{"id":162541,"date":"2024-11-04T15:57:25","date_gmt":"2024-11-04T07:57:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162541\/"},"modified":"2024-11-04T15:57:26","modified_gmt":"2024-11-04T07:57:26","slug":"%e7%b0%a1%e6%98%8e%e6%98%93%e6%87%82%e7%9a%84%e4%bb%8b%e7%b4%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%89%e5%80%8b%e7%af%84%e5%bc%8f-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%89%e5%80%8b%e7%af%84%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162541\/","title":{"rendered":"\u7c21\u660e\u6613\u61c2\u7684\u4ecb\u7d39\u6578\u64da\u5eab\u4e09\u500b\u7bc4\u5f0f (\u6578\u64da\u5eab\u4e09\u500b\u7bc4\u5f0f)"},"content":{"rendered":"<h1 id=\"%e7%b0%a1%e6%98%8e%e6%98%93%e6%87%82%e7%9a%84%e4%bb%8b%e7%b4%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%89%e5%80%8b%e7%af%84%e5%bc%8f-DRXQfBFoat\">\u7c21\u660e\u6613\u61c2\u7684\u4ecb\u7d39\u6578\u64da\u5eab\u4e09\u500b\u7bc4\u5f0f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u7bc4\u5f0f\uff08Normalization\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u65e8\u5728\u6e1b\u5c11\u6578\u64da\u5197\u9918\u4e26\u63d0\u9ad8\u6578\u64da\u5b8c\u6574\u6027\u3002\u6578\u64da\u5eab\u7684\u4e09\u500b\u4e3b\u8981\u7bc4\u5f0f\u5206\u5225\u662f\u7b2c\u4e00\u7bc4\u5f0f\uff081NF\uff09\u3001\u7b2c\u4e8c\u7bc4\u5f0f\uff082NF\uff09\u548c\u7b2c\u4e09\u7bc4\u5f0f\uff083NF\uff09\u3002\u672c\u6587\u5c07\u5c0d\u9019\u4e09\u500b\u7bc4\u5f0f\u9032\u884c\u7c21\u660e\u6613\u61c2\u7684\u4ecb\u7d39\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5176\u57fa\u672c\u539f\u5247\u53ca\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e7%ac%ac%e4%b8%80%e7%af%84%e5%bc%8f%ef%bc%881nf%ef%bc%89-DRXQfBFoat\">\u7b2c\u4e00\u7bc4\u5f0f\uff081NF\uff09<\/h2>\n<p>\u7b2c\u4e00\u7bc4\u5f0f\u7684\u4e3b\u8981\u76ee\u6a19\u662f\u78ba\u4fdd\u6578\u64da\u8868\u4e2d\u7684\u6bcf\u4e00\u500b\u6b04\u4f4d\u90fd\u53ea\u5305\u542b\u539f\u5b50\u503c\uff0c\u5373\u6bcf\u500b\u6b04\u4f4d\u7684\u503c\u90fd\u662f\u4e0d\u53ef\u518d\u5206\u7684\u3002\u9019\u610f\u5473\u8457\u5728\u4e00\u500b\u6578\u64da\u8868\u4e2d\uff0c\u4e0d\u80fd\u6709\u91cd\u8907\u7684\u6b04\u4f4d\u6216\u591a\u503c\u6b04\u4f4d\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-DRXQfBFoat\">\u7bc4\u4f8b<\/h3>\n<pre><code>\u9867\u5ba2\u8868\n+----+----------+-----------------+\n| ID | \u59d3\u540d     | \u96fb\u8a71            |\n+----+----------+-----------------+\n| 1  | \u5f35\u4e09     | 12345678        |\n| 2  | \u674e\u56db     | 87654321        |\n| 3  | \u738b\u4e94     | 23456789, 34567890 |\n+----+----------+-----------------+\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u9867\u5ba2\u8868\u4e2d\uff0c\u738b\u4e94\u7684\u96fb\u8a71\u6b04\u4f4d\u5305\u542b\u4e86\u591a\u500b\u96fb\u8a71\u865f\u78bc\uff0c\u9019\u4e0d\u7b26\u5408\u7b2c\u4e00\u7bc4\u5f0f\u3002\u70ba\u4e86\u6eff\u8db31NF\uff0c\u6211\u5011\u9700\u8981\u5c07\u5176\u62c6\u5206\u70ba\u591a\u884c\uff1a<\/p>\n<pre><code>\u9867\u5ba2\u8868\n+----+----------+----------+\n| ID | \u59d3\u540d     | \u96fb\u8a71     |\n+----+----------+----------+\n| 1  | \u5f35\u4e09     | 12345678 |\n| 2  | \u674e\u56db     | 87654321 |\n| 3  | \u738b\u4e94     | 23456789 |\n| 3  | \u738b\u4e94     | 34567890 |\n+----+----------+----------+\n<\/code><\/pre>\n<h2 id=\"%e7%ac%ac%e4%ba%8c%e7%af%84%e5%bc%8f%ef%bc%882nf%ef%bc%89-DRXQfBFoat\">\u7b2c\u4e8c\u7bc4\u5f0f\uff082NF\uff09<\/h2>\n<p>\u7b2c\u4e8c\u7bc4\u5f0f\u7684\u8981\u6c42\u662f\u5728\u6eff\u8db3\u7b2c\u4e00\u7bc4\u5f0f\u7684\u57fa\u790e\u4e0a\uff0c\u6d88\u9664\u90e8\u5206\u4f9d\u8cf4\u3002\u9019\u610f\u5473\u8457\u6bcf\u500b\u975e\u4e3b\u9375\u6b04\u4f4d\u5fc5\u9808\u5b8c\u5168\u4f9d\u8cf4\u65bc\u4e3b\u9375\uff0c\u800c\u4e0d\u80fd\u53ea\u4f9d\u8cf4\u65bc\u4e3b\u9375\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-DRXQfBFoat\">\u7bc4\u4f8b<\/h3>\n<pre><code>\u8a02\u55ae\u8868\n+----+----------+----------+----------+\n| \u8a02\u55aeID | \u9867\u5ba2ID   | \u9867\u5ba2\u59d3\u540d | \u9867\u5ba2\u5730\u5740 |\n+----+----------+----------+----------+\n| 1  | 1        | \u5f35\u4e09     | \u5730\u5740A    |\n| 2  | 2        | \u674e\u56db     | \u5730\u5740B    |\n| 3  | 1        | \u5f35\u4e09     | \u5730\u5740A    |\n+----+----------+----------+----------+\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u9867\u5ba2\u59d3\u540d\u548c\u9867\u5ba2\u5730\u5740\u662f\u4f9d\u8cf4\u65bc\u9867\u5ba2ID\uff0c\u800c\u4e0d\u662f\u8a02\u55aeID\u3002\u70ba\u4e86\u6eff\u8db3\u7b2c\u4e8c\u7bc4\u5f0f\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u9867\u5ba2\u4fe1\u606f\u62c6\u5206\u5230\u53e6\u4e00\u500b\u8868\u4e2d\uff1a<\/p>\n<pre><code>\u9867\u5ba2\u8868\n+----+----------+----------+\n| \u9867\u5ba2ID | \u9867\u5ba2\u59d3\u540d | \u9867\u5ba2\u5730\u5740 |\n+----+----------+----------+\n| 1  | \u5f35\u4e09     | \u5730\u5740A    |\n| 2  | \u674e\u56db     | \u5730\u5740B    |\n+----+----------+----------+\n\n\u8a02\u55ae\u8868\n+----+----------+\n| \u8a02\u55aeID | \u9867\u5ba2ID   |\n+----+----------+\n| 1  | 1        |\n| 2  | 2        |\n| 3  | 1        |\n+----+----------+\n<\/code><\/pre>\n<h2 id=\"%e7%ac%ac%e4%b8%89%e7%af%84%e5%bc%8f%ef%bc%883nf%ef%bc%89-DRXQfBFoat\">\u7b2c\u4e09\u7bc4\u5f0f\uff083NF\uff09<\/h2>\n<p>\u7b2c\u4e09\u7bc4\u5f0f\u8981\u6c42\u5728\u6eff\u8db3\u7b2c\u4e8c\u7bc4\u5f0f\u7684\u57fa\u790e\u4e0a\uff0c\u6d88\u9664\u50b3\u905e\u4f9d\u8cf4\u3002\u9019\u610f\u5473\u8457\u975e\u4e3b\u9375\u6b04\u4f4d\u4e0d\u80fd\u4f9d\u8cf4\u65bc\u5176\u4ed6\u975e\u4e3b\u9375\u6b04\u4f4d\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-DRXQfBFoat\">\u7bc4\u4f8b<\/h3>\n<pre><code>\u7522\u54c1\u8868\n+----+----------+----------+----------+\n| \u7522\u54c1ID | \u7522\u54c1\u540d\u7a31 | \u985e\u5225     | \u985e\u5225\u63cf\u8ff0 |\n+----+----------+----------+----------+\n| 1  | \u860b\u679c     | \u6c34\u679c     | \u65b0\u9bae\u6c34\u679c |\n| 2  | \u9999\u8549     | \u6c34\u679c     | \u65b0\u9bae\u6c34\u679c |\n| 3  | \u80e1\u863f\u8514   | \u852c\u83dc     | \u5065\u5eb7\u852c\u83dc |\n+----+----------+----------+----------+\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u985e\u5225\u63cf\u8ff0\u4f9d\u8cf4\u65bc\u985e\u5225\uff0c\u800c\u4e0d\u662f\u7522\u54c1ID\u3002\u70ba\u4e86\u6eff\u8db3\u7b2c\u4e09\u7bc4\u5f0f\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u985e\u5225\u4fe1\u606f\u62c6\u5206\u5230\u53e6\u4e00\u500b\u8868\u4e2d\uff1a<\/p>\n<pre><code>\u985e\u5225\u8868\n+----+----------+----------+\n| \u985e\u5225   | \u985e\u5225\u63cf\u8ff0 |\n+----+----------+----------+\n| \u6c34\u679c   | \u65b0\u9bae\u6c34\u679c |\n| \u852c\u83dc   | \u5065\u5eb7\u852c\u83dc |\n+----+----------+----------+\n\n\u7522\u54c1\u8868\n+----+----------+----------+\n| \u7522\u54c1ID | \u7522\u54c1\u540d\u7a31 | \u985e\u5225     |\n+----+----------+----------+\n| 1  | \u860b\u679c     | \u6c34\u679c     |\n| 2  | \u9999\u8549     | \u6c34\u679c     |\n| 3  | \u80e1\u863f\u8514   | \u852c\u83dc     |\n+----+----------+----------+\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DRXQfBFoat\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u4e09\u500b\u7bc4\u5f0f\u662f\u8a2d\u8a08\u9ad8\u6548\u3001\u7121\u5197\u9918\u6578\u64da\u5eab\u7684\u91cd\u8981\u539f\u5247\u3002\u7b2c\u4e00\u7bc4\u5f0f\u78ba\u4fdd\u6578\u64da\u7684\u539f\u5b50\u6027\uff0c\u7b2c\u4e8c\u7bc4\u5f0f\u6d88\u9664\u90e8\u5206\u4f9d\u8cf4\uff0c\u800c\u7b2c\u4e09\u7bc4\u5f0f\u5247\u6d88\u9664\u50b3\u905e\u4f9d\u8cf4\u3002\u901a\u904e\u9075\u5faa\u9019\u4e9b\u7bc4\u5f0f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8a2d\u8a08\u51fa\u66f4\u5177\u53ef\u7dad\u8b77\u6027\u548c\u64f4\u5c55\u6027\u7684\u6578\u64da\u5eab\u7d50\u69cb\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u90e8\u7f72\uff0c\u9078\u64c7\u5408\u9069\u7684<a 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