u6574\u6027\u548c\u7075\u6d3b\u6027\u3002\u4e00\u4e2a\u8bbe\u8ba1\u826f\u597d\u7684ERD\u5bf9\u6700\u7ec8\u7528\u6237\u800c\u8a00\u662f\u4e0d\u53ef\u89c1\u7684\uff0c\u4f46\u5374\u5bf9\u7cfb\u7edf\u7684\u957f\u671f\u8fd0\u884c\u81f3\u5173\u91cd\u8981\u3002<\/p>\n
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\u907f\u514d\u6b64\u7c7b\u95ee\u9898\u7684\u6700\u4f73\u5b9e\u8df5<\/h3>\n\n- \u4e3a\u6bcf\u4e2a\u8868\u59cb\u7ec8\u5b9a\u4e49\u4e3b\u952e\uff0c\u5373\u4f7f\u770b\u8d77\u6765\u6709\u4e9b\u5197\u4f59\u3002<\/li>\n
- \u4f18\u5148\u4f7f\u7528\u4ee3\u7406\u952e\uff08\u81ea\u589e\u6574\u6570\u6216 UUID\uff09\u800c\u975e\u81ea\u7136\u952e\uff08\u5982\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u6216\u7535\u8bdd\u53f7\u7801\uff09\uff0c\u4ee5\u907f\u514d\u4e1a\u52a1\u903b\u8f91\u53d8\u66f4\u5f71\u54cd\u6a21\u5f0f\u3002<\/li>\n
- \u786e\u4fdd\u4e3b\u952e\u5217\u4e0d\u53ef\u4e3a\u7a7a\u3002<\/li>\n
- \u4ec5\u5f53\u5355\u4e2a\u5217\u65e0\u6cd5\u552f\u4e00\u6807\u8bc6\u4e00\u884c\u65f6\uff08\u4f8b\u5982\u5728\u591a\u5bf9\u591a\u5173\u7cfb\u8868\u4e2d\uff09\u624d\u4f7f\u7528\u590d\u5408\u952e\u3002<\/li>\n<\/ul>\n
2. \u5173\u7cfb\u57fa\u6570\u4e0d\u660e\u786e \ud83d\udd04<\/h2>\n
\u57fa\u6570\u5b9a\u4e49\u4e86\u4e24\u4e2a\u8868\u4e2d\u8bb0\u5f55\u4e4b\u95f4\u7684\u6570\u503c\u5173\u7cfb\u3002\u5e38\u89c1\u7c7b\u578b\u5305\u62ec\u4e00\u5bf9\u4e00\u3001\u4e00\u5bf9\u591a\u548c\u591a\u5bf9\u591a\u3002\u5728\u56fe\u4e2d\u9519\u8bef\u5730\u8868\u793a\u8fd9\u4e9b\u5173\u7cfb\u4f1a\u5bfc\u81f4\u7269\u7406\u6570\u636e\u5e93\u4e2d\u7684\u7ed3\u6784\u4e0d\u5339\u914d\u3002<\/p>\n
\u5e38\u89c1\u9677\u9631<\/h3>\n\n- \u5047\u8bbe\u4e3a\u4e00\u5bf9\u591a\uff1a<\/strong> \u5f53\u5b58\u5728\u591a\u5bf9\u591a\u5173\u7cfb\u65f6\uff0c\u8bbe\u8ba1\u5e08\u5e38\u5e38\u9ed8\u8ba4\u91c7\u7528\u4e00\u5bf9\u591a\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u5b66\u751f\u53ef\u4ee5\u9009\u4fee\u591a\u95e8\u8bfe\u7a0b\uff0c\u4e00\u95e8\u8bfe\u7a0b\u4e5f\u53ef\u4ee5\u6709\u591a\u4e2a\u5b66\u751f\u3002\u5c06\u8fd9\u79cd\u5173\u7cfb\u5efa\u6a21\u4e3a\u4e00\u5bf9\u591a\uff0c\u9700\u8981\u5728\u591a\u4e2a\u8bfe\u7a0b\u884c\u4e2d\u91cd\u590d\u5b66\u751f\u6570\u636e\u3002<\/li>\n
- \u672a\u6807\u6ce8\u7684\u8fde\u7ebf\uff1a<\/strong> ERD \u7684\u8fde\u7ebf\u5e94\u6807\u660e\u57fa\u6570\uff08\u4f8b\u5982\u4e4c\u9e26\u811a\u7b26\u53f7\uff09\u3002\u672a\u6807\u6ce8\u4f1a\u4f7f\u5f00\u53d1\u4eba\u5458\u65e0\u6cd5\u5224\u65ad\u6570\u636e\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/li>\n
- \u5ffd\u7565\u53ef\u7a7a\u6027\uff1a<\/strong> \u5982\u679c\u4e00\u5bf9\u4e00\u5173\u7cfb\u662f\u53ef\u9009\u7684\uff0c\u5916\u952e\u5217\u53ef\u80fd\u5141\u8bb8\u4e3a\u7a7a\u3002\u672a\u80fd\u5efa\u6a21\u6b64\u7ea6\u675f\u4f1a\u5bfc\u81f4\u5b64\u7acb\u8bb0\u5f55\u7684\u4ea7\u751f\u3002<\/li>\n<\/ul>\n
\u6b63\u786e\u7684\u505a\u6cd5<\/h3>\n\n- \u663e\u5f0f\u4f7f\u7528\u8fde\u63a5\u8868\uff08\u5173\u8054\u8868\uff09\u6765\u6620\u5c04\u591a\u5bf9\u591a\u5173\u7cfb\uff0c\u8be5\u8868\u5305\u542b\u4e24\u4e2a\u76f8\u5173\u8868\u7684\u5916\u952e\u3002<\/li>\n
- \u5728\u56fe\u793a\u8fde\u7ebf\u4e2d\u6e05\u6670\u6807\u6ce8\u57fa\u6570\u3002<\/li>\n
- \u5e94\u7528\u6570\u636e\u5e93\u7ea6\u675f\uff08\u5982\u5728\u5916\u952e\u4e0a\u4f7f\u7528 UNIQUE \u7ea6\u675f\uff09\u4ee5\u5f3a\u5236\u6267\u884c\u56fe\u793a\u7684\u903b\u8f91\u3002<\/li>\n<\/ul>\n
\n\n\n\u5173\u7cfb\u7c7b\u578b<\/th>\n \u5b9e\u65bd\u7b56\u7565<\/th>\n \u5e38\u89c1\u9519\u8bef<\/th>\n<\/tr>\n<\/thead>\n \n\n\u4e00\u5bf9\u4e00<\/td>\n \u4e00\u4e2a\u8868\u4e2d\u7684\u5916\u952e\u5e26\u6709\u552f\u4e00\u7ea6\u675f<\/td>\n \u4e0d\u5fc5\u8981\u5730\u5728\u4e24\u4e2a\u8868\u4e2d\u90fd\u6dfb\u52a0\u5916\u952e<\/td>\n<\/tr>\n \n\u4e00\u5bf9\u591a<\/td>\n \u201c\u591a\u201d\u65b9\u8868\u4e2d\u7684\u5916\u952e<\/td>\n \u5c06\u7236\u7ea7\u6570\u636e\u5b58\u50a8\u5728\u5b50\u8868\u4e2d\uff08\u53cd\u89c4\u8303\u5316\uff09<\/td>\n<\/tr>\n \n\u591a\u5bf9\u591a<\/td>\n \u4e2d\u95f4\u5173\u8054\u8868<\/td>\n \u5728\u5355\u4e2a\u9017\u53f7\u5206\u9694\u7684\u5217\u4e2d\u5b58\u50a8\u591a\u4e2aID<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n3. \u5ffd\u89c6\u89c4\u8303\u5316\u6807\u51c6 \ud83d\udcc9<\/h2>\n
\u89c4\u8303\u5316\u662f\u901a\u8fc7\u7ec4\u7ec7\u6570\u636e\u6765\u51cf\u5c11\u5197\u4f59\u5e76\u63d0\u9ad8\u5b8c\u6574\u6027\u7684\u4e00\u4e2a\u8fc7\u7a0b\u3002\u867d\u7136\u4e00\u4e9b\u73b0\u4ee3\u7cfb\u7edf\u4e3a\u4e86\u63d0\u5347\u8bfb\u53d6\u6027\u80fd\u800c\u91c7\u7528\u53cd\u89c4\u8303\u5316\uff0c\u4f46\u5728\u8bbe\u8ba1\u9636\u6bb5\u5b8c\u5168\u8df3\u8fc7\u89c4\u8303\u5316\u4f1a\u5e26\u6765\u5de8\u5927\u7684\u7ef4\u62a4\u8d1f\u62c5\u3002<\/p>\n
\u4e0d\u826f\u89c4\u8303\u5316\u7684\u98ce\u9669<\/h3>\n\n- \u66f4\u65b0\u5f02\u5e38\uff1a<\/strong> \u5982\u679c\u5ba2\u6237\u5730\u5740\u5b58\u50a8\u5728\u4e94\u4e2a\u4e0d\u540c\u7684\u8ba2\u5355\u8868\u4e2d\uff0c\u66f4\u65b0\u5176\u5730\u5740\u9700\u8981\u8fdb\u884c\u4e94\u6b21\u72ec\u7acb\u7684\u66f4\u65b0\u3002\u5982\u679c\u5176\u4e2d\u4e00\u6b21\u66f4\u65b0\u5931\u8d25\uff0c\u6570\u636e\u5c31\u4f1a\u53d8\u5f97\u4e0d\u4e00\u81f4\u3002<\/li>\n
- \u63d2\u5165\u5f02\u5e38\uff1a<\/strong> \u4f60\u53ef\u80fd\u65e0\u6cd5\u5728\u4e0d\u540c\u65f6\u6dfb\u52a0\u4ea7\u54c1\u8bb0\u5f55\u7684\u60c5\u51b5\u4e0b\u65b0\u589e\u4e00\u4e2a\u4ea7\u54c1\u7c7b\u522b\uff0c\u8fd9\u8feb\u4f7f\u4f60\u521b\u5efa\u865a\u5047\u6570\u636e\u3002<\/li>\n
- \u5220\u9664\u5f02\u5e38\uff1a<\/strong> \u5220\u9664\u4e00\u6761\u8bb0\u5f55\u53ef\u80fd\u4f1a\u610f\u5916\u5730\u79fb\u9664\u4e0e\u5176\u4ed6\u5b9e\u4f53\u76f8\u5173\u7684\u5173\u952e\u6570\u636e\u3002<\/li>\n<\/ul>\n
\u5b9e\u65bd\u6307\u5357<\/h3>\n\n- \u4ee5\u7b2c\u4e09\u8303\u5f0f\uff083NF\uff09\u4f5c\u4e3a\u57fa\u51c6\u76ee\u6807\u3002\u8fd9\u80fd\u786e\u4fdd\u5217\u4ec5\u4f9d\u8d56\u4e8e\u4e3b\u952e\u3002<\/li>\n
- \u8bc6\u522b\u4f20\u9012\u4f9d\u8d56\u5173\u7cfb\uff0c\u5373\u975e\u4e3b\u952e\u5217\u4f9d\u8d56\u4e8e\u53e6\u4e00\u4e2a\u975e\u4e3b\u952e\u5217\u3002<\/li>\n
- \u5206\u79bb\u4e0d\u540c\u7684\u5b9e\u4f53\u3002\u5982\u679c\u4e00\u4e2a\u8868\u540c\u65f6\u5305\u542b\u201c\u8ba2\u5355\u201d\u548c\u201c\u5ba2\u6237\u201d\u7684\u4fe1\u606f\uff0c\u5e94\u5c06\u5176\u62c6\u5206\u3002<\/li>\n
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4. \u521b\u5efa\u5faa\u73af\u4f9d\u8d56 \ud83d\udd01<\/h2>\n
\u5f53\u8868\u4e4b\u95f4\u76f8\u4e92\u5f15\u7528\u5f62\u6210\u5faa\u73af\u65f6\uff0c\u5c31\u4f1a\u4ea7\u751f\u5faa\u73af\u4f9d\u8d56\uff0c\u8fd9\u4f1a\u963b\u6b62\u521d\u59cb\u5316\u6216\u5bfc\u81f4\u67e5\u8be2\u51fa\u73b0\u65e0\u9650\u9012\u5f52\u3002\u867d\u7136\u9012\u5f52\u5173\u7cfb\uff08\u5982\u5458\u5de5\u4e0e\u5176\u7ecf\u7406\u4e4b\u95f4\u7684\u7ec4\u7ec7\u67b6\u6784\u56fe\uff09\u662f\u6709\u6548\u7684\uff0c\u4f46\u4e0d\u53d7\u63a7\u5236\u7684\u5faa\u73af\u5916\u952e\u53ef\u80fd\u4f1a\u7834\u574f\u6570\u636e\u5e93\u3002<\/p>\n
\u4e3a\u4f55\u8fd9\u4f1a\u7834\u574f\u7cfb\u7edf<\/h3>\n\n- \u521d\u59cb\u5316\u9519\u8bef\uff1a<\/strong> \u5728\u90e8\u7f72\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u5b58\u5728\u5faa\u73af\u5f15\u7528\uff08\u4f8b\u5982\uff0c\u8868 A \u5f15\u7528 B\uff0c\u800c B \u53c8\u5f15\u7528 A\uff09\uff0c\u6570\u636e\u5e93\u5f15\u64ce\u53ef\u80fd\u4f1a\u62d2\u7edd\u521b\u5efa\u5916\u952e\u7ea6\u675f\uff0c\u9664\u975e\u4f7f\u7528\u5ef6\u8fdf\u7ea6\u675f\u6765\u5904\u7406\u3002<\/li>\n
- \u67e5\u8be2\u6808\u6ea2\u51fa\uff1a<\/strong> \u65e0\u6cd5\u8bbe\u7f6e\u505c\u6b62\u6761\u4ef6\u7684\u9012\u5f52\u67e5\u8be2\u5728\u904d\u5386\u8fd9\u4e9b\u5faa\u73af\u65f6\u53ef\u80fd\u4f1a\u6d88\u8017\u6240\u6709\u53ef\u7528\u5185\u5b58\u3002<\/li>\n
- \u5f15\u7528\u5b8c\u6574\u6027\u8fdd\u89c4\uff1a<\/strong> \u5982\u679c\u5b50\u8868\u672a\u88ab\u6e05\u9664\uff0c\u5220\u9664\u7236\u8868\u53ef\u80fd\u4f1a\u5931\u8d25\uff1b\u4f46\u6e05\u9664\u5b50\u8868\u4e5f\u53ef\u80fd\u56e0\u5176\u4ed6\u4f9d\u8d56\u5173\u7cfb\u800c\u5931\u8d25\u3002<\/li>\n<\/ul>\n
\u5982\u4f55\u89e3\u51b3<\/h3>\n\n- \u4f7f\u7528\u5ef6\u8fdf\u7ea6\u675f<\/strong> \u5982\u679c\u4f60\u7684\u6570\u636e\u5e93\u652f\u6301\u5b83\u4eec\uff0c\u53ef\u4ee5\u5728\u6240\u6709\u6570\u636e\u52a0\u8f7d\u5b8c\u6210\u540e\u7531\u6570\u636e\u5e93\u68c0\u67e5\u5173\u7cfb\u3002<\/li>\n
- \u5bf9\u4e8e\u81ea\u5f15\u7528\u8868\uff08\u5982\u5206\u7c7b\uff09\uff0c\u786e\u4fdd\u5916\u952e\u53ef\u4e3a\u7a7a\uff0c\u4ee5\u5141\u8bb8\u6839\u8282\u70b9\u7684\u5b58\u5728\u3002<\/li>\n
- \u8bbe\u8ba1\u6a21\u5f0f\u65f6\u5e94\u5141\u8bb8\u903b\u8f91\u5c42\u7ea7\u7ed3\u6784\uff0c\u800c\u65e0\u9700\u5728\u6bcf\u4e00\u5c42\u90fd\u5f3a\u5236\u4f7f\u7528\u7269\u7406\u5916\u952e\u5faa\u73af\u3002<\/li>\n
- \u5b9e\u73b0\u8f6f\u5220\u9664\u4ee5\u5b89\u5168\u5730\u7ba1\u7406\u5220\u9664\u7ea7\u8054\u3002<\/li>\n<\/ul>\n
5. \u547d\u540d\u89c4\u8303\u4e0d\u4e00\u81f4 \ud83d\udcdd<\/h2>\n
\u540d\u79f0\u662f\u4eba\u4e0e\u673a\u5668\u4e4b\u95f4\u7684\u63a5\u53e3\u3002\u8868\u540d\u548c\u5217\u540d\u4e2d\u547d\u540d\u4e0d\u4e00\u81f4\u4f1a\u4f7f\u6a21\u5f0f\u96be\u4ee5\u7406\u89e3\u3001\u7ef4\u62a4\u548c\u67e5\u8be2\u3002\u8fd9\u901a\u5e38\u6e90\u4e8e\u7f3a\u4e4f\u5171\u4eab\u7684\u547d\u540d\u89c4\u8303\u6307\u5357\u3002<\/p>\n
\u5177\u4f53\u95ee\u9898<\/h3>\n\n- \u5927\u5c0f\u5199\u6df7\u5408\uff1a<\/strong> \u6df7\u5408\u4f7f\u7528
\u9a7c\u5cf0\u547d\u540d\u6cd5<\/code>, \u4e0b\u5212\u7ebf\u547d\u540d\u6cd5<\/code>\uff0c\u4ee5\u53ca\u5e15\u65af\u5361\u547d\u540d\u6cd5<\/code> \u4f1a\u4f7f\u67e5\u8be2\u6570\u636e\u7684\u5f00\u53d1\u4eba\u5458\u611f\u5230\u56f0\u60d1\u3002<\/li>\n- \u4fdd\u7559\u5173\u952e\u5b57\uff1a<\/strong> \u4f7f\u7528\u5982
order<\/code>, group<\/code>\uff0c\u6216user<\/code> \u4e0d\u8fdb\u884c\u8f6c\u4e49\u53ef\u80fd\u5bfc\u81f4 SQL \u67e5\u8be2\u4e2d\u7684\u8bed\u6cd5\u9519\u8bef\u3002<\/li>\n- \u7f29\u5199\uff1a<\/strong> \u4f7f\u7528
usr_id<\/code> \u5bf9\u6bd4 user_id<\/code> \u5bf9\u6bd4 uid<\/code> \u5728\u4e0d\u540c\u8868\u4e2d\u4f7f\u7528\u4f1a\u5bfc\u81f4\u6e05\u6670\u5ea6\u964d\u4f4e\u3002<\/li>\n- \u5197\u957f\u4e0e\u7b80\u6d01\uff1a<\/strong> \u4e00\u4e9b\u5217\u540d\u8fc7\u957f\uff0c\u800c\u53e6\u4e00\u4e9b\u5219\u662f\u6666\u6da9\u7684\u7f29\u5199\u3002<\/li>\n<\/ul>\n
\u5efa\u7acb\u6807\u51c6<\/h3>\n\n- \u91c7\u7528\u4e00\u81f4\u7684\u5927\u5c0f\u5199\u7b56\u7565\uff08\u4f8b\u5982\uff0c
snake_case<\/code> \u7528\u4e8e SQL \u8868\u88ab\u5e7f\u6cdb\u63a8\u8350\uff09\u3002<\/li>\n- \u4f7f\u7528\u80fd\u53cd\u6620\u4e1a\u52a1\u542b\u4e49\u7684\u63cf\u8ff0\u6027\u540d\u79f0\uff0c\u800c\u4e0d\u662f\u5185\u90e8\u5b9e\u73b0\u7ec6\u8282\u3002<\/li>\n
- \u5b8c\u5168\u907f\u514d\u4f7f\u7528\u4fdd\u7559\u5173\u952e\u5b57\u3002\u5982\u679c\u4e0d\u53ef\u907f\u514d\uff0c\u5e94\u4f7f\u7528\u7279\u5b9a\u6570\u636e\u5e93\u5f15\u64ce\u7684\u5f15\u53f7\u6216\u62ec\u53f7\u5c06\u5176\u5305\u56f4\u3002<\/li>\n
- \u7edf\u4e00\u8868\u540d\u7684\u5355\u590d\u6570\u5f62\u5f0f\u3002\u9009\u62e9\u4e00\u79cd\u5e76\u575a\u6301\u4f7f\u7528\uff08\u4f8b\u5982\uff0c
users<\/code> \u5bf9\u6bd4 user<\/code>).<\/li>\n- \u4f7f\u7528\u88ab\u5f15\u7528\u8868\u540d\u4f5c\u4e3a\u5916\u952e\u5217\u7684\u524d\u7f00\uff08\u4f8b\u5982\uff0c
user_id<\/code>\uff09\u4ee5\u4f7f\u5173\u7cfb\u4e00\u76ee\u4e86\u7136\u3002<\/li>\n<\/ul>\n6. \u5728\u6a21\u5f0f\u4e2d\u786c\u7f16\u7801\u503c \ud83d\uded1<\/h2>\n
\u8bbe\u8ba1\u5e08\u6709\u65f6\u4f1a\u5c06\u7279\u5b9a\u7684\u4e1a\u52a1\u503c\u76f4\u63a5\u5d4c\u5165\u6570\u636e\u5e93\u7ed3\u6784\u4e2d\uff0c\u4f8b\u5982\u4f7f\u7528\u5217\u6765\u5b58\u50a8\u7279\u5b9a\u7684\u72b6\u6001\u7801\uff0c\u5982active<\/code> \u6216 inactive<\/code> \u800c\u4e0d\u662f\u4f7f\u7528\u901a\u7528\u7684\u72b6\u6001\u5b57\u6bb5\uff0c\u6216\u786c\u7f16\u7801\u8d27\u5e01\u7c7b\u578b\u3002<\/p>\n\u5bf9\u7075\u6d3b\u6027\u7684\u5f71\u54cd<\/h3>\n\n- \u6a21\u5f0f\u53d8\u66f4\uff1a<\/strong> \u5982\u679c\u9700\u8981\u65b0\u589e\u72b6\u6001\uff0c\u53ef\u80fd\u4e0d\u5f97\u4e0d\u66f4\u6539\u8868\u7ed3\u6784\u6216\u6dfb\u52a0\u65b0\u5217\uff0c\u4ece\u800c\u5f15\u53d1\u90e8\u7f72\u505c\u673a\u3002<\/li>\n
- \u6570\u636e\u9a8c\u8bc1\uff1a<\/strong> \u5e94\u7528\u4ee3\u7801\u901a\u5e38\u4f1a\u9a8c\u8bc1\u8fd9\u4e9b\u503c\uff0c\u4f46\u6570\u636e\u5e93\u6a21\u5f0f\u5e94\u901a\u8fc7\u7ea6\u675f\u5f3a\u5236\u6267\u884c\u6709\u6548\u8303\u56f4\u6216\u96c6\u5408\u3002<\/li>\n
- \u672c\u5730\u5316\u95ee\u9898\uff1a<\/strong> \u786c\u7f16\u7801\u6587\u672c\u503c\uff0c\u4f8b\u5982
USD<\/code> \u6216 English<\/code> \u4f1a\u4f7f\u5168\u7403\u6269\u5c55\u53d8\u5f97\u56f0\u96be\u3002<\/li>\n<\/ul>\n\u4e3a\u53ef\u6269\u5c55\u6027\u8fdb\u884c\u91cd\u6784<\/h3>\n\n- \u4f7f\u7528\u67e5\u627e\u8868<\/strong> \u7528\u4e8e\u4efb\u4f55\u53ef\u80fd\u53d8\u5316\u6216\u589e\u957f\u7684\u503c\u96c6\u5408\uff08\u4f8b\u5982\uff1a\u72b6\u6001\u3001\u8d27\u5e01\u3001\u56fd\u5bb6\uff09\u3002<\/li>\n
- \u5b9e\u73b0\u68c0\u67e5\u7ea6\u675f<\/strong> \u4ee5\u786e\u4fdd\u53ea\u8f93\u5165\u6709\u6548\u503c\uff0c\u4f46\u5c06\u8fd9\u4e9b\u503c\u7684\u5b9a\u4e49\u4fdd\u7559\u5728\u5e94\u7528\u7a0b\u5e8f\u6216\u5355\u72ec\u7684\u914d\u7f6e\u8868\u4e2d\u3002<\/li>\n
- \u4ec5\u5f53\u6570\u636e\u5e93\u7cfb\u7edf\u7a33\u5065\u652f\u6301\u679a\u4e3e\u7c7b\u578b\u4e14\u96c6\u5408\u786e\u5b9e\u56fa\u5b9a\u65f6\u624d\u4f7f\u7528\u679a\u4e3e\u3002<\/li>\n
- \u5c06\u914d\u7f6e\u6570\u636e\u4e0e\u4e8b\u52a1\u6570\u636e\u5206\u5f00\u3002<\/li>\n<\/ul>\n
7. \u5ffd\u89c6\u672a\u6765\u53ef\u6269\u5c55\u6027 \ud83d\udcc8<\/h2>\n
\u8bb8\u591aERD\u4ec5\u9488\u5bf9\u5f53\u524d\u6570\u636e\u96c6\u5927\u5c0f\u8bbe\u8ba1\uff0c\u672a\u8003\u8651\u672a\u6765\u589e\u957f\u3002\u4e00\u4e2a\u57281000\u6761\u8bb0\u5f55\u4e0b\u8fd0\u884c\u826f\u597d\u7684\u6a21\u5f0f\uff0c\u53ef\u80fd\u57281000\u4e07\u6761\u8bb0\u5f55\u65f6\u56e0\u9501\u5b9a\u3001\u7d22\u5f15\u6216\u5206\u7247\u95ee\u9898\u800c\u5f7b\u5e95\u5931\u8d25\u3002<\/p>\n
\u53ef\u6269\u5c55\u6027\u9677\u9631<\/h3>\n\n- \u5927\u6587\u672c\u5b57\u6bb5\uff1a<\/strong> \u5728\u4e3b\u8868\u4e2d\u5b58\u50a8\u5927\u91cf\u4e8c\u8fdb\u5236\u5927\u5bf9\u8c61\u6216\u957f\u6587\u672c\u5b57\u7b26\u4e32\u4f1a\u5bfc\u81f4\u7d22\u5f15\u81a8\u80c0\u5e76\u51cf\u6162\u8bfb\u53d6\u901f\u5ea6\u3002<\/li>\n
- \u7f3a\u4e4f\u5206\u7247\u952e\uff1a<\/strong> \u5982\u679c\u6a21\u5f0f\u672a\u8003\u8651\u6570\u636e\u5c06\u5982\u4f55\u5206\u7247\u6216\u5206\u533a\uff08\u4f8b\u5982\u6309\u65e5\u671f\u6216\u5730\u533a\uff09\uff0c\u672a\u6765\u6a2a\u5411\u6269\u5c55\u5c06\u53d8\u6210\u91cd\u5927\u91cd\u6784\u3002<\/li>\n
- \u7f3a\u5c11\u7d22\u5f15\uff1a<\/strong> \u672a\u80fd\u9884\u89c1\u5230\u672a\u6765\u54ea\u4e9b\u5217\u5c06\u7528\u4e8e\u8fc7\u6ee4\u6216\u6392\u5e8f\uff0c\u4f1a\u5bfc\u81f4\u6027\u80fd\u74f6\u9888\u3002<\/li>\n
- \u5199\u5165\u5bc6\u96c6\u578b\u6a21\u5f0f\uff1a<\/strong> \u4e00\u4e2a\u9488\u5bf9\u8bfb\u53d6\u4f18\u5316\u7684\u8bbe\u8ba1\u53ef\u80fd\u7531\u4e8e\u5916\u952e\u4e0a\u7684\u9501\u5b9a\u673a\u5236\u800c\u5728\u9ad8\u5199\u5165\u91cf\u60c5\u51b5\u4e0b\u51fa\u73b0\u74f6\u9888\u3002<\/li>\n<\/ul>\n
\u4e3a\u589e\u957f\u800c\u8bbe\u8ba1<\/h3>\n\n- \u5ba1\u67e5 \u8bfb\u5199\u6bd4\u4f8b<\/strong> \u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u5982\u679c\u5199\u5165\u8f83\u591a\uff0c\u8bf7\u5c3d\u91cf\u51cf\u5c11\u5bfc\u81f4\u9501\u5b9a\u7684\u5916\u952e\u7ea6\u675f\u3002<\/li>\n
- \u8bbe\u8ba1 \u5206\u533a\u952e<\/strong> \u5230\u4f60\u7684\u4e3b\u6a21\u5f0f\u4e2d\u3002\u786e\u4fdd\u6bcf\u4e2a\u8868\u90fd\u6709\u4e00\u4e2a\u53ef\u7528\u4e8e\u903b\u8f91\u5206\u5272\u6570\u636e\u7684\u5217\u3002<\/li>\n
- \u5c06\u5927\u91cf\u6587\u672c\u6570\u636e\u5206\u79bb\u5230\u5355\u72ec\u7684\u8868\u4e2d\uff08\u4e00\u5bf9\u4e00\u5173\u7cfb\uff09\uff0c\u4ee5\u4fdd\u6301\u4e3b\u7d22\u5f15\u7684\u7b80\u6d01\u3002<\/li>\n
- \u8ba1\u5212\u91c7\u7528 \u8f6f\u5220\u9664<\/strong> \u800c\u975e\u786c\u5220\u9664\uff0c\u4ee5\u4fdd\u7559\u6570\u636e\u5386\u53f2\u8bb0\u5f55\uff0c\u540c\u65f6\u4e0d\u5f71\u54cd\u5f53\u524d\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<\/ul>\n
\u6700\u4f73\u5b9e\u8df5\u6458\u8981 \ud83d\udccb<\/h2>\n
\u4e3a\u786e\u4fdd\u6570\u636e\u5e93\u4fdd\u6301\u7a33\u5b9a\u4e14\u6613\u4e8e\u7ef4\u62a4\uff0c\u8bf7\u5728\u90e8\u7f72\u524d\u6839\u636e\u4ee5\u4e0b\u68c0\u67e5\u6e05\u5355\u5ba1\u67e5\u4f60\u7684\u5b9e\u4f53\u5173\u7cfb\u56fe\u3002<\/p>\n
\n- \u952e\uff1a<\/strong> \u6bcf\u4e2a\u8868\u90fd\u6709\u4e3b\u952e\u3002\u5916\u952e\u5df2\u5efa\u7acb\u7d22\u5f15\u3002<\/li>\n
- \u5173\u7cfb\uff1a<\/strong> \u57fa\u6570\u5df2\u660e\u786e\u754c\u5b9a\u3002\u591a\u5bf9\u591a\u5173\u7cfb\u4f7f\u7528\u8fde\u63a5\u8868\u3002<\/li>\n
- \u89c4\u8303\u5316\uff1a<\/strong> \u6570\u636e\u5197\u4f59\u6839\u636e\u7b2c\u4e09\u8303\u5f0f\uff083NF\uff09\u6807\u51c6\u88ab\u6700\u5c0f\u5316\u3002<\/li>\n
- \u4f9d\u8d56\u5173\u7cfb\uff1a<\/strong> \u65e0\u5ef6\u8fdf\u7ea6\u675f\u7684\u5916\u952e\u5faa\u73af\u4f9d\u8d56\u3002<\/li>\n
- \u547d\u540d\uff1a<\/strong> \u5168\u5c40\u4f7f\u7528\u4e00\u81f4\u7684\u5927\u5c0f\u5199\u548c\u63cf\u8ff0\u6027\u540d\u79f0\u3002<\/li>\n
- \u503c\uff1a<\/strong> \u6a21\u5f0f\u7ed3\u6784\u4e2d\u6ca1\u6709\u786c\u7f16\u7801\u7684\u4e1a\u52a1\u903b\u8f91\u3002<\/li>\n
- \u6269\u5c55\u6027\uff1a<\/strong> \u6a21\u5f0f\u8003\u8651\u4e86\u672a\u6765\u8d1f\u8f7d\u7684\u5206\u533a\u548c\u7d22\u5f15\u7b56\u7565\u3002<\/li>\n<\/ul>\n
\u5173\u4e8e\u6570\u636e\u5efa\u6a21\u7684\u6700\u540e\u601d\u8003 \ud83e\udde0<\/h2>\n
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2. \u5173\u7cfb\u57fa\u6570\u4e0d\u660e\u786e \ud83d\udd04<\/h2>\n
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\u5e38\u89c1\u9677\u9631<\/h3>\n\n- \u5047\u8bbe\u4e3a\u4e00\u5bf9\u591a\uff1a<\/strong> \u5f53\u5b58\u5728\u591a\u5bf9\u591a\u5173\u7cfb\u65f6\uff0c\u8bbe\u8ba1\u5e08\u5e38\u5e38\u9ed8\u8ba4\u91c7\u7528\u4e00\u5bf9\u591a\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u5b66\u751f\u53ef\u4ee5\u9009\u4fee\u591a\u95e8\u8bfe\u7a0b\uff0c\u4e00\u95e8\u8bfe\u7a0b\u4e5f\u53ef\u4ee5\u6709\u591a\u4e2a\u5b66\u751f\u3002\u5c06\u8fd9\u79cd\u5173\u7cfb\u5efa\u6a21\u4e3a\u4e00\u5bf9\u591a\uff0c\u9700\u8981\u5728\u591a\u4e2a\u8bfe\u7a0b\u884c\u4e2d\u91cd\u590d\u5b66\u751f\u6570\u636e\u3002<\/li>\n
- \u672a\u6807\u6ce8\u7684\u8fde\u7ebf\uff1a<\/strong> ERD \u7684\u8fde\u7ebf\u5e94\u6807\u660e\u57fa\u6570\uff08\u4f8b\u5982\u4e4c\u9e26\u811a\u7b26\u53f7\uff09\u3002\u672a\u6807\u6ce8\u4f1a\u4f7f\u5f00\u53d1\u4eba\u5458\u65e0\u6cd5\u5224\u65ad\u6570\u636e\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/li>\n
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\u6b63\u786e\u7684\u505a\u6cd5<\/h3>\n\n- \u663e\u5f0f\u4f7f\u7528\u8fde\u63a5\u8868\uff08\u5173\u8054\u8868\uff09\u6765\u6620\u5c04\u591a\u5bf9\u591a\u5173\u7cfb\uff0c\u8be5\u8868\u5305\u542b\u4e24\u4e2a\u76f8\u5173\u8868\u7684\u5916\u952e\u3002<\/li>\n
- \u5728\u56fe\u793a\u8fde\u7ebf\u4e2d\u6e05\u6670\u6807\u6ce8\u57fa\u6570\u3002<\/li>\n
- \u5e94\u7528\u6570\u636e\u5e93\u7ea6\u675f\uff08\u5982\u5728\u5916\u952e\u4e0a\u4f7f\u7528 UNIQUE \u7ea6\u675f\uff09\u4ee5\u5f3a\u5236\u6267\u884c\u56fe\u793a\u7684\u903b\u8f91\u3002<\/li>\n<\/ul>\n
\n\n\n\u5173\u7cfb\u7c7b\u578b<\/th>\n \u5b9e\u65bd\u7b56\u7565<\/th>\n \u5e38\u89c1\u9519\u8bef<\/th>\n<\/tr>\n<\/thead>\n \n\n\u4e00\u5bf9\u4e00<\/td>\n \u4e00\u4e2a\u8868\u4e2d\u7684\u5916\u952e\u5e26\u6709\u552f\u4e00\u7ea6\u675f<\/td>\n \u4e0d\u5fc5\u8981\u5730\u5728\u4e24\u4e2a\u8868\u4e2d\u90fd\u6dfb\u52a0\u5916\u952e<\/td>\n<\/tr>\n \n\u4e00\u5bf9\u591a<\/td>\n \u201c\u591a\u201d\u65b9\u8868\u4e2d\u7684\u5916\u952e<\/td>\n \u5c06\u7236\u7ea7\u6570\u636e\u5b58\u50a8\u5728\u5b50\u8868\u4e2d\uff08\u53cd\u89c4\u8303\u5316\uff09<\/td>\n<\/tr>\n \n\u591a\u5bf9\u591a<\/td>\n \u4e2d\u95f4\u5173\u8054\u8868<\/td>\n \u5728\u5355\u4e2a\u9017\u53f7\u5206\u9694\u7684\u5217\u4e2d\u5b58\u50a8\u591a\u4e2aID<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n3. \u5ffd\u89c6\u89c4\u8303\u5316\u6807\u51c6 \ud83d\udcc9<\/h2>\n
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\u4e0d\u826f\u89c4\u8303\u5316\u7684\u98ce\u9669<\/h3>\n\n- \u66f4\u65b0\u5f02\u5e38\uff1a<\/strong> \u5982\u679c\u5ba2\u6237\u5730\u5740\u5b58\u50a8\u5728\u4e94\u4e2a\u4e0d\u540c\u7684\u8ba2\u5355\u8868\u4e2d\uff0c\u66f4\u65b0\u5176\u5730\u5740\u9700\u8981\u8fdb\u884c\u4e94\u6b21\u72ec\u7acb\u7684\u66f4\u65b0\u3002\u5982\u679c\u5176\u4e2d\u4e00\u6b21\u66f4\u65b0\u5931\u8d25\uff0c\u6570\u636e\u5c31\u4f1a\u53d8\u5f97\u4e0d\u4e00\u81f4\u3002<\/li>\n
- \u63d2\u5165\u5f02\u5e38\uff1a<\/strong> \u4f60\u53ef\u80fd\u65e0\u6cd5\u5728\u4e0d\u540c\u65f6\u6dfb\u52a0\u4ea7\u54c1\u8bb0\u5f55\u7684\u60c5\u51b5\u4e0b\u65b0\u589e\u4e00\u4e2a\u4ea7\u54c1\u7c7b\u522b\uff0c\u8fd9\u8feb\u4f7f\u4f60\u521b\u5efa\u865a\u5047\u6570\u636e\u3002<\/li>\n
- \u5220\u9664\u5f02\u5e38\uff1a<\/strong> \u5220\u9664\u4e00\u6761\u8bb0\u5f55\u53ef\u80fd\u4f1a\u610f\u5916\u5730\u79fb\u9664\u4e0e\u5176\u4ed6\u5b9e\u4f53\u76f8\u5173\u7684\u5173\u952e\u6570\u636e\u3002<\/li>\n<\/ul>\n
\u5b9e\u65bd\u6307\u5357<\/h3>\n\n- \u4ee5\u7b2c\u4e09\u8303\u5f0f\uff083NF\uff09\u4f5c\u4e3a\u57fa\u51c6\u76ee\u6807\u3002\u8fd9\u80fd\u786e\u4fdd\u5217\u4ec5\u4f9d\u8d56\u4e8e\u4e3b\u952e\u3002<\/li>\n
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- \u5206\u79bb\u4e0d\u540c\u7684\u5b9e\u4f53\u3002\u5982\u679c\u4e00\u4e2a\u8868\u540c\u65f6\u5305\u542b\u201c\u8ba2\u5355\u201d\u548c\u201c\u5ba2\u6237\u201d\u7684\u4fe1\u606f\uff0c\u5e94\u5c06\u5176\u62c6\u5206\u3002<\/li>\n
- \u4ec5\u5728\u5206\u6790\u67e5\u8be2\u6027\u80fd\u540e\u624d\u8fdb\u884c\u53cd\u89c4\u8303\u5316\u3002\u4e0d\u8981\u4e3a\u4e86\u901f\u5ea6\u800c\u727a\u7272\u5b8c\u6574\u6027\u8fdb\u884c\u8fc7\u65e9\u4f18\u5316\u3002<\/li>\n<\/ul>\n
4. \u521b\u5efa\u5faa\u73af\u4f9d\u8d56 \ud83d\udd01<\/h2>\n
\u5f53\u8868\u4e4b\u95f4\u76f8\u4e92\u5f15\u7528\u5f62\u6210\u5faa\u73af\u65f6\uff0c\u5c31\u4f1a\u4ea7\u751f\u5faa\u73af\u4f9d\u8d56\uff0c\u8fd9\u4f1a\u963b\u6b62\u521d\u59cb\u5316\u6216\u5bfc\u81f4\u67e5\u8be2\u51fa\u73b0\u65e0\u9650\u9012\u5f52\u3002\u867d\u7136\u9012\u5f52\u5173\u7cfb\uff08\u5982\u5458\u5de5\u4e0e\u5176\u7ecf\u7406\u4e4b\u95f4\u7684\u7ec4\u7ec7\u67b6\u6784\u56fe\uff09\u662f\u6709\u6548\u7684\uff0c\u4f46\u4e0d\u53d7\u63a7\u5236\u7684\u5faa\u73af\u5916\u952e\u53ef\u80fd\u4f1a\u7834\u574f\u6570\u636e\u5e93\u3002<\/p>\n
\u4e3a\u4f55\u8fd9\u4f1a\u7834\u574f\u7cfb\u7edf<\/h3>\n\n- \u521d\u59cb\u5316\u9519\u8bef\uff1a<\/strong> \u5728\u90e8\u7f72\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u5b58\u5728\u5faa\u73af\u5f15\u7528\uff08\u4f8b\u5982\uff0c\u8868 A \u5f15\u7528 B\uff0c\u800c B \u53c8\u5f15\u7528 A\uff09\uff0c\u6570\u636e\u5e93\u5f15\u64ce\u53ef\u80fd\u4f1a\u62d2\u7edd\u521b\u5efa\u5916\u952e\u7ea6\u675f\uff0c\u9664\u975e\u4f7f\u7528\u5ef6\u8fdf\u7ea6\u675f\u6765\u5904\u7406\u3002<\/li>\n
- \u67e5\u8be2\u6808\u6ea2\u51fa\uff1a<\/strong> \u65e0\u6cd5\u8bbe\u7f6e\u505c\u6b62\u6761\u4ef6\u7684\u9012\u5f52\u67e5\u8be2\u5728\u904d\u5386\u8fd9\u4e9b\u5faa\u73af\u65f6\u53ef\u80fd\u4f1a\u6d88\u8017\u6240\u6709\u53ef\u7528\u5185\u5b58\u3002<\/li>\n
- \u5f15\u7528\u5b8c\u6574\u6027\u8fdd\u89c4\uff1a<\/strong> \u5982\u679c\u5b50\u8868\u672a\u88ab\u6e05\u9664\uff0c\u5220\u9664\u7236\u8868\u53ef\u80fd\u4f1a\u5931\u8d25\uff1b\u4f46\u6e05\u9664\u5b50\u8868\u4e5f\u53ef\u80fd\u56e0\u5176\u4ed6\u4f9d\u8d56\u5173\u7cfb\u800c\u5931\u8d25\u3002<\/li>\n<\/ul>\n
\u5982\u4f55\u89e3\u51b3<\/h3>\n\n- \u4f7f\u7528\u5ef6\u8fdf\u7ea6\u675f<\/strong> \u5982\u679c\u4f60\u7684\u6570\u636e\u5e93\u652f\u6301\u5b83\u4eec\uff0c\u53ef\u4ee5\u5728\u6240\u6709\u6570\u636e\u52a0\u8f7d\u5b8c\u6210\u540e\u7531\u6570\u636e\u5e93\u68c0\u67e5\u5173\u7cfb\u3002<\/li>\n
- \u5bf9\u4e8e\u81ea\u5f15\u7528\u8868\uff08\u5982\u5206\u7c7b\uff09\uff0c\u786e\u4fdd\u5916\u952e\u53ef\u4e3a\u7a7a\uff0c\u4ee5\u5141\u8bb8\u6839\u8282\u70b9\u7684\u5b58\u5728\u3002<\/li>\n
- \u8bbe\u8ba1\u6a21\u5f0f\u65f6\u5e94\u5141\u8bb8\u903b\u8f91\u5c42\u7ea7\u7ed3\u6784\uff0c\u800c\u65e0\u9700\u5728\u6bcf\u4e00\u5c42\u90fd\u5f3a\u5236\u4f7f\u7528\u7269\u7406\u5916\u952e\u5faa\u73af\u3002<\/li>\n
- \u5b9e\u73b0\u8f6f\u5220\u9664\u4ee5\u5b89\u5168\u5730\u7ba1\u7406\u5220\u9664\u7ea7\u8054\u3002<\/li>\n<\/ul>\n
5. \u547d\u540d\u89c4\u8303\u4e0d\u4e00\u81f4 \ud83d\udcdd<\/h2>\n
\u540d\u79f0\u662f\u4eba\u4e0e\u673a\u5668\u4e4b\u95f4\u7684\u63a5\u53e3\u3002\u8868\u540d\u548c\u5217\u540d\u4e2d\u547d\u540d\u4e0d\u4e00\u81f4\u4f1a\u4f7f\u6a21\u5f0f\u96be\u4ee5\u7406\u89e3\u3001\u7ef4\u62a4\u548c\u67e5\u8be2\u3002\u8fd9\u901a\u5e38\u6e90\u4e8e\u7f3a\u4e4f\u5171\u4eab\u7684\u547d\u540d\u89c4\u8303\u6307\u5357\u3002<\/p>\n
\u5177\u4f53\u95ee\u9898<\/h3>\n\n- \u5927\u5c0f\u5199\u6df7\u5408\uff1a<\/strong> \u6df7\u5408\u4f7f\u7528
\u9a7c\u5cf0\u547d\u540d\u6cd5<\/code>, \u4e0b\u5212\u7ebf\u547d\u540d\u6cd5<\/code>\uff0c\u4ee5\u53ca\u5e15\u65af\u5361\u547d\u540d\u6cd5<\/code> \u4f1a\u4f7f\u67e5\u8be2\u6570\u636e\u7684\u5f00\u53d1\u4eba\u5458\u611f\u5230\u56f0\u60d1\u3002<\/li>\n- \u4fdd\u7559\u5173\u952e\u5b57\uff1a<\/strong> \u4f7f\u7528\u5982
order<\/code>, group<\/code>\uff0c\u6216user<\/code> \u4e0d\u8fdb\u884c\u8f6c\u4e49\u53ef\u80fd\u5bfc\u81f4 SQL \u67e5\u8be2\u4e2d\u7684\u8bed\u6cd5\u9519\u8bef\u3002<\/li>\n- \u7f29\u5199\uff1a<\/strong> \u4f7f\u7528
usr_id<\/code> \u5bf9\u6bd4 user_id<\/code> \u5bf9\u6bd4 uid<\/code> \u5728\u4e0d\u540c\u8868\u4e2d\u4f7f\u7528\u4f1a\u5bfc\u81f4\u6e05\u6670\u5ea6\u964d\u4f4e\u3002<\/li>\n- \u5197\u957f\u4e0e\u7b80\u6d01\uff1a<\/strong> \u4e00\u4e9b\u5217\u540d\u8fc7\u957f\uff0c\u800c\u53e6\u4e00\u4e9b\u5219\u662f\u6666\u6da9\u7684\u7f29\u5199\u3002<\/li>\n<\/ul>\n
\u5efa\u7acb\u6807\u51c6<\/h3>\n\n- \u91c7\u7528\u4e00\u81f4\u7684\u5927\u5c0f\u5199\u7b56\u7565\uff08\u4f8b\u5982\uff0c
snake_case<\/code> \u7528\u4e8e SQL \u8868\u88ab\u5e7f\u6cdb\u63a8\u8350\uff09\u3002<\/li>\n- \u4f7f\u7528\u80fd\u53cd\u6620\u4e1a\u52a1\u542b\u4e49\u7684\u63cf\u8ff0\u6027\u540d\u79f0\uff0c\u800c\u4e0d\u662f\u5185\u90e8\u5b9e\u73b0\u7ec6\u8282\u3002<\/li>\n
- \u5b8c\u5168\u907f\u514d\u4f7f\u7528\u4fdd\u7559\u5173\u952e\u5b57\u3002\u5982\u679c\u4e0d\u53ef\u907f\u514d\uff0c\u5e94\u4f7f\u7528\u7279\u5b9a\u6570\u636e\u5e93\u5f15\u64ce\u7684\u5f15\u53f7\u6216\u62ec\u53f7\u5c06\u5176\u5305\u56f4\u3002<\/li>\n
- \u7edf\u4e00\u8868\u540d\u7684\u5355\u590d\u6570\u5f62\u5f0f\u3002\u9009\u62e9\u4e00\u79cd\u5e76\u575a\u6301\u4f7f\u7528\uff08\u4f8b\u5982\uff0c
users<\/code> \u5bf9\u6bd4 user<\/code>).<\/li>\n- \u4f7f\u7528\u88ab\u5f15\u7528\u8868\u540d\u4f5c\u4e3a\u5916\u952e\u5217\u7684\u524d\u7f00\uff08\u4f8b\u5982\uff0c
user_id<\/code>\uff09\u4ee5\u4f7f\u5173\u7cfb\u4e00\u76ee\u4e86\u7136\u3002<\/li>\n<\/ul>\n6. \u5728\u6a21\u5f0f\u4e2d\u786c\u7f16\u7801\u503c \ud83d\uded1<\/h2>\n
\u8bbe\u8ba1\u5e08\u6709\u65f6\u4f1a\u5c06\u7279\u5b9a\u7684\u4e1a\u52a1\u503c\u76f4\u63a5\u5d4c\u5165\u6570\u636e\u5e93\u7ed3\u6784\u4e2d\uff0c\u4f8b\u5982\u4f7f\u7528\u5217\u6765\u5b58\u50a8\u7279\u5b9a\u7684\u72b6\u6001\u7801\uff0c\u5982active<\/code> \u6216 inactive<\/code> \u800c\u4e0d\u662f\u4f7f\u7528\u901a\u7528\u7684\u72b6\u6001\u5b57\u6bb5\uff0c\u6216\u786c\u7f16\u7801\u8d27\u5e01\u7c7b\u578b\u3002<\/p>\n\u5bf9\u7075\u6d3b\u6027\u7684\u5f71\u54cd<\/h3>\n\n- \u6a21\u5f0f\u53d8\u66f4\uff1a<\/strong> \u5982\u679c\u9700\u8981\u65b0\u589e\u72b6\u6001\uff0c\u53ef\u80fd\u4e0d\u5f97\u4e0d\u66f4\u6539\u8868\u7ed3\u6784\u6216\u6dfb\u52a0\u65b0\u5217\uff0c\u4ece\u800c\u5f15\u53d1\u90e8\u7f72\u505c\u673a\u3002<\/li>\n
- \u6570\u636e\u9a8c\u8bc1\uff1a<\/strong> \u5e94\u7528\u4ee3\u7801\u901a\u5e38\u4f1a\u9a8c\u8bc1\u8fd9\u4e9b\u503c\uff0c\u4f46\u6570\u636e\u5e93\u6a21\u5f0f\u5e94\u901a\u8fc7\u7ea6\u675f\u5f3a\u5236\u6267\u884c\u6709\u6548\u8303\u56f4\u6216\u96c6\u5408\u3002<\/li>\n
- \u672c\u5730\u5316\u95ee\u9898\uff1a<\/strong> \u786c\u7f16\u7801\u6587\u672c\u503c\uff0c\u4f8b\u5982
USD<\/code> \u6216 English<\/code> \u4f1a\u4f7f\u5168\u7403\u6269\u5c55\u53d8\u5f97\u56f0\u96be\u3002<\/li>\n<\/ul>\n\u4e3a\u53ef\u6269\u5c55\u6027\u8fdb\u884c\u91cd\u6784<\/h3>\n\n- \u4f7f\u7528\u67e5\u627e\u8868<\/strong> \u7528\u4e8e\u4efb\u4f55\u53ef\u80fd\u53d8\u5316\u6216\u589e\u957f\u7684\u503c\u96c6\u5408\uff08\u4f8b\u5982\uff1a\u72b6\u6001\u3001\u8d27\u5e01\u3001\u56fd\u5bb6\uff09\u3002<\/li>\n
- \u5b9e\u73b0\u68c0\u67e5\u7ea6\u675f<\/strong> \u4ee5\u786e\u4fdd\u53ea\u8f93\u5165\u6709\u6548\u503c\uff0c\u4f46\u5c06\u8fd9\u4e9b\u503c\u7684\u5b9a\u4e49\u4fdd\u7559\u5728\u5e94\u7528\u7a0b\u5e8f\u6216\u5355\u72ec\u7684\u914d\u7f6e\u8868\u4e2d\u3002<\/li>\n
- \u4ec5\u5f53\u6570\u636e\u5e93\u7cfb\u7edf\u7a33\u5065\u652f\u6301\u679a\u4e3e\u7c7b\u578b\u4e14\u96c6\u5408\u786e\u5b9e\u56fa\u5b9a\u65f6\u624d\u4f7f\u7528\u679a\u4e3e\u3002<\/li>\n
- \u5c06\u914d\u7f6e\u6570\u636e\u4e0e\u4e8b\u52a1\u6570\u636e\u5206\u5f00\u3002<\/li>\n<\/ul>\n
7. \u5ffd\u89c6\u672a\u6765\u53ef\u6269\u5c55\u6027 \ud83d\udcc8<\/h2>\n
\u8bb8\u591aERD\u4ec5\u9488\u5bf9\u5f53\u524d\u6570\u636e\u96c6\u5927\u5c0f\u8bbe\u8ba1\uff0c\u672a\u8003\u8651\u672a\u6765\u589e\u957f\u3002\u4e00\u4e2a\u57281000\u6761\u8bb0\u5f55\u4e0b\u8fd0\u884c\u826f\u597d\u7684\u6a21\u5f0f\uff0c\u53ef\u80fd\u57281000\u4e07\u6761\u8bb0\u5f55\u65f6\u56e0\u9501\u5b9a\u3001\u7d22\u5f15\u6216\u5206\u7247\u95ee\u9898\u800c\u5f7b\u5e95\u5931\u8d25\u3002<\/p>\n
\u53ef\u6269\u5c55\u6027\u9677\u9631<\/h3>\n\n- \u5927\u6587\u672c\u5b57\u6bb5\uff1a<\/strong> \u5728\u4e3b\u8868\u4e2d\u5b58\u50a8\u5927\u91cf\u4e8c\u8fdb\u5236\u5927\u5bf9\u8c61\u6216\u957f\u6587\u672c\u5b57\u7b26\u4e32\u4f1a\u5bfc\u81f4\u7d22\u5f15\u81a8\u80c0\u5e76\u51cf\u6162\u8bfb\u53d6\u901f\u5ea6\u3002<\/li>\n
- \u7f3a\u4e4f\u5206\u7247\u952e\uff1a<\/strong> \u5982\u679c\u6a21\u5f0f\u672a\u8003\u8651\u6570\u636e\u5c06\u5982\u4f55\u5206\u7247\u6216\u5206\u533a\uff08\u4f8b\u5982\u6309\u65e5\u671f\u6216\u5730\u533a\uff09\uff0c\u672a\u6765\u6a2a\u5411\u6269\u5c55\u5c06\u53d8\u6210\u91cd\u5927\u91cd\u6784\u3002<\/li>\n
- \u7f3a\u5c11\u7d22\u5f15\uff1a<\/strong> \u672a\u80fd\u9884\u89c1\u5230\u672a\u6765\u54ea\u4e9b\u5217\u5c06\u7528\u4e8e\u8fc7\u6ee4\u6216\u6392\u5e8f\uff0c\u4f1a\u5bfc\u81f4\u6027\u80fd\u74f6\u9888\u3002<\/li>\n
- \u5199\u5165\u5bc6\u96c6\u578b\u6a21\u5f0f\uff1a<\/strong> \u4e00\u4e2a\u9488\u5bf9\u8bfb\u53d6\u4f18\u5316\u7684\u8bbe\u8ba1\u53ef\u80fd\u7531\u4e8e\u5916\u952e\u4e0a\u7684\u9501\u5b9a\u673a\u5236\u800c\u5728\u9ad8\u5199\u5165\u91cf\u60c5\u51b5\u4e0b\u51fa\u73b0\u74f6\u9888\u3002<\/li>\n<\/ul>\n
\u4e3a\u589e\u957f\u800c\u8bbe\u8ba1<\/h3>\n\n- \u5ba1\u67e5 \u8bfb\u5199\u6bd4\u4f8b<\/strong> \u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u5982\u679c\u5199\u5165\u8f83\u591a\uff0c\u8bf7\u5c3d\u91cf\u51cf\u5c11\u5bfc\u81f4\u9501\u5b9a\u7684\u5916\u952e\u7ea6\u675f\u3002<\/li>\n
- \u8bbe\u8ba1 \u5206\u533a\u952e<\/strong> \u5230\u4f60\u7684\u4e3b\u6a21\u5f0f\u4e2d\u3002\u786e\u4fdd\u6bcf\u4e2a\u8868\u90fd\u6709\u4e00\u4e2a\u53ef\u7528\u4e8e\u903b\u8f91\u5206\u5272\u6570\u636e\u7684\u5217\u3002<\/li>\n
- \u5c06\u5927\u91cf\u6587\u672c\u6570\u636e\u5206\u79bb\u5230\u5355\u72ec\u7684\u8868\u4e2d\uff08\u4e00\u5bf9\u4e00\u5173\u7cfb\uff09\uff0c\u4ee5\u4fdd\u6301\u4e3b\u7d22\u5f15\u7684\u7b80\u6d01\u3002<\/li>\n
- \u8ba1\u5212\u91c7\u7528 \u8f6f\u5220\u9664<\/strong> \u800c\u975e\u786c\u5220\u9664\uff0c\u4ee5\u4fdd\u7559\u6570\u636e\u5386\u53f2\u8bb0\u5f55\uff0c\u540c\u65f6\u4e0d\u5f71\u54cd\u5f53\u524d\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<\/ul>\n
\u6700\u4f73\u5b9e\u8df5\u6458\u8981 \ud83d\udccb<\/h2>\n
\u4e3a\u786e\u4fdd\u6570\u636e\u5e93\u4fdd\u6301\u7a33\u5b9a\u4e14\u6613\u4e8e\u7ef4\u62a4\uff0c\u8bf7\u5728\u90e8\u7f72\u524d\u6839\u636e\u4ee5\u4e0b\u68c0\u67e5\u6e05\u5355\u5ba1\u67e5\u4f60\u7684\u5b9e\u4f53\u5173\u7cfb\u56fe\u3002<\/p>\n
\n- \u952e\uff1a<\/strong> \u6bcf\u4e2a\u8868\u90fd\u6709\u4e3b\u952e\u3002\u5916\u952e\u5df2\u5efa\u7acb\u7d22\u5f15\u3002<\/li>\n
- \u5173\u7cfb\uff1a<\/strong> \u57fa\u6570\u5df2\u660e\u786e\u754c\u5b9a\u3002\u591a\u5bf9\u591a\u5173\u7cfb\u4f7f\u7528\u8fde\u63a5\u8868\u3002<\/li>\n
- \u89c4\u8303\u5316\uff1a<\/strong> \u6570\u636e\u5197\u4f59\u6839\u636e\u7b2c\u4e09\u8303\u5f0f\uff083NF\uff09\u6807\u51c6\u88ab\u6700\u5c0f\u5316\u3002<\/li>\n
- \u4f9d\u8d56\u5173\u7cfb\uff1a<\/strong> \u65e0\u5ef6\u8fdf\u7ea6\u675f\u7684\u5916\u952e\u5faa\u73af\u4f9d\u8d56\u3002<\/li>\n
- \u547d\u540d\uff1a<\/strong> \u5168\u5c40\u4f7f\u7528\u4e00\u81f4\u7684\u5927\u5c0f\u5199\u548c\u63cf\u8ff0\u6027\u540d\u79f0\u3002<\/li>\n
- \u503c\uff1a<\/strong> \u6a21\u5f0f\u7ed3\u6784\u4e2d\u6ca1\u6709\u786c\u7f16\u7801\u7684\u4e1a\u52a1\u903b\u8f91\u3002<\/li>\n
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- \u5728\u56fe\u793a\u8fde\u7ebf\u4e2d\u6e05\u6670\u6807\u6ce8\u57fa\u6570\u3002<\/li>\n
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\u4e3a\u4f55\u8fd9\u4f1a\u7834\u574f\u7cfb\u7edf<\/h3>\n\n- \u521d\u59cb\u5316\u9519\u8bef\uff1a<\/strong> \u5728\u90e8\u7f72\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u5b58\u5728\u5faa\u73af\u5f15\u7528\uff08\u4f8b\u5982\uff0c\u8868 A \u5f15\u7528 B\uff0c\u800c B \u53c8\u5f15\u7528 A\uff09\uff0c\u6570\u636e\u5e93\u5f15\u64ce\u53ef\u80fd\u4f1a\u62d2\u7edd\u521b\u5efa\u5916\u952e\u7ea6\u675f\uff0c\u9664\u975e\u4f7f\u7528\u5ef6\u8fdf\u7ea6\u675f\u6765\u5904\u7406\u3002<\/li>\n
- \u67e5\u8be2\u6808\u6ea2\u51fa\uff1a<\/strong> \u65e0\u6cd5\u8bbe\u7f6e\u505c\u6b62\u6761\u4ef6\u7684\u9012\u5f52\u67e5\u8be2\u5728\u904d\u5386\u8fd9\u4e9b\u5faa\u73af\u65f6\u53ef\u80fd\u4f1a\u6d88\u8017\u6240\u6709\u53ef\u7528\u5185\u5b58\u3002<\/li>\n
- \u5f15\u7528\u5b8c\u6574\u6027\u8fdd\u89c4\uff1a<\/strong> \u5982\u679c\u5b50\u8868\u672a\u88ab\u6e05\u9664\uff0c\u5220\u9664\u7236\u8868\u53ef\u80fd\u4f1a\u5931\u8d25\uff1b\u4f46\u6e05\u9664\u5b50\u8868\u4e5f\u53ef\u80fd\u56e0\u5176\u4ed6\u4f9d\u8d56\u5173\u7cfb\u800c\u5931\u8d25\u3002<\/li>\n<\/ul>\n
\u5982\u4f55\u89e3\u51b3<\/h3>\n\n- \u4f7f\u7528\u5ef6\u8fdf\u7ea6\u675f<\/strong> \u5982\u679c\u4f60\u7684\u6570\u636e\u5e93\u652f\u6301\u5b83\u4eec\uff0c\u53ef\u4ee5\u5728\u6240\u6709\u6570\u636e\u52a0\u8f7d\u5b8c\u6210\u540e\u7531\u6570\u636e\u5e93\u68c0\u67e5\u5173\u7cfb\u3002<\/li>\n
- \u5bf9\u4e8e\u81ea\u5f15\u7528\u8868\uff08\u5982\u5206\u7c7b\uff09\uff0c\u786e\u4fdd\u5916\u952e\u53ef\u4e3a\u7a7a\uff0c\u4ee5\u5141\u8bb8\u6839\u8282\u70b9\u7684\u5b58\u5728\u3002<\/li>\n
- \u8bbe\u8ba1\u6a21\u5f0f\u65f6\u5e94\u5141\u8bb8\u903b\u8f91\u5c42\u7ea7\u7ed3\u6784\uff0c\u800c\u65e0\u9700\u5728\u6bcf\u4e00\u5c42\u90fd\u5f3a\u5236\u4f7f\u7528\u7269\u7406\u5916\u952e\u5faa\u73af\u3002<\/li>\n
- \u5b9e\u73b0\u8f6f\u5220\u9664\u4ee5\u5b89\u5168\u5730\u7ba1\u7406\u5220\u9664\u7ea7\u8054\u3002<\/li>\n<\/ul>\n
5. \u547d\u540d\u89c4\u8303\u4e0d\u4e00\u81f4 \ud83d\udcdd<\/h2>\n
\u540d\u79f0\u662f\u4eba\u4e0e\u673a\u5668\u4e4b\u95f4\u7684\u63a5\u53e3\u3002\u8868\u540d\u548c\u5217\u540d\u4e2d\u547d\u540d\u4e0d\u4e00\u81f4\u4f1a\u4f7f\u6a21\u5f0f\u96be\u4ee5\u7406\u89e3\u3001\u7ef4\u62a4\u548c\u67e5\u8be2\u3002\u8fd9\u901a\u5e38\u6e90\u4e8e\u7f3a\u4e4f\u5171\u4eab\u7684\u547d\u540d\u89c4\u8303\u6307\u5357\u3002<\/p>\n
\u5177\u4f53\u95ee\u9898<\/h3>\n\n- \u5927\u5c0f\u5199\u6df7\u5408\uff1a<\/strong> \u6df7\u5408\u4f7f\u7528
\u9a7c\u5cf0\u547d\u540d\u6cd5<\/code>, \u4e0b\u5212\u7ebf\u547d\u540d\u6cd5<\/code>\uff0c\u4ee5\u53ca\u5e15\u65af\u5361\u547d\u540d\u6cd5<\/code> \u4f1a\u4f7f\u67e5\u8be2\u6570\u636e\u7684\u5f00\u53d1\u4eba\u5458\u611f\u5230\u56f0\u60d1\u3002<\/li>\n- \u4fdd\u7559\u5173\u952e\u5b57\uff1a<\/strong> \u4f7f\u7528\u5982
order<\/code>, group<\/code>\uff0c\u6216user<\/code> \u4e0d\u8fdb\u884c\u8f6c\u4e49\u53ef\u80fd\u5bfc\u81f4 SQL \u67e5\u8be2\u4e2d\u7684\u8bed\u6cd5\u9519\u8bef\u3002<\/li>\n- \u7f29\u5199\uff1a<\/strong> \u4f7f\u7528
usr_id<\/code> \u5bf9\u6bd4 user_id<\/code> \u5bf9\u6bd4 uid<\/code> \u5728\u4e0d\u540c\u8868\u4e2d\u4f7f\u7528\u4f1a\u5bfc\u81f4\u6e05\u6670\u5ea6\u964d\u4f4e\u3002<\/li>\n- \u5197\u957f\u4e0e\u7b80\u6d01\uff1a<\/strong> \u4e00\u4e9b\u5217\u540d\u8fc7\u957f\uff0c\u800c\u53e6\u4e00\u4e9b\u5219\u662f\u6666\u6da9\u7684\u7f29\u5199\u3002<\/li>\n<\/ul>\n
\u5efa\u7acb\u6807\u51c6<\/h3>\n\n- \u91c7\u7528\u4e00\u81f4\u7684\u5927\u5c0f\u5199\u7b56\u7565\uff08\u4f8b\u5982\uff0c
snake_case<\/code> \u7528\u4e8e SQL \u8868\u88ab\u5e7f\u6cdb\u63a8\u8350\uff09\u3002<\/li>\n- \u4f7f\u7528\u80fd\u53cd\u6620\u4e1a\u52a1\u542b\u4e49\u7684\u63cf\u8ff0\u6027\u540d\u79f0\uff0c\u800c\u4e0d\u662f\u5185\u90e8\u5b9e\u73b0\u7ec6\u8282\u3002<\/li>\n
- \u5b8c\u5168\u907f\u514d\u4f7f\u7528\u4fdd\u7559\u5173\u952e\u5b57\u3002\u5982\u679c\u4e0d\u53ef\u907f\u514d\uff0c\u5e94\u4f7f\u7528\u7279\u5b9a\u6570\u636e\u5e93\u5f15\u64ce\u7684\u5f15\u53f7\u6216\u62ec\u53f7\u5c06\u5176\u5305\u56f4\u3002<\/li>\n
- \u7edf\u4e00\u8868\u540d\u7684\u5355\u590d\u6570\u5f62\u5f0f\u3002\u9009\u62e9\u4e00\u79cd\u5e76\u575a\u6301\u4f7f\u7528\uff08\u4f8b\u5982\uff0c
users<\/code> \u5bf9\u6bd4 user<\/code>).<\/li>\n- \u4f7f\u7528\u88ab\u5f15\u7528\u8868\u540d\u4f5c\u4e3a\u5916\u952e\u5217\u7684\u524d\u7f00\uff08\u4f8b\u5982\uff0c
user_id<\/code>\uff09\u4ee5\u4f7f\u5173\u7cfb\u4e00\u76ee\u4e86\u7136\u3002<\/li>\n<\/ul>\n6. \u5728\u6a21\u5f0f\u4e2d\u786c\u7f16\u7801\u503c \ud83d\uded1<\/h2>\n
\u8bbe\u8ba1\u5e08\u6709\u65f6\u4f1a\u5c06\u7279\u5b9a\u7684\u4e1a\u52a1\u503c\u76f4\u63a5\u5d4c\u5165\u6570\u636e\u5e93\u7ed3\u6784\u4e2d\uff0c\u4f8b\u5982\u4f7f\u7528\u5217\u6765\u5b58\u50a8\u7279\u5b9a\u7684\u72b6\u6001\u7801\uff0c\u5982active<\/code> \u6216 inactive<\/code> \u800c\u4e0d\u662f\u4f7f\u7528\u901a\u7528\u7684\u72b6\u6001\u5b57\u6bb5\uff0c\u6216\u786c\u7f16\u7801\u8d27\u5e01\u7c7b\u578b\u3002<\/p>\n\u5bf9\u7075\u6d3b\u6027\u7684\u5f71\u54cd<\/h3>\n\n- \u6a21\u5f0f\u53d8\u66f4\uff1a<\/strong> \u5982\u679c\u9700\u8981\u65b0\u589e\u72b6\u6001\uff0c\u53ef\u80fd\u4e0d\u5f97\u4e0d\u66f4\u6539\u8868\u7ed3\u6784\u6216\u6dfb\u52a0\u65b0\u5217\uff0c\u4ece\u800c\u5f15\u53d1\u90e8\u7f72\u505c\u673a\u3002<\/li>\n
- \u6570\u636e\u9a8c\u8bc1\uff1a<\/strong> \u5e94\u7528\u4ee3\u7801\u901a\u5e38\u4f1a\u9a8c\u8bc1\u8fd9\u4e9b\u503c\uff0c\u4f46\u6570\u636e\u5e93\u6a21\u5f0f\u5e94\u901a\u8fc7\u7ea6\u675f\u5f3a\u5236\u6267\u884c\u6709\u6548\u8303\u56f4\u6216\u96c6\u5408\u3002<\/li>\n
- \u672c\u5730\u5316\u95ee\u9898\uff1a<\/strong> \u786c\u7f16\u7801\u6587\u672c\u503c\uff0c\u4f8b\u5982
USD<\/code> \u6216 English<\/code> \u4f1a\u4f7f\u5168\u7403\u6269\u5c55\u53d8\u5f97\u56f0\u96be\u3002<\/li>\n<\/ul>\n\u4e3a\u53ef\u6269\u5c55\u6027\u8fdb\u884c\u91cd\u6784<\/h3>\n\n- \u4f7f\u7528\u67e5\u627e\u8868<\/strong> \u7528\u4e8e\u4efb\u4f55\u53ef\u80fd\u53d8\u5316\u6216\u589e\u957f\u7684\u503c\u96c6\u5408\uff08\u4f8b\u5982\uff1a\u72b6\u6001\u3001\u8d27\u5e01\u3001\u56fd\u5bb6\uff09\u3002<\/li>\n
- \u5b9e\u73b0\u68c0\u67e5\u7ea6\u675f<\/strong> \u4ee5\u786e\u4fdd\u53ea\u8f93\u5165\u6709\u6548\u503c\uff0c\u4f46\u5c06\u8fd9\u4e9b\u503c\u7684\u5b9a\u4e49\u4fdd\u7559\u5728\u5e94\u7528\u7a0b\u5e8f\u6216\u5355\u72ec\u7684\u914d\u7f6e\u8868\u4e2d\u3002<\/li>\n
- \u4ec5\u5f53\u6570\u636e\u5e93\u7cfb\u7edf\u7a33\u5065\u652f\u6301\u679a\u4e3e\u7c7b\u578b\u4e14\u96c6\u5408\u786e\u5b9e\u56fa\u5b9a\u65f6\u624d\u4f7f\u7528\u679a\u4e3e\u3002<\/li>\n
- \u5c06\u914d\u7f6e\u6570\u636e\u4e0e\u4e8b\u52a1\u6570\u636e\u5206\u5f00\u3002<\/li>\n<\/ul>\n
7. \u5ffd\u89c6\u672a\u6765\u53ef\u6269\u5c55\u6027 \ud83d\udcc8<\/h2>\n
\u8bb8\u591aERD\u4ec5\u9488\u5bf9\u5f53\u524d\u6570\u636e\u96c6\u5927\u5c0f\u8bbe\u8ba1\uff0c\u672a\u8003\u8651\u672a\u6765\u589e\u957f\u3002\u4e00\u4e2a\u57281000\u6761\u8bb0\u5f55\u4e0b\u8fd0\u884c\u826f\u597d\u7684\u6a21\u5f0f\uff0c\u53ef\u80fd\u57281000\u4e07\u6761\u8bb0\u5f55\u65f6\u56e0\u9501\u5b9a\u3001\u7d22\u5f15\u6216\u5206\u7247\u95ee\u9898\u800c\u5f7b\u5e95\u5931\u8d25\u3002<\/p>\n
\u53ef\u6269\u5c55\u6027\u9677\u9631<\/h3>\n\n- \u5927\u6587\u672c\u5b57\u6bb5\uff1a<\/strong> \u5728\u4e3b\u8868\u4e2d\u5b58\u50a8\u5927\u91cf\u4e8c\u8fdb\u5236\u5927\u5bf9\u8c61\u6216\u957f\u6587\u672c\u5b57\u7b26\u4e32\u4f1a\u5bfc\u81f4\u7d22\u5f15\u81a8\u80c0\u5e76\u51cf\u6162\u8bfb\u53d6\u901f\u5ea6\u3002<\/li>\n
- \u7f3a\u4e4f\u5206\u7247\u952e\uff1a<\/strong> \u5982\u679c\u6a21\u5f0f\u672a\u8003\u8651\u6570\u636e\u5c06\u5982\u4f55\u5206\u7247\u6216\u5206\u533a\uff08\u4f8b\u5982\u6309\u65e5\u671f\u6216\u5730\u533a\uff09\uff0c\u672a\u6765\u6a2a\u5411\u6269\u5c55\u5c06\u53d8\u6210\u91cd\u5927\u91cd\u6784\u3002<\/li>\n
- \u7f3a\u5c11\u7d22\u5f15\uff1a<\/strong> \u672a\u80fd\u9884\u89c1\u5230\u672a\u6765\u54ea\u4e9b\u5217\u5c06\u7528\u4e8e\u8fc7\u6ee4\u6216\u6392\u5e8f\uff0c\u4f1a\u5bfc\u81f4\u6027\u80fd\u74f6\u9888\u3002<\/li>\n
- \u5199\u5165\u5bc6\u96c6\u578b\u6a21\u5f0f\uff1a<\/strong> \u4e00\u4e2a\u9488\u5bf9\u8bfb\u53d6\u4f18\u5316\u7684\u8bbe\u8ba1\u53ef\u80fd\u7531\u4e8e\u5916\u952e\u4e0a\u7684\u9501\u5b9a\u673a\u5236\u800c\u5728\u9ad8\u5199\u5165\u91cf\u60c5\u51b5\u4e0b\u51fa\u73b0\u74f6\u9888\u3002<\/li>\n<\/ul>\n
\u4e3a\u589e\u957f\u800c\u8bbe\u8ba1<\/h3>\n\n- \u5ba1\u67e5 \u8bfb\u5199\u6bd4\u4f8b<\/strong> \u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u5982\u679c\u5199\u5165\u8f83\u591a\uff0c\u8bf7\u5c3d\u91cf\u51cf\u5c11\u5bfc\u81f4\u9501\u5b9a\u7684\u5916\u952e\u7ea6\u675f\u3002<\/li>\n
- \u8bbe\u8ba1 \u5206\u533a\u952e<\/strong> \u5230\u4f60\u7684\u4e3b\u6a21\u5f0f\u4e2d\u3002\u786e\u4fdd\u6bcf\u4e2a\u8868\u90fd\u6709\u4e00\u4e2a\u53ef\u7528\u4e8e\u903b\u8f91\u5206\u5272\u6570\u636e\u7684\u5217\u3002<\/li>\n
- \u5c06\u5927\u91cf\u6587\u672c\u6570\u636e\u5206\u79bb\u5230\u5355\u72ec\u7684\u8868\u4e2d\uff08\u4e00\u5bf9\u4e00\u5173\u7cfb\uff09\uff0c\u4ee5\u4fdd\u6301\u4e3b\u7d22\u5f15\u7684\u7b80\u6d01\u3002<\/li>\n
- \u8ba1\u5212\u91c7\u7528 \u8f6f\u5220\u9664<\/strong> \u800c\u975e\u786c\u5220\u9664\uff0c\u4ee5\u4fdd\u7559\u6570\u636e\u5386\u53f2\u8bb0\u5f55\uff0c\u540c\u65f6\u4e0d\u5f71\u54cd\u5f53\u524d\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<\/ul>\n
\u6700\u4f73\u5b9e\u8df5\u6458\u8981 \ud83d\udccb<\/h2>\n
\u4e3a\u786e\u4fdd\u6570\u636e\u5e93\u4fdd\u6301\u7a33\u5b9a\u4e14\u6613\u4e8e\u7ef4\u62a4\uff0c\u8bf7\u5728\u90e8\u7f72\u524d\u6839\u636e\u4ee5\u4e0b\u68c0\u67e5\u6e05\u5355\u5ba1\u67e5\u4f60\u7684\u5b9e\u4f53\u5173\u7cfb\u56fe\u3002<\/p>\n
\n- \u952e\uff1a<\/strong> \u6bcf\u4e2a\u8868\u90fd\u6709\u4e3b\u952e\u3002\u5916\u952e\u5df2\u5efa\u7acb\u7d22\u5f15\u3002<\/li>\n
- \u5173\u7cfb\uff1a<\/strong> \u57fa\u6570\u5df2\u660e\u786e\u754c\u5b9a\u3002\u591a\u5bf9\u591a\u5173\u7cfb\u4f7f\u7528\u8fde\u63a5\u8868\u3002<\/li>\n
- \u89c4\u8303\u5316\uff1a<\/strong> \u6570\u636e\u5197\u4f59\u6839\u636e\u7b2c\u4e09\u8303\u5f0f\uff083NF\uff09\u6807\u51c6\u88ab\u6700\u5c0f\u5316\u3002<\/li>\n
- \u4f9d\u8d56\u5173\u7cfb\uff1a<\/strong> \u65e0\u5ef6\u8fdf\u7ea6\u675f\u7684\u5916\u952e\u5faa\u73af\u4f9d\u8d56\u3002<\/li>\n
- \u547d\u540d\uff1a<\/strong> \u5168\u5c40\u4f7f\u7528\u4e00\u81f4\u7684\u5927\u5c0f\u5199\u548c\u63cf\u8ff0\u6027\u540d\u79f0\u3002<\/li>\n
- \u503c\uff1a<\/strong> \u6a21\u5f0f\u7ed3\u6784\u4e2d\u6ca1\u6709\u786c\u7f16\u7801\u7684\u4e1a\u52a1\u903b\u8f91\u3002<\/li>\n
- \u6269\u5c55\u6027\uff1a<\/strong> \u6a21\u5f0f\u8003\u8651\u4e86\u672a\u6765\u8d1f\u8f7d\u7684\u5206\u533a\u548c\u7d22\u5f15\u7b56\u7565\u3002<\/li>\n<\/ul>\n
\u5173\u4e8e\u6570\u636e\u5efa\u6a21\u7684\u6700\u540e\u601d\u8003 \ud83e\udde0<\/h2>\n
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