{"id":185414,"date":"2024-11-10T21:21:18","date_gmt":"2024-11-10T13:21:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185414\/"},"modified":"2024-11-10T21:21:18","modified_gmt":"2024-11-10T13:21:18","slug":"%e4%bd%bf%e7%94%a8%e5%8b%95%e6%85%8bsql%e8%aa%9e%e5%8f%a5%e8%87%aa%e5%ae%9a%e7%be%a9%e5%88%97%e5%90%8d%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185414\/","title":{"rendered":"\u4f7f\u7528\u52d5\u614bsql\u8a9e\u53e5\u81ea\u5b9a\u7fa9\u5217\u540d\u7684\u5be6\u73fe\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8%e5%8b%95%e6%85%8bsql%e8%aa%9e%e5%8f%a5%e8%87%aa%e5%ae%9a%e7%be%a9%e5%88%97%e5%90%8d%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-JFOHNiEXIN\">\u4f7f\u7528\u52d5\u614bSQL\u8a9e\u53e5\u81ea\u5b9a\u7fa9\u5217\u540d\u7684\u5be6\u73fe\u65b9\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u52d5\u614bSQL\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5141\u8a31\u958b\u767c\u8005\u5728\u904b\u884c\u6642\u69cb\u5efa\u548c\u57f7\u884cSQL\u8a9e\u53e5\u3002\u9019\u7a2e\u9748\u6d3b\u6027\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u6839\u64da\u4e0d\u540c\u7684\u9700\u6c42\u751f\u6210\u67e5\u8a62\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u81ea\u5b9a\u7fa9\u5217\u540d\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528\u52d5\u614bSQL\u8a9e\u53e5\u4f86\u5be6\u73fe\u81ea\u5b9a\u7fa9\u5217\u540d\u7684\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%8b%95%e6%85%8bsql%ef%bc%9f-JFOHNiEXIN\">\u4ec0\u9ebc\u662f\u52d5\u614bSQL\uff1f<\/h2>\n<p>\u52d5\u614bSQL\u662f\u6307\u5728\u57f7\u884c\u6642\u751f\u6210\u7684SQL\u8a9e\u53e5\u3002\u8207\u975c\u614bSQL\u4e0d\u540c\uff0c\u975c\u614bSQL\u5728\u7de8\u8b6f\u6642\u5c31\u5df2\u7d93\u78ba\u5b9a\u4e86\u5176\u7d50\u69cb\u548c\u5167\u5bb9\uff0c\u800c\u52d5\u614bSQL\u5247\u53ef\u4ee5\u6839\u64da\u7528\u6236\u8f38\u5165\u6216\u5176\u4ed6\u8b8a\u91cf\u4f86\u6539\u8b8a\u5176\u5167\u5bb9\u3002\u9019\u4f7f\u5f97\u52d5\u614bSQL\u5728\u8655\u7406\u8907\u96dc\u67e5\u8a62\u6642\u975e\u5e38\u6709\u7528\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u6839\u64da\u4e0d\u540c\u689d\u4ef6\u751f\u6210\u4e0d\u540c\u5217\u540d\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%8b%95%e6%85%8bsql%e8%87%aa%e5%ae%9a%e7%be%a9%e5%88%97%e5%90%8d%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-JFOHNiEXIN\">\u4f7f\u7528\u52d5\u614bSQL\u81ea\u5b9a\u7fa9\u5217\u540d\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u8981\u4f7f\u7528\u52d5\u614bSQL\u81ea\u5b9a\u7fa9\u5217\u540d\uff0c\u901a\u5e38\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u69cb\u5efaSQL\u67e5\u8a62\u5b57\u7b26\u4e32<\/li>\n<li>\u4f7f\u7528\u57f7\u884c\u8a9e\u53e5\u57f7\u884c\u67e5\u8a62<\/li>\n<li>\u8655\u7406\u67e5\u8a62\u7d50\u679c<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8sql-server%e7%9a%84%e5%8b%95%e6%85%8bsql-JFOHNiEXIN\">\u793a\u4f8b\uff1a\u4f7f\u7528SQL Server\u7684\u52d5\u614bSQL<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528SQL Server\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u52d5\u614bSQL\u4f86\u81ea\u5b9a\u7fa9\u5217\u540d\uff1a<\/p>\n<pre><code>DECLARE @sql NVARCHAR(MAX);\nDECLARE @columnName NVARCHAR(50) = 'CustomColumnName';\n\nSET @sql = 'SELECT column1 AS ' + QUOTENAME(@columnName) + ' FROM YourTable';\n\nEXEC sp_executesql @sql;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5b9a\u7fa9\u4e86\u4e00\u500b\u8b8a\u91cf @columnName\uff0c\u7136\u5f8c\u4f7f\u7528\u9019\u500b\u8b8a\u91cf\u4f86\u69cb\u5efa\u4e00\u500bSQL\u67e5\u8a62\u5b57\u7b26\u4e32\u3002\u4f7f\u7528 <code>QUOTENAME<\/code> \u51fd\u6578\u53ef\u4ee5\u78ba\u4fdd\u5217\u540d\u7684\u5b89\u5168\u6027\uff0c\u907f\u514dSQL\u6ce8\u5165\u7684\u98a8\u96aa\u3002\u6700\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 <code>sp_executesql<\/code> \u57f7\u884c\u9019\u500b\u52d5\u614b\u751f\u6210\u7684SQL\u8a9e\u53e5\u3002<\/p>\n<h3 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-JFOHNiEXIN\">\u6ce8\u610f\u4e8b\u9805<\/h3>\n<p>\u5728\u4f7f\u7528\u52d5\u614bSQL\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u8003\u616e\uff1a<\/p>\n<ul>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u52d5\u614bSQL\u5bb9\u6613\u53d7\u5230SQL\u6ce8\u5165\u653b\u64ca\uff0c\u56e0\u6b64\u5728\u69cb\u5efa\u67e5\u8a62\u6642\u5fc5\u9808\u5c0f\u5fc3\uff0c\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u6216\u9069\u7576\u7684\u8f49\u7fa9\u51fd\u6578\u3002<\/li>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\u52d5\u614bSQL\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u983b\u7e41\u57f7\u884c\u7684\u60c5\u6cc1\u4e0b\uff0c\u56e0\u70ba\u6bcf\u6b21\u57f7\u884c\u90fd\u9700\u8981\u91cd\u65b0\u7de8\u8b6f\u67e5\u8a62\u3002<\/li>\n<li><strong>\u53ef\u8b80\u6027\uff1a<\/strong>\u904e\u5ea6\u4f7f\u7528\u52d5\u614bSQL\u53ef\u80fd\u6703\u4f7f\u4ee3\u78bc\u8b8a\u5f97\u96e3\u4ee5\u7dad\u8b77\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-JFOHNiEXIN\">\u7d50\u8ad6<\/h2>\n<p>\u52d5\u614bSQL\u662f\u4e00\u7a2e\u9748\u6d3b\u4e14\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u6839\u64da\u9700\u6c42\u81ea\u5b9a\u7fa9\u5217\u540d\u3002\u901a\u904e\u6b63\u78ba\u7684\u5be6\u73fe\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9805\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5229\u7528\u52d5\u614bSQL\u4f86\u63d0\u9ad8\u6578\u64da\u67e5\u8a62\u7684\u9748\u6d3b\u6027\u548c\u53ef\u7528\u6027\u3002\u5c0d\u65bc\u9700\u8981\u5728\u4e0d\u540c\u60c5\u5883\u4e0b\u751f\u6210\u67e5\u8a62\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1\u52d5\u614bSQL\u7684\u4f7f\u7528\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u6709\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u4f7f\u7528\u52d5\u614bSQL\u8a9e\u53e5\u81ea\u5b9a\u7fa9\u5217\u540d\u7684\u5be6\u73fe\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\u9748\u6d3b\u6027\u8207\u53ef\u8b80\u6027\uff0c\u7c21\u5316\u6578\u64da\u8655\u7406\u904e\u7a0b\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-185414","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185414","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=185414"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185414\/revisions"}],"predecessor-version":[{"id":185415,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185414\/revisions\/185415"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185414"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185414"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}