{"id":179610,"date":"2024-11-09T03:15:26","date_gmt":"2024-11-08T19:15:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179610\/"},"modified":"2024-11-09T03:15:27","modified_gmt":"2024-11-08T19:15:27","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-mssql-%e4%b8%ad%e6%9b%b4%e6%94%b9%e5%ad%97%e6%ae%b5%e5%80%bc%ef%bc%88%e6%9b%b4%e6%94%b9-mssql-%e5%ad%97%e6%ae%b5%e5%80%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179610\/","title":{"rendered":"\u5982\u4f55\u5728 MSSQL \u4e2d\u66f4\u6539\u5b57\u6bb5\u503c\uff08\u66f4\u6539 mssql \u5b57\u6bb5\u503c\uff09"},"content":{"rendered":"

\u5982\u4f55\u5728 MSSQL \u4e2d\u66f4\u6539\u5b57\u6bb5\u503c\uff08\u66f4\u6539 mssql \u5b57\u6bb5\u503c\uff09<\/h1>\n

\u5728\u4f7f\u7528 Microsoft SQL Server\uff08MSSQL\uff09\u9032\u884c\u6578\u64da\u7ba1\u7406\u6642\uff0c\u7d93\u5e38\u9700\u8981\u66f4\u6539\u8868\u4e2d\u7684\u5b57\u6bb5\u503c\u3002\u9019\u53ef\u80fd\u662f\u56e0\u70ba\u6578\u64da\u66f4\u65b0\u3001\u4fee\u6b63\u932f\u8aa4\u6216\u662f\u6839\u64da\u696d\u52d9\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 MSSQL \u4e2d\u6709\u6548\u5730\u66f4\u6539\u5b57\u6bb5\u503c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u7bc4\u4f8b\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n

\u4f7f\u7528 UPDATE \u8a9e\u53e5\u66f4\u6539\u5b57\u6bb5\u503c<\/h2>\n

\u5728 MSSQL \u4e2d\uff0c\u6700\u5e38\u7528\u4f86\u66f4\u6539\u5b57\u6bb5\u503c\u7684\u8a9e\u53e5\u662f UPDATE<\/code>\u3002\u9019\u500b\u8a9e\u53e5\u5141\u8a31\u7528\u6236\u6307\u5b9a\u8981\u66f4\u65b0\u7684\u8868\u3001\u8981\u66f4\u6539\u7684\u5b57\u6bb5\u4ee5\u53ca\u66f4\u65b0\u7684\u689d\u4ef6\u3002\u57fa\u672c\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

UPDATE \u8868\u540d\nSET \u5b57\u6bb5\u540d = \u65b0\u503c\nWHERE \u689d\u4ef6;<\/code><\/pre>\n
\u7bc4\u4f8b<\/h3>\n
\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba Employees<\/code> \u7684\u8868\uff0c\u8a72\u8868\u5305\u542b\u54e1\u5de5\u7684\u59d3\u540d\u548c\u85aa\u6c34\u3002\u5982\u679c\u6211\u5011\u60f3\u8981\u5c07\u54e1\u5de5 ID \u70ba 1 \u7684\u54e1\u5de5\u85aa\u6c34\u66f4\u6539\u70ba 60000\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n
UPDATE Employees\nSET Salary = 60000\nWHERE EmployeeID = 1;<\/code><\/pre>\n
\u9019\u689d\u8a9e\u53e5\u6703\u5c07 EmployeeID<\/code> \u70ba 1 \u7684\u54e1\u5de5\u7684\u85aa\u6c34\u66f4\u65b0\u70ba 60000\u3002<\/p>\n
\u66f4\u6539\u591a\u500b\u5b57\u6bb5\u503c<\/h2>\n
\u5982\u679c\u9700\u8981\u540c\u6642\u66f4\u6539\u591a\u500b\u5b57\u6bb5\u7684\u503c\uff0c\u53ef\u4ee5\u5728 SET<\/code> \u5b50\u53e5\u4e2d\u4f7f\u7528\u9017\u865f\u5206\u9694\u4e0d\u540c\u7684\u5b57\u6bb5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u8981\u540c\u6642\u66f4\u6539\u54e1\u5de5\u7684\u85aa\u6c34\u548c\u8077\u4f4d\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n
UPDATE Employees\nSET Salary = 60000, Position = 'Manager'\nWHERE EmployeeID = 1;<\/code><\/pre>\n
\u4f7f\u7528\u689d\u4ef6\u66f4\u65b0<\/h2>\n
\u5728\u9032\u884c\u66f4\u65b0\u6642\uff0cWHERE<\/code> \u5b50\u53e5\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u56e0\u70ba\u5b83\u78ba\u4fdd\u53ea\u6709\u7b26\u5408\u7279\u5b9a\u689d\u4ef6\u7684\u8a18\u9304\u6703\u88ab\u66f4\u65b0\u3002\u5982\u679c\u7701\u7565 WHERE<\/code> \u5b50\u53e5\uff0c\u5247\u6240\u6709\u8a18\u9304\u90fd\u6703\u88ab\u66f4\u65b0\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u640d\u5931\u6216\u932f\u8aa4\u3002<\/p>\n
\u7bc4\u4f8b\uff1a\u6839\u64da\u689d\u4ef6\u66f4\u65b0<\/h3>\n
\u5047\u8a2d\u6211\u5011\u60f3\u8981\u5c07\u6240\u6709\u85aa\u6c34\u4f4e\u65bc 50000 \u7684\u54e1\u5de5\u85aa\u6c34\u63d0\u9ad8 10%\u3002\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n
UPDATE Employees\nSET Salary = Salary * 1.1\nWHERE Salary < 50000;<\/code><\/pre>\n
\u9019\u689d\u8a9e\u53e5\u6703\u5c07\u6240\u6709\u85aa\u6c34\u4f4e\u65bc 50000 \u7684\u54e1\u5de5\u85aa\u6c34\u589e\u52a0 10%\u3002<\/p>\n
\u4f7f\u7528\u4e8b\u52d9\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027<\/h2>\n
\u5728\u9032\u884c\u91cd\u8981\u7684\u6578\u64da\u66f4\u65b0\u6642\uff0c\u5efa\u8b70\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u4e8b\u52d9\u53ef\u4ee5\u78ba\u4fdd\u4e00\u7d44\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u4e8b\u52d9\u7684\u7bc4\u4f8b\uff1a<\/p>\n
BEGIN TRANSACTION;\n\nUPDATE Employees\nSET Salary = 60000\nWHERE EmployeeID = 1;\n\n-- \u5047\u8a2d\u9019\u88e1\u6709\u5176\u4ed6\u7684\u66f4\u65b0\u64cd\u4f5c\n\nCOMMIT TRANSACTION;<\/code><\/pre>\n
\u5982\u679c\u5728\u4e8b\u52d9\u4e2d\u767c\u751f\u932f\u8aa4\uff0c\u53ef\u4ee5\u4f7f\u7528 ROLLBACK<\/code> \u4f86\u64a4\u92b7\u6240\u6709\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u8655\u65bc\u4e0d\u4e00\u81f4\u7684\u72c0\u614b\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728 MSSQL \u4e2d\u66f4\u6539\u5b57\u6bb5\u503c\u662f\u4e00\u500b\u5e38\u898b\u7684\u64cd\u4f5c\uff0c\u901a\u904e\u4f7f\u7528 UPDATE<\/code> \u8a9e\u53e5\uff0c\u60a8\u53ef\u4ee5\u9748\u6d3b\u5730\u66f4\u65b0\u55ae\u500b\u6216\u591a\u500b\u5b57\u6bb5\u7684\u503c\u3002\u8a18\u5f97\u5728\u9032\u884c\u66f4\u65b0\u6642\u4f7f\u7528 WHERE<\/code> \u5b50\u53e5\u4f86\u9650\u5236\u66f4\u65b0\u7bc4\u570d\uff0c\u4e26\u8003\u616e\u4f7f\u7528\u4e8b\u52d9\u4f86\u4fdd\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 \u9999\u6e2fVPS<\/a> \u6216 \u4e91\u670d\u52a1\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u5728 MSSQL \u4e2d\u66f4\u6539\u5b57\u6bb5\u503c\uff0c\u638c\u63e1\u4f7f\u7528 UPDATE \u8bed\u53e5\u548c\u6761\u4ef6\u7b5b\u9009\u6765\u6709\u6548\u66f4\u65b0\u6570\u636e\u7684\u65b9\u6cd5\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-179610","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179610","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=179610"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179610\/revisions"}],"predecessor-version":[{"id":179611,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179610\/revisions\/179611"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}