{"id":162755,"date":"2024-11-04T17:44:20","date_gmt":"2024-11-04T09:44:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162755\/"},"modified":"2024-11-04T17:44:20","modified_gmt":"2024-11-04T09:44:20","slug":"%e8%ac%9b%e8%a7%a3sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%87%bd%e6%95%b8%e7%9a%84%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162755\/","title":{"rendered":"\u8b1b\u89e3SQL Server\u6578\u64da\u5eab\u4e2d\u51fd\u6578\u7684\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"%e8%ac%9b%e8%a7%a3sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%87%bd%e6%95%b8%e7%9a%84%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95-ZhXGnxlLiS\">\u8b1b\u89e3SQL Server\u6578\u64da\u5eab\u4e2d\u51fd\u6578\u7684\u4f7f\u7528\u65b9\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cSQL Server\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5b83\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u8655\u7406\u548c\u7ba1\u7406\u6578\u64da\uff0c\u5176\u4e2d\u51fd\u6578\u7684\u4f7f\u7528\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u90e8\u5206\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eSQL Server\u4e2d\u51fd\u6578\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u61c9\u7528\u9019\u4e9b\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsql-server%e5%87%bd%e6%95%b8%ef%bc%9f-ZhXGnxlLiS\">\u4ec0\u9ebc\u662fSQL Server\u51fd\u6578\uff1f<\/h2>\n<p>SQL Server\u51fd\u6578\u662f\u4e00\u7d44\u53ef\u91cd\u7528\u7684SQL\u8a9e\u53e5\uff0c\u9019\u4e9b\u8a9e\u53e5\u53ef\u4ee5\u63a5\u53d7\u8f38\u5165\u53c3\u6578\u4e26\u8fd4\u56de\u7d50\u679c\u3002\u51fd\u6578\u53ef\u4ee5\u7528\u65bc\u57f7\u884c\u8a08\u7b97\u3001\u6578\u64da\u8f49\u63db\u3001\u6578\u64da\u8655\u7406\u7b49\u64cd\u4f5c\u3002\u6839\u64da\u5176\u985e\u578b\uff0cSQL Server\u51fd\u6578\u4e3b\u8981\u5206\u70ba\u4ee5\u4e0b\u5e7e\u985e\uff1a<\/p>\n<ul>\n<li><strong>\u6a19\u91cf\u51fd\u6578<\/strong>\uff1a\u8fd4\u56de\u55ae\u4e00\u503c\u7684\u51fd\u6578\uff0c\u4f8b\u5982\u6578\u5b57\u3001\u5b57\u7b26\u4e32\u6216\u65e5\u671f\u3002<\/li>\n<li><strong>\u8868\u503c\u51fd\u6578<\/strong>\uff1a\u8fd4\u56de\u8868\u683c\u6578\u64da\u7684\u51fd\u6578\uff0c\u53ef\u4ee5\u5728\u67e5\u8a62\u4e2d\u50cf\u8868\u4e00\u6a23\u4f7f\u7528\u3002<\/li>\n<li><strong>\u7cfb\u7d71\u51fd\u6578<\/strong>\uff1aSQL Server\u5167\u5efa\u7684\u51fd\u6578\uff0c\u7528\u65bc\u57f7\u884c\u7279\u5b9a\u7684\u7cfb\u7d71\u4efb\u52d9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%a8%99%e9%87%8f%e5%87%bd%e6%95%b8%e7%9a%84%e4%bd%bf%e7%94%a8-ZhXGnxlLiS\">\u6a19\u91cf\u51fd\u6578\u7684\u4f7f\u7528<\/h2>\n<p>\u6a19\u91cf\u51fd\u6578\u662f\u6700\u5e38\u7528\u7684\u51fd\u6578\u985e\u578b\u4e4b\u4e00\u3002\u5b83\u5011\u53ef\u4ee5\u7528\u65bc\u8a08\u7b97\u548c\u8f49\u63db\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6a19\u91cf\u51fd\u6578\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nCREATE FUNCTION dbo.GetFullName\n(\n    @FirstName NVARCHAR(50),\n    @LastName NVARCHAR(50)\n)\nRETURNS NVARCHAR(100)\nAS\nBEGIN\n    RETURN @FirstName + ' ' + @LastName\nEND\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>GetFullName<\/code> \u7684\u51fd\u6578\uff0c\u5b83\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff08\u540d\u5b57\u548c\u59d3\u6c0f\uff09\uff0c\u4e26\u8fd4\u56de\u5b8c\u6574\u7684\u59d3\u540d\u3002\u4f7f\u7528\u9019\u500b\u51fd\u6578\u7684\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre><code>\nSELECT dbo.GetFullName('John', 'Doe') AS FullName\n<\/code><\/pre>\n<h2 id=\"%e8%a1%a8%e5%80%bc%e5%87%bd%e6%95%b8%e7%9a%84%e4%bd%bf%e7%94%a8-ZhXGnxlLiS\">\u8868\u503c\u51fd\u6578\u7684\u4f7f\u7528<\/h2>\n<p>\u8868\u503c\u51fd\u6578\u8fd4\u56de\u4e00\u500b\u8868\u683c\uff0c\u53ef\u4ee5\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u8868\u503c\u51fd\u6578\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nCREATE FUNCTION dbo.GetEmployeesByDepartment\n(\n    @DepartmentID INT\n)\nRETURNS TABLE\nAS\nRETURN\n(\n    SELECT EmployeeID, FirstName, LastName\n    FROM Employees\n    WHERE DepartmentID = @DepartmentID\n)\n<\/code><\/pre>\n<p>\u9019\u500b\u51fd\u6578\u8fd4\u56de\u6307\u5b9a\u90e8\u9580\u7684\u6240\u6709\u54e1\u5de5\u3002\u4f7f\u7528\u9019\u500b\u51fd\u6578\u7684\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre><code>\nSELECT * FROM dbo.GetEmployeesByDepartment(1)\n<\/code><\/pre>\n<h2 id=\"%e7%b3%bb%e7%b5%b1%e5%87%bd%e6%95%b8%e7%9a%84%e4%bd%bf%e7%94%a8-ZhXGnxlLiS\">\u7cfb\u7d71\u51fd\u6578\u7684\u4f7f\u7528<\/h2>\n<p>SQL Server\u9084\u63d0\u4f9b\u4e86\u8a31\u591a\u5167\u5efa\u7684\u7cfb\u7d71\u51fd\u6578\uff0c\u4f8b\u5982 <code>GETDATE()<\/code> \u548c <code>LEN()<\/code>\u3002\u9019\u4e9b\u51fd\u6578\u53ef\u4ee5\u7528\u65bc\u7372\u53d6\u7576\u524d\u65e5\u671f\u6642\u9593\u6216\u8a08\u7b97\u5b57\u7b26\u4e32\u7684\u9577\u5ea6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u7cfb\u7d71\u51fd\u6578\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nSELECT GETDATE() AS CurrentDateTime,\n       LEN('Hello World') AS StringLength\n<\/code><\/pre>\n<h2 id=\"%e5%87%bd%e6%95%b8%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-ZhXGnxlLiS\">\u51fd\u6578\u7684\u512a\u7f3a\u9ede<\/h2>\n<p>\u4f7f\u7528SQL Server\u51fd\u6578\u6709\u5176\u512a\u9ede\u548c\u7f3a\u9ede\u3002\u512a\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u53ef\u91cd\u7528\u6027\uff1a\u51fd\u6578\u53ef\u4ee5\u5728\u591a\u500b\u67e5\u8a62\u4e2d\u91cd\u8907\u4f7f\u7528\uff0c\u6e1b\u5c11\u4ee3\u78bc\u91cd\u8907\u3002<\/li>\n<li>\u53ef\u8b80\u6027\uff1a\u4f7f\u7528\u51fd\u6578\u53ef\u4ee5\u4f7f\u67e5\u8a62\u66f4\u5177\u53ef\u8b80\u6027\uff0c\u4fbf\u65bc\u7dad\u8b77\u3002<\/li>\n<\/ul>\n<p>\u7136\u800c\uff0c\u51fd\u6578\u4e5f\u6709\u4e00\u4e9b\u7f3a\u9ede\uff1a<\/p>\n<ul>\n<li>\u6027\u80fd\uff1a\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u51fd\u6578\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u5927\u578b\u6578\u64da\u96c6\u4e0a\u3002<\/li>\n<li>\u8abf\u8a66\u56f0\u96e3\uff1a\u51fd\u6578\u5167\u90e8\u7684\u908f\u8f2f\u53ef\u80fd\u6703\u4f7f\u8abf\u8a66\u8b8a\u5f97\u66f4\u52a0\u8907\u96dc\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZhXGnxlLiS\">\u7e3d\u7d50<\/h2>\n<p>SQL Server\u4e2d\u7684\u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u66f4\u6709\u6548\u5730\u8655\u7406\u6578\u64da\u3002\u901a\u904e\u7406\u89e3\u6a19\u91cf\u51fd\u6578\u3001\u8868\u503c\u51fd\u6578\u548c\u7cfb\u7d71\u51fd\u6578\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7684\u6548\u7387\u548c\u53ef\u8b80\u6027\u3002\u7121\u8ad6\u662f\u5728\u958b\u767c\u65b0\u61c9\u7528\u7a0b\u5e8f\u9084\u662f\u7dad\u8b77\u73fe\u6709\u7cfb\u7d71\u6642\uff0c\u719f\u6089\u9019\u4e9b\u51fd\u6578\u7684\u4f7f\u7528\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3SQL Server\u6578\u64da\u5eab\u4e2d\u51fd\u6578\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u638c\u63e1\u5e38\u7528\u51fd\u6578\u7684\u61c9\u7528\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-162755","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162755","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=162755"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162755\/revisions"}],"predecessor-version":[{"id":162756,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162755\/revisions\/162756"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}