{"id":64951,"date":"2024-10-14T12:58:47","date_gmt":"2024-10-14T04:58:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/64951\/"},"modified":"2024-10-14T12:58:47","modified_gmt":"2024-10-14T04:58:47","slug":"mssql%e8%a7%b8%e7%99%bc%e5%99%a8%e4%b8%ad%e7%9a%84%e4%ba%8b%e5%8b%99%e9%a1%9e%e5%9e%8b%e6%8e%a2%e8%a8%8e%ef%bc%88mssql%e8%a7%b8%e7%99%bc%e5%99%a8%e4%ba%8b%e5%8b%99%e9%a1%9e%e5%9e%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/64951\/","title":{"rendered":"MSSQL\u89f8\u767c\u5668\u4e2d\u7684\u4e8b\u52d9\u985e\u578b\u63a2\u8a0e\uff08mssql\u89f8\u767c\u5668\u4e8b\u52d9\u985e\u578b\uff09"},"content":{"rendered":"<h1 id=\"mssql%e8%a7%b8%e7%99%bc%e5%99%a8%e4%b8%ad%e7%9a%84%e4%ba%8b%e5%8b%99%e9%a1%9e%e5%9e%8b%e6%8e%a2%e8%a8%8e-uJawLyuYbJ\">MSSQL\u89f8\u767c\u5668\u4e2d\u7684\u4e8b\u52d9\u985e\u578b\u63a2\u8a0e<\/h1>\n<p>\u5728Microsoft SQL Server\uff08MSSQL\uff09\u4e2d\uff0c\u89f8\u767c\u5668\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u6703\u5728\u7279\u5b9a\u4e8b\u4ef6\u767c\u751f\u6642\u81ea\u52d5\u57f7\u884c\u3002\u9019\u4e9b\u4e8b\u4ef6\u901a\u5e38\u662f\u5c0d\u6578\u64da\u8868\u7684\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u64cd\u4f5c\u3002\u89f8\u767c\u5668\u7684\u4e3b\u8981\u529f\u80fd\u662f\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\uff0c\u800c\u4e8b\u52d9\u5247\u662f\u78ba\u4fdd\u9019\u4e9b\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0eMSSQL\u89f8\u767c\u5668\u4e2d\u7684\u4e8b\u52d9\u985e\u578b\u53ca\u5176\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e8%a7%b8%e7%99%bc%e5%99%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-uJawLyuYbJ\">\u89f8\u767c\u5668\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u89f8\u767c\u5668\u53ef\u4ee5\u5206\u70ba\u5169\u7a2e\u985e\u578b\uff1a\u884c\u7d1a\u89f8\u767c\u5668\u548c\u8a9e\u53e5\u7d1a\u89f8\u767c\u5668\u3002\u884c\u7d1a\u89f8\u767c\u5668\u5728\u6bcf\u4e00\u884c\u6578\u64da\u8b8a\u66f4\u6642\u57f7\u884c\uff0c\u800c\u8a9e\u53e5\u7d1a\u89f8\u767c\u5668\u5247\u5728\u6574\u500b\u8a9e\u53e5\u57f7\u884c\u5f8c\u57f7\u884c\u3002\u9019\u5169\u7a2e\u89f8\u767c\u5668\u90fd\u53ef\u4ee5\u7528\u4f86\u57f7\u884c\u4e8b\u52d9\uff0c\u4f46\u5176\u884c\u70ba\u548c\u6027\u80fd\u7279\u5fb5\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h2 id=\"%e4%ba%8b%e5%8b%99%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-uJawLyuYbJ\">\u4e8b\u52d9\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u4e8b\u52d9\u662f\u4e00\u7d44\u64cd\u4f5c\u7684\u96c6\u5408\uff0c\u9019\u4e9b\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002\u4e8b\u52d9\u7684\u56db\u500b\u7279\u6027\uff08ACID\uff09\u5305\u62ec\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u548c\u6301\u4e45\u6027\u3002\u9019\u4e9b\u7279\u6027\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u53ef\u9760\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<h2 id=\"mssql%e8%a7%b8%e7%99%bc%e5%99%a8%e4%b8%ad%e7%9a%84%e4%ba%8b%e5%8b%99%e9%a1%9e%e5%9e%8b-uJawLyuYbJ\">MSSQL\u89f8\u767c\u5668\u4e2d\u7684\u4e8b\u52d9\u985e\u578b<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u89f8\u767c\u5668\u53ef\u4ee5\u5728\u4e8b\u52d9\u4e2d\u57f7\u884c\uff0c\u9019\u610f\u5473\u8457\u89f8\u767c\u5668\u5167\u90e8\u7684\u64cd\u4f5c\u53ef\u4ee5\u88ab\u8996\u70ba\u4e00\u500b\u4e8b\u52d9\u7684\u4e00\u90e8\u5206\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u4e8b\u52d9\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u81ea\u52d5\u4e8b\u52d9\uff1a<\/strong>\u7576\u89f8\u767c\u5668\u88ab\u89f8\u767c\u6642\uff0cMSSQL\u6703\u81ea\u52d5\u958b\u59cb\u4e00\u500b\u96b1\u5f0f\u4e8b\u52d9\u3002\u9019\u610f\u5473\u8457\u89f8\u767c\u5668\u5167\u7684\u6240\u6709\u64cd\u4f5c\u90fd\u6703\u88ab\u8996\u70ba\u4e00\u500b\u4e8b\u52d9\u7684\u4e00\u90e8\u5206\u3002<\/li>\n<li><strong>\u986f\u5f0f\u4e8b\u52d9\uff1a<\/strong>\u958b\u767c\u8005\u53ef\u4ee5\u5728\u89f8\u767c\u5668\u5167\u90e8\u4f7f\u7528 <code>BEGIN TRANSACTION<\/code>\u3001<code>COMMIT<\/code> \u548c <code>ROLLBACK<\/code> \u4f86\u63a7\u5236\u4e8b\u52d9\u7684\u958b\u59cb\u548c\u7d50\u675f\u3002\u9019\u6a23\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u7ba1\u7406\u4e8b\u52d9\u7684\u57f7\u884c\u3002<\/li>\n<\/ul>\n<h3 id=\"%e8%87%aa%e5%8b%95%e4%ba%8b%e5%8b%99%e7%9a%84%e7%a4%ba%e4%be%8b-uJawLyuYbJ\">\u81ea\u52d5\u4e8b\u52d9\u7684\u793a\u4f8b<\/h3>\n<pre><code>\nCREATE TRIGGER trgAfterInsert\nON Employees\nAFTER INSERT\nAS\nBEGIN\n    -- \u9019\u88e1\u7684\u64cd\u4f5c\u6703\u81ea\u52d5\u6210\u70ba\u4e00\u500b\u4e8b\u52d9\u7684\u4e00\u90e8\u5206\n    INSERT INTO AuditLog (Action, ActionDate)\n    VALUES ('Insert', GETDATE());\nEND;\n<\/code><\/pre>\n<h3 id=\"%e9%a1%af%e5%bc%8f%e4%ba%8b%e5%8b%99%e7%9a%84%e7%a4%ba%e4%be%8b-uJawLyuYbJ\">\u986f\u5f0f\u4e8b\u52d9\u7684\u793a\u4f8b<\/h3>\n<pre><code>\nCREATE TRIGGER trgBeforeDelete\nON Employees\nINSTEAD OF DELETE\nAS\nBEGIN\n    BEGIN TRANSACTION;\n    BEGIN TRY\n        -- \u57f7\u884c\u522a\u9664\u64cd\u4f5c\n        DELETE FROM Employees WHERE EmployeeID IN (SELECT EmployeeID FROM deleted);\n        COMMIT;\n    END TRY\n    BEGIN CATCH\n        ROLLBACK;\n        -- \u932f\u8aa4\u8655\u7406\n        PRINT ERROR_MESSAGE();\n    END CATCH;\nEND;\n<\/code><\/pre>\n<h2 id=\"%e8%a7%b8%e7%99%bc%e5%99%a8%e4%b8%ad%e7%9a%84%e4%ba%8b%e5%8b%99%e7%ae%a1%e7%90%86-uJawLyuYbJ\">\u89f8\u767c\u5668\u4e2d\u7684\u4e8b\u52d9\u7ba1\u7406<\/h2>\n<p>\u5728\u89f8\u767c\u5668\u4e2d\u4f7f\u7528\u4e8b\u52d9\u6642\uff0c\u9700\u8981\u7279\u5225\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u5728\u89f8\u767c\u5668\u4e2d\u57f7\u884c\u9577\u6642\u9593\u904b\u884c\u7684\u64cd\u4f5c\uff0c\u56e0\u70ba\u9019\u6703\u5f71\u97ff\u6574\u500b\u4e8b\u52d9\u7684\u6027\u80fd\u3002<\/li>\n<li>\u78ba\u4fdd\u932f\u8aa4\u8655\u7406\u6a5f\u5236\u5230\u4f4d\uff0c\u4ee5\u4fbf\u5728\u4e8b\u52d9\u5931\u6557\u6642\u80fd\u5920\u6b63\u78ba\u56de\u6efe\u3002<\/li>\n<li>\u8003\u616e\u89f8\u767c\u5668\u7684\u5d4c\u5957\uff0c\u907f\u514d\u56e0\u70ba\u591a\u5c64\u89f8\u767c\u5668\u800c\u5c0e\u81f4\u7684\u6027\u80fd\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-uJawLyuYbJ\">\u7e3d\u7d50<\/h2>\n<p>MSSQL\u89f8\u767c\u5668\u4e2d\u7684\u4e8b\u52d9\u985e\u578b\u5c0d\u65bc\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u81ea\u52d5\u4e8b\u52d9\u548c\u986f\u5f0f\u4e8b\u52d9\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u64cd\u4f5c\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\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\">\u9999\u6e2fVPS<\/a> \u65b9\u6848\u5c07\u662f\u660e\u667a\u4e4b\u8209\uff0c\u56e0\u70ba\u5b83\u80fd\u63d0\u4f9b\u7a69\u5b9a\u7684\u904b\u884c\u74b0\u5883\u548c\u512a\u8cea\u7684\u670d\u52d9\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u8a0eMSSQL\u89f8\u767c\u5668\u4e2d\u7684\u4e8b\u52d9\u985e\u578b\uff0c\u4e86\u89e3\u5176\u904b\u4f5c\u539f\u7406\u53ca\u5c0d\u6578\u64da\u5b8c\u6574\u6027\u7684\u5f71\u97ff\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-64951","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64951","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=64951"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64951\/revisions"}],"predecessor-version":[{"id":64952,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64951\/revisions\/64952"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=64951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=64951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=64951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}