{"id":66335,"date":"2024-10-14T16:36:35","date_gmt":"2024-10-14T08:36:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66335\/"},"modified":"2024-10-14T16:36:35","modified_gmt":"2024-10-14T08:36:35","slug":"mssql%e4%b8%ad%e6%9b%b4%e6%96%b0%e4%b8%80%e6%a2%9d%e8%a8%98%e9%8c%84%e7%9a%84%e7%b0%a1%e5%96%ae%e6%96%b9%e6%b3%95%ef%bc%88mssql%e4%bf%ae%e6%94%b9%e4%b8%80%e8%a1%8c%e8%a8%98%e9%8c%84%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66335\/","title":{"rendered":"MSSQL\u4e2d\u66f4\u65b0\u4e00\u689d\u8a18\u9304\u7684\u7c21\u55ae\u65b9\u6cd5\uff08mssql\u4fee\u6539\u4e00\u884c\u8a18\u9304\uff09"},"content":{"rendered":"<h1 id=\"mssql%e4%b8%ad%e6%9b%b4%e6%96%b0%e4%b8%80%e6%a2%9d%e8%a8%98%e9%8c%84%e7%9a%84%e7%b0%a1%e5%96%ae%e6%96%b9%e6%b3%95%ef%bc%88mssql%e4%bf%ae%e6%94%b9%e4%b8%80%e8%a1%8c%e8%a8%98%e9%8c%84%ef%bc%89-aAateMIRXF\">MSSQL\u4e2d\u66f4\u65b0\u4e00\u689d\u8a18\u9304\u7684\u7c21\u55ae\u65b9\u6cd5\uff08mssql\u4fee\u6539\u4e00\u884c\u8a18\u9304\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u66f4\u65b0\u8a18\u9304\u662f\u4e00\u500b\u5e38\u898b\u7684\u64cd\u4f5c\u3002\u5c0d\u65bc\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u66f4\u65b0\u4e00\u689d\u8a18\u9304\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5728MSSQL\u4e2d\u66f4\u65b0\u4e00\u689d\u8a18\u9304\u7684\u57fa\u672c\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-aAateMIRXF\">\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u66f4\u65b0\u8a18\u9304\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE \u8868\u540d\nSET \u6b04\u4f4d1 = \u65b0\u503c1, \u6b04\u4f4d2 = \u65b0\u503c2, ...\nWHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u9019\u88e1\u7684<strong>UPDATE<\/strong>\u8a9e\u53e5\u7528\u65bc\u6307\u5b9a\u8981\u66f4\u65b0\u7684\u8868\uff0c<strong>SET<\/strong>\u8a9e\u53e5\u7528\u65bc\u6307\u5b9a\u8981\u66f4\u65b0\u7684\u6b04\u4f4d\u53ca\u5176\u65b0\u503c\uff0c\u800c<strong>WHERE<\/strong>\u5b50\u53e5\u5247\u7528\u65bc\u78ba\u5b9a\u54ea\u4e9b\u8a18\u9304\u9700\u8981\u88ab\u66f4\u65b0\u3002\u6c92\u6709<strong>WHERE<\/strong>\u5b50\u53e5\u7684\u8a71\uff0c\u6240\u6709\u8a18\u9304\u90fd\u6703\u88ab\u66f4\u65b0\uff0c\u9019\u901a\u5e38\u4e0d\u662f\u6211\u5011\u60f3\u8981\u7684\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e7%af%84%e4%be%8b-aAateMIRXF\">\u7bc4\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<strong>Employees<\/strong>\u7684\u8868\uff0c\u8a72\u8868\u5305\u542b\u4ee5\u4e0b\u6b04\u4f4d\uff1a<\/p>\n<ul>\n<li>EmployeeID<\/li>\n<li>Name<\/li>\n<li>Position<\/li>\n<li>Salary<\/li>\n<\/ul>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u66f4\u65b0\u67d0\u4f4d\u54e1\u5de5\u7684\u8077\u4f4d\u548c\u85aa\u6c34\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>UPDATE Employees\nSET Position = 'Senior Developer', Salary = 80000\nWHERE EmployeeID = 1;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07EmployeeID\u70ba1\u7684\u54e1\u5de5\u7684\u8077\u4f4d\u66f4\u65b0\u70ba\u300cSenior Developer\u300d\uff0c\u85aa\u6c34\u66f4\u65b0\u70ba80000\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-aAateMIRXF\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u66f4\u65b0\u64cd\u4f5c\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u8003\u616e\uff1a<\/p>\n<ul>\n<li><strong>\u5099\u4efd\u6578\u64da\uff1a<\/strong>\u5728\u9032\u884c\u4efb\u4f55\u66f4\u65b0\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u640d\u5931\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u66f4\u65b0\u8a9e\u53e5\uff1a<\/strong>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u57f7\u884c\u66f4\u65b0\u8a9e\u53e5\u4e4b\u524d\uff0c\u53ef\u4ee5\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\u5148\u9032\u884c\u6e2c\u8a66\uff0c\u4ee5\u78ba\u4fdd\u8a9e\u53e5\u7684\u6b63\u78ba\u6027\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e8b\u52d9\uff1a<\/strong>\u5728\u9032\u884c\u591a\u689d\u66f4\u65b0\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u5982\u679c\u5176\u4e2d\u4e00\u689d\u66f4\u65b0\u5931\u6557\uff0c\u53ef\u4ee5\u56de\u6efe\u6240\u6709\u66f4\u6539\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8b%99%e7%9a%84%e7%af%84%e4%be%8b-aAateMIRXF\">\u4f7f\u7528\u4e8b\u52d9\u7684\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u4e8b\u52d9\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>BEGIN TRANSACTION;\n\nUPDATE Employees\nSET Salary = Salary * 1.1\nWHERE Position = 'Developer';\n\nIF @@ERROR  0\nBEGIN\n    ROLLBACK TRANSACTION;\n    PRINT '\u66f4\u65b0\u5931\u6557';\nEND\nELSE\nBEGIN\n    COMMIT TRANSACTION;\n    PRINT '\u66f4\u65b0\u6210\u529f';\nEND;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5c07\u6240\u6709\u8077\u4f4d\u70ba\u300cDeveloper\u300d\u7684\u54e1\u5de5\u85aa\u6c34\u63d0\u9ad810%\u3002\u5982\u679c\u5728\u66f4\u65b0\u904e\u7a0b\u4e2d\u767c\u751f\u932f\u8aa4\uff0c\u5247\u6703\u56de\u6efe\u4e8b\u52d9\uff0c\u5426\u5247\u5c07\u63d0\u4ea4\u66f4\u6539\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-aAateMIRXF\">\u7e3d\u7d50<\/h2>\n<p>\u5728MSSQL\u4e2d\u66f4\u65b0\u4e00\u689d\u8a18\u9304\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u4f46\u9700\u8981\u8b39\u614e\u64cd\u4f5c\u4ee5\u907f\u514d\u6578\u64da\u640d\u5931\u3002\u901a\u904e\u4f7f\u7528\u6b63\u78ba\u7684\u8a9e\u6cd5\u548c\u6ce8\u610f\u4e8b\u9805\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u8a18\u9304\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\u548c\u6578\u64da\u7ba1\u7406\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5728MSSQL\u4e2d\u7c21\u55ae\u66f4\u65b0\u4e00\u689d\u8a18\u9304\u7684\u65b9\u6cd5\uff0c\u5feb\u901f\u638c\u63e1\u4fee\u6539\u6578\u64da\u7684\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\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-66335","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66335","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=66335"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66335\/revisions"}],"predecessor-version":[{"id":66336,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66335\/revisions\/66336"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}