{"id":159995,"date":"2024-11-03T19:24:20","date_gmt":"2024-11-03T11:24:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159995\/"},"modified":"2024-11-03T19:24:22","modified_gmt":"2024-11-03T11:24:22","slug":"mssql-%e6%95%99%e7%a8%8b-sql-ucase-%e5%87%bd%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159995\/","title":{"rendered":"MSSQL \u6559\u7a0b SQL UCASE() \u51fd\u6578"},"content":{"rendered":"<h1 id=\"mssql-%e6%95%99%e7%a8%8b-sql-ucase-%e5%87%bd%e6%95%b8-ATXKXjWwiO\">MSSQL \u6559\u7a0b SQL UCASE() \u51fd\u6578<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u67e5\u8a62\u548c\u64cd\u4f5c\u8cc7\u6599\u7684\u6a19\u6e96\u8a9e\u8a00\u3002Microsoft SQL Server\uff08MSSQL\uff09\u662f\u5176\u4e2d\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u51fd\u6578\u4f86\u8655\u7406\u8cc7\u6599\u3002\u672c\u6587\u5c07\u91cd\u9ede\u4ecb\u7d39 MSSQL \u4e2d\u7684 UCASE() \u51fd\u6578\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u4f7f\u7528\u7bc4\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-ucase-%e5%87%bd%e6%95%b8%ef%bc%9f-ATXKXjWwiO\">\u4ec0\u9ebc\u662f UCASE() \u51fd\u6578\uff1f<\/h2>\n<p>UCASE() \u51fd\u6578\u662f\u4e00\u500b\u7528\u65bc\u5c07\u5b57\u4e32\u8f49\u63db\u70ba\u5927\u5beb\u7684\u5167\u5efa\u51fd\u6578\u3002\u9019\u5728\u8655\u7406\u8cc7\u6599\u6642\u975e\u5e38\u6709\u7528\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9032\u884c\u4e0d\u5340\u5206\u5927\u5c0f\u5beb\u7684\u6bd4\u8f03\u6642\u3002UCASE() \u51fd\u6578\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UCASE(string)<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>string<\/code> \u662f\u8981\u8f49\u63db\u70ba\u5927\u5beb\u7684\u5b57\u4e32\u3002<\/p>\n<h2 id=\"ucase-%e5%87%bd%e6%95%b8%e7%9a%84%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-ATXKXjWwiO\">UCASE() \u51fd\u6578\u7684\u4f7f\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528 UCASE() \u51fd\u6578\u7684\u7bc4\u4f8b\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u5176\u7528\u6cd5\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-1%ef%bc%9a%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-ATXKXjWwiO\">\u7bc4\u4f8b 1\uff1a\u57fa\u672c\u7528\u6cd5<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>Employees<\/code> \u7684\u8cc7\u6599\u8868\uff0c\u8a72\u8cc7\u6599\u8868\u5305\u542b\u54e1\u5de5\u7684\u59d3\u540d\u3002\u4ee5\u4e0b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u54e1\u5de5\u7684\u59d3\u540d\uff0c\u4e26\u5c07\u5176\u8f49\u63db\u70ba\u5927\u5beb\uff1a<\/p>\n<pre><code>SELECT UCASE(Name) AS UpperCaseName FROM Employees;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u4e00\u500b\u540d\u70ba <code>UpperCaseName<\/code> \u7684\u6b04\u4f4d\uff0c\u8a72\u6b04\u4f4d\u4e2d\u7684\u6240\u6709\u59d3\u540d\u90fd\u5c07\u4ee5\u5927\u5beb\u5f62\u5f0f\u986f\u793a\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-2%ef%bc%9a%e8%88%87-where-%e5%ad%90%e5%8f%a5%e7%b5%90%e5%90%88%e4%bd%bf%e7%94%a8-ATXKXjWwiO\">\u7bc4\u4f8b 2\uff1a\u8207 WHERE \u5b50\u53e5\u7d50\u5408\u4f7f\u7528<\/h3>\n<p>UCASE() \u51fd\u6578\u4e5f\u53ef\u4ee5\u8207 <code>WHERE<\/code> \u5b50\u53e5\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u9032\u884c\u4e0d\u5340\u5206\u5927\u5c0f\u5beb\u7684\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u60f3\u67e5\u627e\u6240\u6709\u540d\u70ba &#8220;JOHN&#8221; \u7684\u54e1\u5de5\uff0c\u7121\u8ad6\u5176\u59d3\u540d\u7684\u5927\u5c0f\u5beb\u5982\u4f55\uff0c\u6211\u5011\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT * FROM Employees WHERE UCASE(Name) = 'JOHN';<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u59d3\u540d\u70ba &#8220;JOHN&#8221;\u3001&#8221;john&#8221;\u3001&#8221;John&#8221; \u7b49\u7684\u54e1\u5de5\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-3%ef%bc%9a%e5%9c%a8%e6%9b%b4%e6%96%b0%e6%93%8d%e4%bd%9c%e4%b8%ad%e4%bd%bf%e7%94%a8-ATXKXjWwiO\">\u7bc4\u4f8b 3\uff1a\u5728\u66f4\u65b0\u64cd\u4f5c\u4e2d\u4f7f\u7528<\/h3>\n<p>UCASE() \u51fd\u6578\u4e5f\u53ef\u4ee5\u7528\u65bc\u66f4\u65b0\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u5c07\u6240\u6709\u54e1\u5de5\u7684\u59d3\u540d\u66f4\u65b0\u70ba\u5927\u5beb\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>UPDATE Employees SET Name = UCASE(Name);<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u628a <code>Employees<\/code> \u8cc7\u6599\u8868\u4e2d\u6240\u6709\u54e1\u5de5\u7684\u59d3\u540d\u8f49\u63db\u70ba\u5927\u5beb\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-ATXKXjWwiO\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>UCASE() \u51fd\u6578\u5728\u8655\u7406\u7a7a\u503c\u6642\u4e0d\u6703\u8fd4\u56de\u932f\u8aa4\uff0c\u800c\u662f\u8fd4\u56de\u7a7a\u503c\u3002<\/li>\n<li>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528 UCASE() \u51fd\u6578\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u5927\u578b\u8cc7\u6599\u96c6\u4e0a\u9032\u884c\u64cd\u4f5c\u6642\u3002<\/li>\n<li>\u5728 MSSQL \u4e2d\uff0cUCASE() \u51fd\u6578\u662f <code>UPPER()<\/code> \u51fd\u6578\u7684\u540c\u7fa9\u8a5e\uff0c\u56e0\u6b64\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528 <code>UPPER()<\/code> \u4f86\u9054\u5230\u76f8\u540c\u7684\u6548\u679c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ATXKXjWwiO\">\u7e3d\u7d50<\/h2>\n<p>UCASE() \u51fd\u6578\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u5de5\u5177\uff0c\u7528\u65bc\u5c07\u5b57\u4e32\u8f49\u63db\u70ba\u5927\u5beb\uff0c\u4e26\u5728\u8cc7\u6599\u67e5\u8a62\u548c\u64cd\u4f5c\u4e2d\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u3002\u7121\u8ad6\u662f\u5728\u67e5\u8a62\u3001\u66f4\u65b0\u9084\u662f\u8cc7\u6599\u6bd4\u8f03\u4e2d\uff0cUCASE() \u51fd\u6578\u90fd\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u8cc7\u6599\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3 MSSQL \u7684\u5404\u7a2e\u51fd\u6578\uff0c\u80fd\u5920\u5e6b\u52a9\u60a8\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\u66f4\u52a0\u5f97\u5fc3\u61c9\u624b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2 MSSQL \u6559\u7a0b\u4e2d\u7684 SQL UCASE() \u51fd\u6578\uff0c\u4e86\u89e3\u5982\u4f55\u5c07\u5b57\u4e32\u8f49\u63db\u70ba\u5927\u5beb\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-159995","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159995","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=159995"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159995\/revisions"}],"predecessor-version":[{"id":159996,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159995\/revisions\/159996"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}