{"id":52928,"date":"2025-08-11T21:39:09","date_gmt":"2025-08-11T13:39:09","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/52928.html"},"modified":"2025-08-11T21:39:09","modified_gmt":"2025-08-11T13:39:09","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%89%e8%8c%83%e5%bc%8f%e5%85%a5%e9%97%a8%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/52928.html","title":{"rendered":"\u6570\u636e\u5e93\u4e09\u8303\u5f0f\u5165\u95e8\u6559\u7a0b"},"content":{"rendered":"<p>\u6570\u636e\u5e93\u8bbe\u8ba1\u662f\u6784\u5efa\u9ad8\u6548\u3001\u7a33\u5b9a\u7cfb\u7edf\u7684\u6838\u5fc3\u73af\u8282&#xff0c;\u800c**\u4e09\u8303\u5f0f&#xff08;3NF&#xff09;**\u662f\u5173\u7cfb\u578b\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u7ecf\u5178\u51c6\u5219&#xff0c;\u65e8\u5728\u901a\u8fc7\u6d88\u9664\u6570\u636e\u5197\u4f59\u3001\u907f\u514d\u66f4\u65b0\u5f02\u5e38&#xff0c;\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u672c\u6559\u7a0b\u5c06\u901a\u8fc7\u901a\u4fd7\u8bed\u8a00\u548c\u5b9e\u4f8b&#xff0c;\u5e2e\u52a9\u4f60\u5feb\u901f\u638c\u63e1\u4e09\u8303\u5f0f\u7684\u6838\u5fc3\u601d\u60f3\u548c\u5e94\u7528\u65b9\u6cd5\u3002<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u4e09\u8303\u5f0f\u6982\u8ff0<\/h3>\n<h4>1. \u4e3a\u4ec0\u4e48\u9700\u8981\u8303\u5f0f&#xff1f;<\/h4>\n<ul>\n<li>\n<p>\u95ee\u9898\u573a\u666f&#xff1a;\u5047\u8bbe\u8bbe\u8ba1\u4e00\u4e2a\u5b66\u751f\u9009\u8bfe\u8868&#xff0c;\u5305\u542b\u5b57\u6bb5&#xff1a;\u5b66\u751fID\u3001\u59d3\u540d\u3001\u5e74\u9f84\u3001\u8bfe\u7a0bID\u3001\u8bfe\u7a0b\u540d\u3001\u6210\u7ee9\u3002<\/p>\n<ul>\n<li>\u5197\u4f59&#xff1a;\u540c\u4e00\u5b66\u751f\u9009\u4fee\u591a\u95e8\u8bfe\u7a0b\u65f6&#xff0c;\u59d3\u540d\u548c\u5e74\u9f84\u4f1a\u91cd\u590d\u5b58\u50a8\u3002<\/li>\n<li>\u66f4\u65b0\u5f02\u5e38&#xff1a;\u4fee\u6539\u5b66\u751f\u5e74\u9f84\u9700\u66f4\u65b0\u591a\u884c\u6570\u636e&#xff0c;\u5bb9\u6613\u9057\u6f0f\u3002<\/li>\n<li>\u63d2\u5165\u5f02\u5e38&#xff1a;\u65b0\u589e\u8bfe\u7a0b\u4f46\u65e0\u5b66\u751f\u9009\u4fee\u65f6&#xff0c;\u65e0\u6cd5\u5355\u72ec\u5b58\u50a8\u8bfe\u7a0b\u4fe1\u606f\u3002<\/li>\n<li>\u5220\u9664\u5f02\u5e38&#xff1a;\u5220\u9664\u67d0\u5b66\u751f\u7684\u9009\u8bfe\u8bb0\u5f55\u65f6&#xff0c;\u53ef\u80fd\u610f\u5916\u5220\u9664\u5176\u4e2a\u4eba\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8303\u5f0f\u76ee\u6807&#xff1a;\u901a\u8fc7\u89c4\u8303\u5316\u8bbe\u8ba1&#xff0c;\u5c06\u6570\u636e\u62c6\u5206\u4e3a\u591a\u4e2a\u8868&#xff0c;\u51cf\u5c11\u5197\u4f59&#xff0c;\u907f\u514d\u4e0a\u8ff0\u95ee\u9898\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>2. \u4e09\u8303\u5f0f\u7684\u5c42\u7ea7\u5173\u7cfb<\/h4>\n<ul>\n<li>\u7b2c\u4e00\u8303\u5f0f&#xff08;1NF&#xff09;&#xff1a;\u57fa\u7840\u8981\u6c42&#xff0c;\u786e\u4fdd\u6570\u636e\u539f\u5b50\u6027\u3002<\/li>\n<li>\u7b2c\u4e8c\u8303\u5f0f&#xff08;2NF&#xff09;&#xff1a;\u57281NF\u57fa\u7840\u4e0a&#xff0c;\u6d88\u9664\u90e8\u5206\u4f9d\u8d56&#xff08;\u9488\u5bf9\u590d\u5408\u4e3b\u952e&#xff09;\u3002<\/li>\n<li>\u7b2c\u4e09\u8303\u5f0f&#xff08;3NF&#xff09;&#xff1a;\u57282NF\u57fa\u7840\u4e0a&#xff0c;\u6d88\u9664\u4f20\u9012\u4f9d\u8d56&#xff08;\u975e\u4e3b\u952e\u5b57\u6bb5\u95f4\u65e0\u4f9d\u8d56&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u5173\u7cfb\u56fe&#xff1a;<\/p>\n<p>\u539f\u59cb\u8868 \u2192 1NF \u2192 2NF \u2192 3NF<\/p>\n<hr \/>\n<h3>\u4e8c\u3001\u7b2c\u4e00\u8303\u5f0f&#xff08;1NF&#xff09;&#xff1a;\u786e\u4fdd\u6570\u636e\u539f\u5b50\u6027<\/h3>\n<h4>1. \u5b9a\u4e49<\/h4>\n<ul>\n<li>\u6bcf\u4e2a\u5b57\u6bb5\u7684\u503c\u5fc5\u987b\u662f\u4e0d\u53ef\u5206\u5272\u7684\u539f\u5b50\u503c&#xff08;\u65e0\u91cd\u590d\u7ec4\u3001\u65e0\u5d4c\u5957\u7ed3\u6784&#xff09;\u3002<\/li>\n<li>\u4f8b\u5982&#xff1a;\u7535\u8bdd\u5b57\u6bb5\u4e0d\u80fd\u5b58\u50a8\u591a\u4e2a\u53f7\u7801&#xff08;\u5982&#034;123-456,789-012&#034;&#xff09;&#xff0c;\u5e94\u62c6\u5206\u4e3a\u591a\u884c\u6216\u5355\u72ec\u8868\u3002<\/li>\n<\/ul>\n<h4>2. \u53cd\u4f8b\u4e0e\u4fee\u6b63<\/h4>\n<ul>\n<li>\u53cd\u4f8b&#xff1a;\u8ba2\u5355\u8868\u5305\u542b\u5546\u54c1\u5b57\u6bb5&#xff0c;\u503c\u4e3a&#034;\u82f9\u679c,\u9999\u8549&#034;\u3002<\/li>\n<li>\u95ee\u9898&#xff1a;\u65e0\u6cd5\u76f4\u63a5\u67e5\u8be2\u201c\u8d2d\u4e70\u4e86\u82f9\u679c\u7684\u8ba2\u5355\u201d\u3002<\/li>\n<li>\u4fee\u6b63&#xff1a;\u62c6\u5206\u4e3a\u8ba2\u5355ID\u3001\u5546\u54c1ID&#xff0c;\u5173\u8054\u5546\u54c1\u8868\u3002<\/li>\n<\/ul>\n<h4>3. \u64cd\u4f5c\u6b65\u9aa4<\/h4>\n<li>\u68c0\u67e5\u6240\u6709\u5b57\u6bb5\u662f\u5426\u4e3a\u5355\u4e00\u503c\u3002<\/li>\n<li>\u5c06\u590d\u5408\u503c\u62c6\u5206\u4e3a\u591a\u884c\u6216\u5173\u8054\u8868\u3002<\/li>\n<p>\u793a\u4f8b&#xff1a;<br \/>\n\u539f\u59cb\u8868&#xff08;\u4e0d\u6ee1\u8db31NF&#xff09;&#xff1a;<\/p>\n<table>\n<tr>\u5b66\u751fID\u59d3\u540d\u9009\u4fee\u8bfe\u7a0b<\/tr>\n<tbody>\n<tr>\n<td>001<\/td>\n<td>\u5f20\u4e09<\/td>\n<td>\u6570\u5b66,\u7269\u7406<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4fee\u6b63\u540e&#xff08;\u6ee1\u8db31NF&#xff09;&#xff1a;<\/p>\n<table>\n<tr>\u5b66\u751fID\u59d3\u540d\u8bfe\u7a0bID\u8bfe\u7a0b\u540d<\/tr>\n<tbody>\n<tr>\n<td>001<\/td>\n<td>\u5f20\u4e09<\/td>\n<td>101<\/td>\n<td>\u6570\u5b66<\/td>\n<\/tr>\n<tr>\n<td>001<\/td>\n<td>\u5f20\u4e09<\/td>\n<td>102<\/td>\n<td>\u7269\u7406<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e09\u3001\u7b2c\u4e8c\u8303\u5f0f&#xff08;2NF&#xff09;&#xff1a;\u6d88\u9664\u90e8\u5206\u4f9d\u8d56<\/h3>\n<h4>1. \u5b9a\u4e49<\/h4>\n<ul>\n<li>\u6ee1\u8db31NF&#xff0c;\u4e14\u975e\u4e3b\u952e\u5b57\u6bb5\u5fc5\u987b\u5b8c\u5168\u4f9d\u8d56\u4e8e\u6574\u4e2a\u4e3b\u952e&#xff08;\u9488\u5bf9\u590d\u5408\u4e3b\u952e&#xff09;\u3002<\/li>\n<li>\u82e5\u4e3b\u952e\u4e3a\u5355\u5b57\u6bb5&#xff0c;\u5219\u81ea\u52a8\u6ee1\u8db32NF\u3002<\/li>\n<\/ul>\n<h4>2. \u5173\u952e\u6982\u5ff5<\/h4>\n<ul>\n<li>\u5b8c\u5168\u4f9d\u8d56&#xff1a;\u975e\u4e3b\u952e\u5b57\u6bb5\u7684\u503c\u5fc5\u987b\u7531\u6574\u4e2a\u4e3b\u952e\u51b3\u5b9a&#xff0c;\u800c\u975e\u90e8\u5206\u3002<\/li>\n<li>\u90e8\u5206\u4f9d\u8d56&#xff1a;\u975e\u4e3b\u952e\u5b57\u6bb5\u4ec5\u4f9d\u8d56\u4e3b\u952e\u7684\u4e00\u90e8\u5206\u3002<\/li>\n<\/ul>\n<h4>3. \u53cd\u4f8b\u4e0e\u4fee\u6b63<\/h4>\n<ul>\n<li>\u573a\u666f&#xff1a;\u5b66\u751f\u9009\u8bfe\u8868&#xff0c;\u4e3b\u952e\u4e3a(\u5b66\u751fID, \u8bfe\u7a0bID)&#xff0c;\u5305\u542b\u5b57\u6bb5&#xff1a;<br \/>\n\u5b66\u751fID\u3001\u59d3\u540d\u3001\u8bfe\u7a0bID\u3001\u8bfe\u7a0b\u540d\u3001\u6210\u7ee9\u3002<\/li>\n<li>\u95ee\u9898&#xff1a;\n<ul>\n<li>\u59d3\u540d\u4ec5\u4f9d\u8d56\u5b66\u751fID&#xff08;\u90e8\u5206\u4f9d\u8d56&#xff09;\u3002<\/li>\n<li>\u8bfe\u7a0b\u540d\u4ec5\u4f9d\u8d56\u8bfe\u7a0bID&#xff08;\u90e8\u5206\u4f9d\u8d56&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4fee\u6b63&#xff1a;\u62c6\u5206\u4e3a\u4e09\u5f20\u8868&#xff1a;\n<ul>\n<li>\u5b66\u751f\u8868&#xff1a;\u5b66\u751fID\u3001\u59d3\u540d<\/li>\n<li>\u8bfe\u7a0b\u8868&#xff1a;\u8bfe\u7a0bID\u3001\u8bfe\u7a0b\u540d<\/li>\n<li>\u9009\u8bfe\u8868&#xff1a;\u5b66\u751fID\u3001\u8bfe\u7a0bID\u3001\u6210\u7ee9<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>4. \u64cd\u4f5c\u6b65\u9aa4<\/h4>\n<li>\u786e\u8ba4\u4e3b\u952e\u662f\u5426\u4e3a\u590d\u5408\u952e\u3002<\/li>\n<li>\u627e\u51fa\u4ec5\u4f9d\u8d56\u4e3b\u952e\u90e8\u5206\u7684\u5b57\u6bb5\u3002<\/li>\n<li>\u5c06\u8fd9\u4e9b\u5b57\u6bb5\u62c6\u5206\u5230\u5173\u8054\u8868\u4e2d\u3002<\/li>\n<hr \/>\n<h3>\u56db\u3001\u7b2c\u4e09\u8303\u5f0f&#xff08;3NF&#xff09;&#xff1a;\u6d88\u9664\u4f20\u9012\u4f9d\u8d56<\/h3>\n<h4>1. \u5b9a\u4e49<\/h4>\n<ul>\n<li>\u6ee1\u8db32NF&#xff0c;\u4e14\u975e\u4e3b\u952e\u5b57\u6bb5\u4e4b\u95f4\u4e0d\u80fd\u5b58\u5728\u4f9d\u8d56\u5173\u7cfb&#xff08;\u5373\u975e\u4e3b\u952e\u5b57\u6bb5\u5fc5\u987b\u76f4\u63a5\u4f9d\u8d56\u4e3b\u952e&#xff09;\u3002<\/li>\n<\/ul>\n<h4>2. \u5173\u952e\u6982\u5ff5<\/h4>\n<ul>\n<li>\u4f20\u9012\u4f9d\u8d56&#xff1a;\u82e5A\u2192B\u4e14B\u2192C&#xff0c;\u5219C\u4f20\u9012\u4f9d\u8d56\u4e8eA&#xff08;\u901a\u8fc7B&#xff09;\u3002<\/li>\n<li>\u76f4\u63a5\u4f9d\u8d56&#xff1a;C\u5e94\u76f4\u63a5\u4f9d\u8d56A&#xff0c;\u800c\u975e\u901a\u8fc7\u5176\u4ed6\u5b57\u6bb5\u3002<\/li>\n<\/ul>\n<h4>3. \u53cd\u4f8b\u4e0e\u4fee\u6b63<\/h4>\n<ul>\n<li>\u573a\u666f&#xff1a;\u5b66\u751f\u8868\u5305\u542b\u5b57\u6bb5&#xff1a;\u5b66\u751fID\u3001\u59d3\u540d\u3001\u7cfb\u522b\u3001\u7cfb\u4e3b\u4efb\u3002<\/li>\n<li>\u95ee\u9898&#xff1a;\n<ul>\n<li>\u7cfb\u4e3b\u4efb\u4f9d\u8d56\u7cfb\u522b&#xff0c;\u800c\u7cfb\u522b\u4f9d\u8d56\u5b66\u751fID\u3002<\/li>\n<li>\u4fee\u6539\u7cfb\u4e3b\u4efb\u65f6\u9700\u66f4\u65b0\u6240\u6709\u8be5\u7cfb\u5b66\u751f\u8bb0\u5f55&#xff0c;\u6613\u51fa\u9519\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4fee\u6b63&#xff1a;\u62c6\u5206\u4e3a\u4e24\u5f20\u8868&#xff1a;\n<ul>\n<li>\u5b66\u751f\u8868&#xff1a;\u5b66\u751fID\u3001\u59d3\u540d\u3001\u7cfb\u522b<\/li>\n<li>\u7cfb\u522b\u8868&#xff1a;\u7cfb\u522b\u3001\u7cfb\u4e3b\u4efb<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>4. 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\/>\n<h3>\u4e94\u3001\u4e09\u8303\u5f0f\u7efc\u5408\u5e94\u7528\u6848\u4f8b<\/h3>\n<h4>\u6848\u4f8b&#xff1a;\u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf<\/h4>\n<h5>\u539f\u59cb\u8868\u8bbe\u8ba1&#xff08;\u95ee\u9898\u8868&#xff09;<\/h5>\n<table>\n<tr>\u56fe\u4e66ID\u4e66\u540d\u4f5c\u8005\u51fa\u7248\u793e\u51fa\u7248\u65e5\u671f\u501f\u9605\u4ebaID\u501f\u9605\u4eba\u59d3\u540d\u501f\u9605\u65e5\u671f<\/tr>\n<\/table>\n<h5>\u95ee\u9898<\/h5>\n<li>\u5197\u4f59&#xff1a;\u540c\u4e00\u4f5c\u8005\u7684\u591a\u672c\u4e66\u4f1a\u91cd\u590d\u5b58\u50a8\u4f5c\u8005\u540d\u3002<\/li>\n<li>\u66f4\u65b0\u5f02\u5e38&#xff1a;\u4fee\u6539\u4f5c\u8005\u59d3\u540d\u9700\u66f4\u65b0\u591a\u884c\u3002<\/li>\n<li>\u4f20\u9012\u4f9d\u8d56&#xff1a;\u501f\u9605\u4eba\u59d3\u540d\u4f9d\u8d56\u501f\u9605\u4ebaID&#xff0c;\u800c\u501f\u9605\u4ebaID\u4f9d\u8d56\u56fe\u4e66ID\u3002<\/li>\n<h5>\u89c4\u8303\u5316\u8bbe\u8ba1&#xff08;3NF&#xff09;<\/h5>\n<li>\n<p>\u56fe\u4e66\u8868&#xff08;\u6ee1\u8db31NF&#043;2NF&#043;3NF&#xff09;&#xff1a;<\/p>\n<table>\n<tr>\u56fe\u4e66ID\u4e66\u540d\u4f5c\u8005ID\u51fa\u7248\u793eID\u51fa\u7248\u65e5\u671f<\/tr>\n<\/table>\n<\/li>\n<li>\n<p>\u4f5c\u8005\u8868&#xff08;\u6d88\u9664\u5197\u4f59&#xff09;&#xff1a;<\/p>\n<table>\n<tr>\u4f5c\u8005ID\u4f5c\u8005\u59d3\u540d<\/tr>\n<\/table>\n<\/li>\n<li>\n<p>\u51fa\u7248\u793e\u8868&#xff08;\u6d88\u9664\u5197\u4f59&#xff09;&#xff1a;<\/p>\n<table>\n<tr>\u51fa\u7248\u793eID\u51fa\u7248\u793e\u540d<\/tr>\n<\/table>\n<\/li>\n<li>\n<p>\u501f\u9605\u8bb0\u5f55\u8868&#xff08;\u6d88\u9664\u4f20\u9012\u4f9d\u8d56&#xff09;&#xff1a;<\/p>\n<table>\n<tr>\u501f\u9605ID\u56fe\u4e66ID\u501f\u9605\u4ebaID\u501f\u9605\u65e5\u671f<\/tr>\n<\/table>\n<\/li>\n<li>\n<p>\u501f\u9605\u4eba\u8868&#xff08;\u72ec\u7acb\u5b58\u50a8\u501f\u9605\u4eba\u4fe1\u606f&#xff09;&#xff1a;<\/p>\n<table>\n<tr>\u501f\u9605\u4ebaID\u501f\u9605\u4eba\u59d3\u540d<\/tr>\n<\/table>\n<\/li>\n<hr 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