{"id":182976,"date":"2024-11-10T00:54:18","date_gmt":"2024-11-09T16:54:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182976\/"},"modified":"2024-11-10T00:54:19","modified_gmt":"2024-11-09T16:54:19","slug":"%e5%af%a6%e7%8f%bemssql%e4%b8%ad%e5%af%a6%e7%8f%be%e5%85%a7%e8%81%af%e7%9a%84%e7%b0%a1%e6%98%93%e6%96%b9%e6%b3%95%ef%bc%88mssql%e5%85%a7%e8%81%af%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182976\/","title":{"rendered":"\u5be6\u73feMSSQL\u4e2d\u5be6\u73fe\u5167\u806f\u7684\u7c21\u6613\u65b9\u6cd5\uff08mssql\u5167\u806f\uff09"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e7%8f%bemssql%e4%b8%ad%e5%af%a6%e7%8f%be%e5%85%a7%e8%81%af%e7%9a%84%e7%b0%a1%e6%98%93%e6%96%b9%e6%b3%95%ef%bc%88mssql%e5%85%a7%e8%81%af%ef%bc%89-jgkbmxAHJB\">\u5be6\u73feMSSQL\u4e2d\u5be6\u73fe\u5167\u806f\u7684\u7c21\u6613\u65b9\u6cd5\uff08mssql\u5167\u806f\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5167\u806f\uff08Inline\uff09\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u6280\u8853\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u6642\u3002\u5167\u806f\u7684\u4e3b\u8981\u76ee\u7684\u662f\u63d0\u9ad8\u67e5\u8a62\u7684\u6548\u7387\uff0c\u901a\u904e\u5c07\u591a\u500b\u67e5\u8a62\u5408\u4f75\u70ba\u4e00\u500b\u67e5\u8a62\u4f86\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728MSSQL\u4e2d\u5be6\u73fe\u5167\u806f\u7684\u7c21\u6613\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%85%a7%e8%81%af%ef%bc%9f-jgkbmxAHJB\">\u4ec0\u9ebc\u662f\u5167\u806f\uff1f<\/h2>\n<p>\u5167\u806f\u662f\u6307\u5728SQL\u67e5\u8a62\u4e2d\u76f4\u63a5\u5d4c\u5165\u5176\u4ed6\u67e5\u8a62\u7684\u7d50\u679c\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u6e1b\u5c11\u67e5\u8a62\u7684\u6578\u91cf\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002\u5167\u806f\u901a\u5e38\u7528\u65bc\u9700\u8981\u5f9e\u591a\u500b\u8868\u4e2d\u7372\u53d6\u6578\u64da\u7684\u60c5\u6cc1\uff0c\u7279\u5225\u662f\u5728\u6d89\u53ca\u5230\u806f\u63a5\uff08JOIN\uff09\u64cd\u4f5c\u6642\u3002<\/p>\n<h2 id=\"mssql%e4%b8%ad%e7%9a%84%e5%85%a7%e8%81%af%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-jgkbmxAHJB\">MSSQL\u4e2d\u7684\u5167\u806f\u5be6\u73fe\u65b9\u6cd5<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u5be6\u73fe\u5167\u806f\u7684\u4e3b\u8981\u65b9\u6cd5\u662f\u4f7f\u7528\u5b50\u67e5\u8a62\uff08Subquery\uff09\u548c\u806f\u63a5\uff08JOIN\uff09\u3002\u4ee5\u4e0b\u662f\u9019\u5169\u7a2e\u65b9\u6cd5\u7684\u8a73\u7d30\u4ecb\u7d39\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%ad%90%e6%9f%a5%e8%a9%a2-jgkbmxAHJB\">1. \u4f7f\u7528\u5b50\u67e5\u8a62<\/h3>\n<p>\u5b50\u67e5\u8a62\u662f\u6307\u5728\u4e00\u500b\u67e5\u8a62\u4e2d\u5d4c\u5165\u53e6\u4e00\u500b\u67e5\u8a62\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u5728\u4e3b\u67e5\u8a62\u4e2d\u4f7f\u7528\u5b50\u67e5\u8a62\u7684\u7d50\u679c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u5b50\u67e5\u8a62\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>SELECT \n    Employee.Name, \n    (SELECT Department.Name \n     FROM Department \n     WHERE Department.ID = Employee.DepartmentID) AS DepartmentName\nFROM \n    Employee;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5f9eEmployee\u8868\u4e2d\u9078\u64c7\u54e1\u5de5\u7684\u59d3\u540d\uff0c\u4e26\u901a\u904e\u5b50\u67e5\u8a62\u7372\u53d6\u76f8\u61c9\u7684\u90e8\u9580\u540d\u7a31\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u4e00\u500b\u67e5\u8a62\u4e2d\u7372\u5f97\u6240\u9700\u7684\u6240\u6709\u4fe1\u606f\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e8%81%af%e6%8e%a5%ef%bc%88join%ef%bc%89-jgkbmxAHJB\">2. \u4f7f\u7528\u806f\u63a5\uff08JOIN\uff09<\/h3>\n<p>\u806f\u63a5\u662f\u4e00\u7a2e\u5c07\u591a\u500b\u8868\u7684\u6578\u64da\u5408\u4f75\u5728\u4e00\u8d77\u7684\u6280\u8853\u3002\u4f7f\u7528\u806f\u63a5\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u7372\u53d6\u6578\u64da\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u806f\u63a5\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>SELECT \n    Employee.Name, \n    Department.Name AS DepartmentName\nFROM \n    Employee\nJOIN \n    Department ON Employee.DepartmentID = Department.ID;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u4f7f\u7528JOIN\u5c07Employee\u8868\u548cDepartment\u8868\u806f\u63a5\u5728\u4e00\u8d77\uff0c\u5f9e\u800c\u7372\u53d6\u54e1\u5de5\u7684\u59d3\u540d\u548c\u90e8\u9580\u540d\u7a31\u3002\u9019\u7a2e\u65b9\u6cd5\u901a\u5e38\u6bd4\u4f7f\u7528\u5b50\u67e5\u8a62\u66f4\u9ad8\u6548\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u91cf\u8f03\u5927\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"%e5%85%a7%e8%81%af%e7%9a%84%e5%84%aa%e5%8b%a2-jgkbmxAHJB\">\u5167\u806f\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528\u5167\u806f\u6280\u8853\u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u901a\u904e\u6e1b\u5c11\u67e5\u8a62\u7684\u6578\u91cf\uff0c\u5167\u806f\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u7c21\u5316\u67e5\u8a62\uff1a<\/strong>\u5167\u806f\u53ef\u4ee5\u4f7f\u67e5\u8a62\u66f4\u7c21\u6f54\uff0c\u6613\u65bc\u7406\u89e3\u548c\u7dad\u8b77\u3002<\/li>\n<li><strong>\u6e1b\u5c11\u6578\u64da\u5eab\u8ca0\u64d4\uff1a<\/strong>\u901a\u904e\u5408\u4f75\u67e5\u8a62\uff0c\u5167\u806f\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 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href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u7121\u8ad6\u662f\u6578\u64da\u5b58\u5132\u9084\u662f\u6578\u64da\u8655\u7406\uff0c\u9078\u64c7\u5408\u9069\u7684<a 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