{"id":138623,"date":"2024-10-31T15:33:19","date_gmt":"2024-10-31T07:33:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/138623\/"},"modified":"2024-10-31T15:33:20","modified_gmt":"2024-10-31T07:33:20","slug":"sql-server%e5%a4%9a%e6%9b%bf%e6%8f%9b%e6%8a%80%e5%b7%a7%ef%bc%9a%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e8%99%95%e7%90%86%e8%83%bd%e5%8a%9b%ef%bc%88sqlserver%e5%a4%9a%e6%9b%bf%e6%8f%9b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/138623\/","title":{"rendered":"SQL Server\u591a\u66ff\u63db\u6280\u5de7\uff1a\u63d0\u9ad8\u6578\u64da\u8655\u7406\u80fd\u529b\uff08sqlserver\u591a\u66ff\u63db\uff09"},"content":{"rendered":"<h1 id=\"sql-server%e5%a4%9a%e6%9b%bf%e6%8f%9b%e6%8a%80%e5%b7%a7%ef%bc%9a%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e8%99%95%e7%90%86%e8%83%bd%e5%8a%9b-uMKkXpCBqF\">SQL Server\u591a\u66ff\u63db\u6280\u5de7\uff1a\u63d0\u9ad8\u6578\u64da\u8655\u7406\u80fd\u529b<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002SQL Server\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u63d0\u9ad8\u6578\u64da\u8655\u7406\u80fd\u529b\u3002\u5176\u4e2d\uff0c\u591a\u66ff\u63db\uff08Multi-Replace\uff09\u6280\u5de7\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5206\u6790\u5e2b\u66f4\u9ad8\u6548\u5730\u8655\u7406\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0eSQL Server\u4e2d\u7684\u591a\u66ff\u63db\u6280\u5de7\u53ca\u5176\u61c9\u7528\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%a4%9a%e6%9b%bf%e6%8f%9b%e6%8a%80%e5%b7%a7%ef%bc%9f-uMKkXpCBqF\">\u4ec0\u9ebc\u662f\u591a\u66ff\u63db\u6280\u5de7\uff1f<\/h2>\n<p>\u591a\u66ff\u63db\u6280\u5de7\u662f\u6307\u5728SQL Server\u4e2d\u540c\u6642\u5c0d\u591a\u500b\u503c\u9032\u884c\u66ff\u63db\u7684\u64cd\u4f5c\u3002\u9019\u7a2e\u6280\u5de7\u901a\u5e38\u7528\u65bc\u66f4\u65b0\u8868\u4e2d\u7684\u6578\u64da\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5c07\u67d0\u4e9b\u503c\u66ff\u63db\u70ba\u5176\u4ed6\u503c\u6642\u3002\u4f7f\u7528\u591a\u66ff\u63db\u53ef\u4ee5\u6e1b\u5c11\u591a\u6b21\u57f7\u884c\u66f4\u65b0\u8a9e\u53e5\u7684\u9700\u8981\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e6%9b%bf%e6%8f%9b%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-uMKkXpCBqF\">\u591a\u66ff\u63db\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528CASE\u8a9e\u53e5\u4f86\u5be6\u73fe\u591a\u66ff\u63db\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u8a9e\u6cd5\u7d50\u69cb\uff1a<\/p>\n<pre><code>\nUPDATE \u8868\u540d\nSET \u5217\u540d = CASE \n    WHEN \u5217\u540d = '\u820a\u503c1' THEN '\u65b0\u503c1'\n    WHEN \u5217\u540d = '\u820a\u503c2' THEN '\u65b0\u503c2'\n    WHEN \u5217\u540d = '\u820a\u503c3' THEN '\u65b0\u503c3'\n    ELSE \u5217\u540d\nEND\nWHERE \u5217\u540d IN ('\u820a\u503c1', '\u820a\u503c2', '\u820a\u503c3');\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u8868\u4e2d\u7684\u67d0\u4e00\u5217\u7684\u820a\u503c\u66ff\u63db\u70ba\u65b0\u503c\u3002\u4f7f\u7528CASE\u8a9e\u53e5\u53ef\u4ee5\u5728\u4e00\u500b\u66f4\u65b0\u64cd\u4f5c\u4e2d\u8655\u7406\u591a\u500b\u66ff\u63db\uff0c\u5f9e\u800c\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e7%a4%ba%e4%be%8b-uMKkXpCBqF\">\u5be6\u969b\u61c9\u7528\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201c\u54e1\u5de5\u201d\u7684\u8868\uff0c\u8a72\u8868\u5305\u542b\u4e00\u500b\u201c\u8077\u4f4d\u201d\u5217\uff0c\u6211\u5011\u5e0c\u671b\u5c07\u67d0\u4e9b\u8077\u4f4d\u540d\u7a31\u9032\u884c\u6279\u91cf\u66ff\u63db\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>\nUPDATE \u54e1\u5de5\nSET \u8077\u4f4d = CASE \n    WHEN \u8077\u4f4d = '\u521d\u7d1a\u5de5\u7a0b\u5e2b' THEN '\u5de5\u7a0b\u5e2b'\n    WHEN \u8077\u4f4d = '\u9ad8\u7d1a\u5de5\u7a0b\u5e2b' THEN '\u8cc7\u6df1\u5de5\u7a0b\u5e2b'\n    WHEN \u8077\u4f4d = '\u5be6\u7fd2\u751f' THEN '\u898b\u7fd2\u751f'\n    ELSE \u8077\u4f4d\nEND\nWHERE \u8077\u4f4d IN ('\u521d\u7d1a\u5de5\u7a0b\u5e2b', '\u9ad8\u7d1a\u5de5\u7a0b\u5e2b', '\u5be6\u7fd2\u751f');\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u201c\u521d\u7d1a\u5de5\u7a0b\u5e2b\u201d\u66ff\u63db\u70ba\u201c\u5de5\u7a0b\u5e2b\u201d\uff0c\u201c\u9ad8\u7d1a\u5de5\u7a0b\u5e2b\u201d\u66ff\u63db\u70ba\u201c\u8cc7\u6df1\u5de5\u7a0b\u5e2b\u201d\uff0c\u4ee5\u53ca\u201c\u5be6\u7fd2\u751f\u201d\u66ff\u63db\u70ba\u201c\u898b\u7fd2\u751f\u201d\u3002\u9019\u6a23\u7684\u64cd\u4f5c\u4e0d\u50c5\u7c21\u5316\u4e86\u4ee3\u78bc\uff0c\u9084\u63d0\u9ad8\u4e86\u57f7\u884c\u6548\u7387\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%a4%9a%e6%9b%bf%e6%8f%9b%e7%9a%84%e5%84%aa%e5%8b%a2-uMKkXpCBqF\">\u4f7f\u7528\u591a\u66ff\u63db\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u63d0\u9ad8\u6548\u7387\uff1a<\/strong>\u901a\u904e\u4e00\u6b21\u6027\u66f4\u65b0\u591a\u500b\u503c\uff0c\u6e1b\u5c11\u4e86\u591a\u6b21\u57f7\u884c\u66f4\u65b0\u8a9e\u53e5\u7684\u9700\u8981\u3002<\/li>\n<li><strong>\u7c21\u5316\u4ee3\u78bc\uff1a<\/strong>\u4f7f\u7528CASE\u8a9e\u53e5\u53ef\u4ee5\u4f7f\u4ee3\u78bc\u66f4\u52a0\u7c21\u6f54\u6613\u8b80\u3002<\/li>\n<li><strong>\u964d\u4f4e\u932f\u8aa4\u7387\uff1a<\/strong>\u6e1b\u5c11\u4e86\u591a\u6b21\u64cd\u4f5c\u7684\u53ef\u80fd\u6027\uff0c\u5f9e\u800c\u964d\u4f4e\u4e86\u51fa\u932f\u7684\u6a5f\u6703\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-uMKkXpCBqF\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528\u591a\u66ff\u63db\u6280\u5de7\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fddWHERE\u689d\u4ef6\u7684\u6b63\u78ba\u6027\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u66f4\u65b0\u3002<\/li>\n<li>\u5728\u9032\u884c\u5927\u898f\u6a21\u66f4\u65b0\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u9032\u884c\u6578\u64da\u5099\u4efd\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u6e2c\u8a66\u66f4\u65b0\u8a9e\u53e5\u7684\u6548\u679c\uff0c\u78ba\u4fdd\u5176\u7b26\u5408\u9810\u671f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-uMKkXpCBqF\">\u7e3d\u7d50<\/h2>\n<p>SQL Server\u4e2d\u7684\u591a\u66ff\u63db\u6280\u5de7\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u8655\u7406\u80fd\u529b\u3002\u901a\u904e\u4f7f\u7528CASE\u8a9e\u53e5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u4e00\u6b21\u66f4\u65b0\u64cd\u4f5c\u4e2d\u540c\u6642\u8655\u7406\u591a\u500b\u503c\uff0c\u5f9e\u800c\u63d0\u9ad8\u6548\u7387\u548c\u964d\u4f4e\u932f\u8aa4\u7387\u3002\u7121\u8ad6\u662f\u5728\u6578\u64da\u6e05\u7406\u3001\u6578\u64da\u9077\u79fb\u9084\u662f\u65e5\u5e38\u7dad\u8b77\u4e2d\uff0c\u638c\u63e1\u9019\u4e00\u6280\u5de7\u90fd\u5c07\u5c0d\u5de5\u4f5c\u5e36\u4f86\u6975\u5927\u7684\u4fbf\u5229\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u652f\u6301\u60a8\u7684SQL Server\u61c9\u7528\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL Server\u591a\u66ff\u63db\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u80fd\u529b\uff0c\u512a\u5316\u67e5\u8a62\u6548\u7387\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\uff0c\u52a9\u60a8\u8f15\u9b06\u61c9\u5c0d\u8907\u96dc\u6578\u64da\u9700\u6c42\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-138623","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138623","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=138623"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138623\/revisions"}],"predecessor-version":[{"id":138624,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/138623\/revisions\/138624"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=138623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=138623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=138623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}