{"id":191776,"date":"2024-11-12T17:14:21","date_gmt":"2024-11-12T09:14:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/191776\/"},"modified":"2024-11-12T17:14:22","modified_gmt":"2024-11-12T09:14:22","slug":"%e8%a9%b3%e8%a7%a3sql-server%e4%b8%ad%e7%9a%84%e5%8b%95%e6%85%8bsql%e6%a6%82%e5%bf%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/191776\/","title":{"rendered":"\u8a73\u89e3SQL Server\u4e2d\u7684\u52d5\u614bSQL\u6982\u5ff5"},"content":{"rendered":"<h1 id=\"%e8%a9%b3%e8%a7%a3sql-server%e4%b8%ad%e7%9a%84%e5%8b%95%e6%85%8bsql%e6%a6%82%e5%bf%b5-zFujahbHEb\">\u8a73\u89e3SQL Server\u4e2d\u7684\u52d5\u614bSQL\u6982\u5ff5<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cSQL Server\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u52d5\u614bSQL\u662fSQL 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id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%8b%95%e6%85%8bsql%ef%bc%9f-zFujahbHEb\">\u4ec0\u9ebc\u662f\u52d5\u614bSQL\uff1f<\/h2>\n<p>\u52d5\u614bSQL\u662f\u6307\u5728\u57f7\u884c\u6642\u751f\u6210\u7684SQL\u8a9e\u53e5\uff0c\u800c\u4e0d\u662f\u5728\u7de8\u8b6f\u6642\u5c31\u5df2\u7d93\u78ba\u5b9a\u7684\u975c\u614bSQL\u8a9e\u53e5\u3002\u9019\u610f\u5473\u8457\u7528\u6236\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u689d\u4ef6\u548c\u9700\u6c42\u4f86\u69cb\u5efa\u67e5\u8a62\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u7684\u9748\u6d3b\u6027\u548c\u9069\u61c9\u6027\u3002<\/p>\n<h2 id=\"%e5%8b%95%e6%85%8bsql%e7%9a%84%e5%84%aa%e5%8b%a2-zFujahbHEb\">\u52d5\u614bSQL\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u52d5\u614bSQL\u5141\u8a31\u6839\u64da\u7528\u6236\u7684\u8f38\u5165\u6216\u5176\u4ed6\u8b8a\u6578\u4f86\u751f\u6210\u67e5\u8a62\uff0c\u9019\u5728\u8655\u7406\u4e0d\u78ba\u5b9a\u6027\u6642\u7279\u5225\u6709\u7528\u3002<\/li>\n<li><strong>\u7c21\u5316\u67e5\u8a62\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u52d5\u614bSQL\u53ef\u4ee5\u6e1b\u5c11\u9700\u8981\u7de8\u5beb\u7684\u67e5\u8a62\u6578\u91cf\uff0c\u56e0\u70ba\u53ef\u4ee5\u6839\u64da\u689d\u4ef6\u751f\u6210\u4e0d\u540c\u7684\u67e5\u8a62\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u52d5\u614bSQL\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u7576\u67e5\u8a62\u7684\u7d50\u69cb\u53ef\u4ee5\u6839\u64da\u6578\u64da\u7684\u7279\u6027\u9032\u884c\u8abf\u6574\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%8b%95%e6%85%8bsql%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e5%bc%8f-zFujahbHEb\">\u52d5\u614bSQL\u7684\u5be6\u73fe\u65b9\u5f0f<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u52d5\u614bSQL\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u5f0f\u5be6\u73fe\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8exec%e5%91%bd%e4%bb%a4-zFujahbHEb\">1. \u4f7f\u7528EXEC\u547d\u4ee4<\/h3>\n<p>\u6700\u5e38\u898b\u7684\u65b9\u5f0f\u662f\u4f7f\u7528EXEC\u547d\u4ee4\u4f86\u57f7\u884c\u52d5\u614b\u751f\u6210\u7684SQL\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>DECLARE @sql NVARCHAR(MAX);\nSET @sql = N'SELECT * FROM Employees WHERE Department = @dept';\nEXEC sp_executesql @sql, N'@dept NVARCHAR(50)', @dept = 'Sales';<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86sp_executesql\u4f86\u57f7\u884c\u52d5\u614bSQL\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514dSQL\u6ce8\u5165\u7684\u98a8\u96aa\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8sp_executesql-zFujahbHEb\">2. \u4f7f\u7528sp_executesql<\/h3>\n<p>sp_executesql\u662f\u4e00\u500b\u66f4\u5b89\u5168\u7684\u9078\u64c7\uff0c\u56e0\u70ba\u5b83\u652f\u6301\u53c3\u6578\u5316\u67e5\u8a62\uff0c\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528sp_executesql\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>DECLARE @sql NVARCHAR(MAX);\nSET @sql = N'SELECT * FROM Employees WHERE Department = @dept';\nEXEC sp_executesql @sql, N'@dept NVARCHAR(50)', @dept = 'HR';<\/code><\/pre>\n<h2 id=\"%e5%8b%95%e6%85%8bsql%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-zFujahbHEb\">\u52d5\u614bSQL\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5118\u7ba1\u52d5\u614bSQL\u6709\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u4e5f\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>SQL\u6ce8\u5165\u98a8\u96aa\uff1a<\/strong>\u52d5\u614bSQL\u5bb9\u6613\u53d7\u5230SQL\u6ce8\u5165\u653b\u64ca\uff0c\u56e0\u6b64\u5fc5\u9808\u8b39\u614e\u8655\u7406\u7528\u6236\u8f38\u5165\uff0c\u4e26\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u4f86\u964d\u4f4e\u98a8\u96aa\u3002<\/li>\n<li><strong>\u6027\u80fd\u554f\u984c\uff1a<\/strong>\u904e\u5ea6\u4f7f\u7528\u52d5\u614bSQL\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u70baSQL Server\u7121\u6cd5\u6709\u6548\u5730\u7de9\u5b58\u57f7\u884c\u8a08\u5283\u3002<\/li>\n<li><strong>\u53ef\u8b80\u6027\uff1a<\/strong>\u52d5\u614bSQL\u7684\u53ef\u8b80\u6027\u901a\u5e38\u8f03\u5dee\uff0c\u9019\u53ef\u80fd\u6703\u4f7f\u5f97\u7dad\u8b77\u548c\u8abf\u8a66\u8b8a\u5f97\u66f4\u52a0\u56f0\u96e3\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zFujahbHEb\">\u7e3d\u7d50<\/h2>\n<p>\u52d5\u614bSQL\u5728SQL Server\u4e2d\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u63d0\u4f9b\u9748\u6d3b\u6027\u548c\u9069\u61c9\u6027\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u4e0d\u78ba\u5b9a\u6027\u548c\u8b8a\u5316\u7684\u67e5\u8a62\u9700\u6c42\u6642\u3002\u7136\u800c\uff0c\u4f7f\u7528\u52d5\u614bSQL\u6642\u5fc5\u9808\u8b39\u614e\uff0c\u4ee5\u907f\u514d\u6f5b\u5728\u7684\u5b89\u5168\u98a8\u96aa\u548c\u6027\u80fd\u554f\u984c\u3002\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u4f7f\u7528\u52d5\u614bSQL\uff0c\u5c07\u6709\u52a9\u65bc\u958b\u767c\u66f4\u9ad8\u6548\u548c\u5b89\u5168\u7684\u8cc7\u6599\u5eab\u61c9\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u4f01\u696d\u7d1a\u61c9\u7528\u9084\u662f\u500b\u4eba\u9805\u76ee\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eSQL Server\u4e2d\u7684\u52d5\u614bSQL\u6982\u5ff5\uff0c\u4e86\u89e3\u5176\u5b9a\u7fa9\u3001\u512a\u7f3a\u9ede\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u6578\u64da\u5eab\u67e5\u8a62\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-191776","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/191776","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=191776"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/191776\/revisions"}],"predecessor-version":[{"id":191777,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/191776\/revisions\/191777"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=191776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=191776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=191776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}