{"id":186634,"date":"2024-11-11T07:33:20","date_gmt":"2024-11-10T23:33:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186634\/"},"modified":"2024-11-11T07:33:22","modified_gmt":"2024-11-10T23:33:22","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a6%8f%e7%af%84%e5%8c%96%ef%bc%9a%e6%b7%b1%e5%85%a5%e4%ba%86%e8%a7%a3%e5%b9%be%e7%af%84%e5%bc%8f%e5%88%a4%e6%96%b7%e6%96%b9%e6%b3%95-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186634\/","title":{"rendered":"\u6578\u64da\u5eab\u898f\u7bc4\u5316\uff1a\u6df1\u5165\u4e86\u89e3\u5e7e\u7bc4\u5f0f\u5224\u65b7\u65b9\u6cd5 (\u6578\u64da\u5eab\u5982\u4f55\u5224\u65b7\u5e7e\u7bc4\u5f0f)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a6%8f%e7%af%84%e5%8c%96%ef%bc%9a%e6%b7%b1%e5%85%a5%e4%ba%86%e8%a7%a3%e5%b9%be%e7%af%84%e5%bc%8f%e5%88%a4%e6%96%b7%e6%96%b9%e6%b3%95-jdeqvnmlhm\">\u6578\u64da\u5eab\u898f\u7bc4\u5316\uff1a\u6df1\u5165\u4e86\u89e3\u5e7e\u7bc4\u5f0f\u5224\u65b7\u65b9\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u898f\u7bc4\u5316\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u904e\u7a0b\uff0c\u65e8\u5728\u6e1b\u5c11\u6578\u64da\u5197\u9918\u4e26\u63d0\u9ad8\u6578\u64da\u5b8c\u6574\u6027\u3002\u901a\u904e\u5c07\u6578\u64da\u5206\u89e3\u70ba\u591a\u500b\u8868\u683c\uff0c\u898f\u7bc4\u5316\u53ef\u4ee5\u5e6b\u52a9\u78ba\u4fdd\u6578\u64da\u7684\u908f\u8f2f\u7d50\u69cb\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u7684\u5e7e\u7bc4\u5f0f\u5224\u65b7\u65b9\u6cd5\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5982\u4f55\u8a55\u4f30\u548c\u5be6\u65bd\u6578\u64da\u5eab\u7684\u898f\u7bc4\u5316\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a6%8f%e7%af%84%e5%8c%96%ef%bc%9f-jdeqvnmlhm\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u898f\u7bc4\u5316\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u898f\u7bc4\u5316\u662f\u5c07\u6578\u64da\u7d44\u7e54\u6210\u8868\u683c\u7684\u904e\u7a0b\uff0c\u4ee5\u6d88\u9664\u5197\u9918\u4e26\u78ba\u4fdd\u6578\u64da\u4f9d\u8cf4\u6027\u3002\u9019\u4e00\u904e\u7a0b\u901a\u5e38\u5206\u70ba\u5e7e\u500b\u7bc4\u5f0f\uff0c\u6bcf\u500b\u7bc4\u5f0f\u90fd\u6709\u5176\u7279\u5b9a\u7684\u8981\u6c42\u548c\u76ee\u6a19\u3002\u5e38\u898b\u7684\u7bc4\u5f0f\u5305\u62ec\u7b2c\u4e00\u7bc4\u5f0f\uff081NF\uff09\u3001\u7b2c\u4e8c\u7bc4\u5f0f\uff082NF\uff09\u3001\u7b2c\u4e09\u7bc4\u5f0f\uff083NF\uff09\u53ca\u535a\u8328-\u79d1\u5f97\u7bc4\u5f0f\uff08BCNF\uff09\u7b49\u3002<\/p>\n<h2 id=\"%e5%b9%be%e7%af%84%e5%bc%8f%e7%9a%84%e5%ae%9a%e7%be%a9-jdeqvnmlhm\">\u5e7e\u7bc4\u5f0f\u7684\u5b9a\u7fa9<\/h2>\n<ul>\n<li><strong>\u7b2c\u4e00\u7bc4\u5f0f\uff081NF\uff09<\/strong>: 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\u9032\u4e00\u6b65\u5f37\u53163NF\uff0c\u8981\u6c42\u6bcf\u500b\u6c7a\u5b9a\u56e0\u7d20\u90fd\u5fc5\u9808\u662f\u8d85\u9375\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%b7%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e7%af%84%e5%bc%8f-jdeqvnmlhm\">\u5982\u4f55\u5224\u65b7\u6578\u64da\u5eab\u7684\u7bc4\u5f0f<\/h2>\n<p>\u5224\u65b7\u6578\u64da\u5eab\u7684\u7bc4\u5f0f\u901a\u5e38\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e7%ac%ac%e4%b8%80%e7%af%84%e5%bc%8f%ef%bc%881nf%ef%bc%89-jdeqvnmlhm\">1. \u78ba\u8a8d\u7b2c\u4e00\u7bc4\u5f0f\uff081NF\uff09<\/h3>\n<p>\u6aa2\u67e5\u6bcf\u500b\u8868\u683c\u7684\u6b04\u4f4d\u662f\u5426\u90fd\u662f\u539f\u5b50\u6027\u7684\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5982\u679c\u4e00\u500b\u8868\u683c\u4e2d\u6709\u4e00\u500b\u6b04\u4f4d\u5b58\u5132\u4e86\u591a\u500b\u96fb\u8a71\u865f\u78bc\uff0c\u5247\u8a72\u8868\u683c\u4e0d\u7b26\u54081NF\u3002\u53ef\u4ee5\u901a\u904e\u5c07\u96fb\u8a71\u865f\u78bc\u5206\u89e3\u70ba\u591a\u500b\u884c\u4f86\u6eff\u8db31NF\u3002<\/p>\n<pre><code>CREATE TABLE Customers (\n    CustomerID INT PRIMARY KEY,\n    CustomerName VARCHAR(100),\n    PhoneNumber VARCHAR(15) -- \u4e0d\u7b26\u54081NF\n);\n<\/code><\/pre>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e7%ac%ac%e4%ba%8c%e7%af%84%e5%bc%8f%ef%bc%882nf%ef%bc%89-jdeqvnmlhm\">2. \u78ba\u8a8d\u7b2c\u4e8c\u7bc4\u5f0f\uff082NF\uff09<\/h3>\n<p>\u5728\u6eff\u8db31NF\u7684\u57fa\u790e\u4e0a\uff0c\u6aa2\u67e5\u662f\u5426\u5b58\u5728\u90e8\u5206\u4f9d\u8cf4\u3002\u5047\u8a2d\u6709\u4e00\u500b\u8868\u683c\u5b58\u5132\u4e86\u8a02\u55ae\u4fe1\u606f\uff0c\u5176\u4e2d\u5305\u542b\u5ba2\u6236\u540d\u7a31\u548c\u8a02\u55ae\u91d1\u984d\u3002\u5982\u679c\u5ba2\u6236\u540d\u7a31\u50c5\u4f9d\u8cf4\u65bc\u5ba2\u6236ID\uff0c\u800c\u4e0d\u662f\u6574\u500b\u4e3b\u9375\uff08\u8a02\u55aeID\u548c\u5ba2\u6236ID\u7684\u7d44\u5408\uff09\uff0c\u5247\u8a72\u8868\u683c\u4e0d\u7b26\u54082NF\u3002<\/p>\n<pre><code>CREATE TABLE Orders (\n    OrderID INT,\n    CustomerID INT,\n    CustomerName VARCHAR(100), -- \u4e0d\u7b26\u54082NF\n    OrderAmount DECIMAL(10, 2),\n    PRIMARY KEY (OrderID, CustomerID)\n);\n<\/code><\/pre>\n<h3 id=\"3-%e7%a2%ba%e8%aa%8d%e7%ac%ac%e4%b8%89%e7%af%84%e5%bc%8f%ef%bc%883nf%ef%bc%89-jdeqvnmlhm\">3. \u78ba\u8a8d\u7b2c\u4e09\u7bc4\u5f0f\uff083NF\uff09<\/h3>\n<p>\u5728\u6eff\u8db32NF\u7684\u57fa\u790e\u4e0a\uff0c\u6aa2\u67e5\u662f\u5426\u5b58\u5728\u50b3\u905e\u4f9d\u8cf4\u3002\u5047\u8a2d\u6709\u4e00\u500b\u8868\u683c\u5b58\u5132\u4e86\u5b78\u751f\u4fe1\u606f\uff0c\u5176\u4e2d\u5305\u542b\u5b78\u751fID\u3001\u5b78\u751f\u59d3\u540d\u548c\u73ed\u7d1a\u540d\u7a31\u3002\u5982\u679c\u73ed\u7d1a\u540d\u7a31\u4f9d\u8cf4\u65bc\u73ed\u7d1aID\uff0c\u800c\u73ed\u7d1aID\u53c8\u4f9d\u8cf4\u65bc\u5b78\u751fID\uff0c\u5247\u8a72\u8868\u683c\u4e0d\u7b26\u54083NF\u3002<\/p>\n<pre><code>CREATE TABLE Students (\n    StudentID INT PRIMARY KEY,\n    StudentName VARCHAR(100),\n    ClassID INT,\n    ClassName VARCHAR(100) -- \u4e0d\u7b26\u54083NF\n);\n<\/code><\/pre>\n<h3 id=\"4-%e7%a2%ba%e8%aa%8d%e5%8d%9a%e8%8c%a8-%e7%a7%91%e5%be%97%e7%af%84%e5%bc%8f%ef%bc%88bcnf%ef%bc%89-jdeqvnmlhm\">4. 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id=\"%e7%b5%90%e8%ab%96-jdeqvnmlhm\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u898f\u7bc4\u5316\u662f\u4e00\u500b\u91cd\u8981\u7684\u8a2d\u8a08\u904e\u7a0b\uff0c\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u901a\u904e\u4e86\u89e3\u548c\u61c9\u7528\u5e7e\u7bc4\u5f0f\u7684\u5224\u65b7\u65b9\u6cd5\uff0c\u6578\u64da\u5eab\u8a2d\u8a08\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7d44\u7e54\u6578\u64da\uff0c\u6e1b\u5c11\u5197\u9918\uff0c\u4e26\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u80fd\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> 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