{"id":64949,"date":"2024-10-14T12:58:17","date_gmt":"2024-10-14T04:58:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/64949\/"},"modified":"2024-10-14T12:58:17","modified_gmt":"2024-10-14T04:58:17","slug":"mssql%e8%a7%b8%e7%99%bc%e5%99%a8%e8%aa%9e%e5%8f%a5%e7%b0%a1%e4%bb%8b%ef%bc%88mssql%e8%a7%b8%e7%99%bc%e5%99%a8%e8%aa%9e%e5%8f%a5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/64949\/","title":{"rendered":"MSSQL\u89f8\u767c\u5668\u8a9e\u53e5\u7c21\u4ecb\uff08mssql\u89f8\u767c\u5668\u8a9e\u53e5\uff09"},"content":{"rendered":"<h1 id=\"mssql%e8%a7%b8%e7%99%bc%e5%99%a8%e8%aa%9e%e5%8f%a5%e7%b0%a1%e4%bb%8b%ef%bc%88mssql%e8%a7%b8%e7%99%bc%e5%99%a8%e8%aa%9e%e5%8f%a5%ef%bc%89-iGrdewQtDO\">MSSQL\u89f8\u767c\u5668\u8a9e\u53e5\u7c21\u4ecb\uff08mssql\u89f8\u767c\u5668\u8a9e\u53e5\uff09<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u89f8\u767c\u5668\uff08Trigger\uff09\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u5132\u5b58\u7a0b\u5e8f\uff0c\u5b83\u6703\u5728\u7279\u5b9a\u4e8b\u4ef6\u767c\u751f\u6642\u81ea\u52d5\u57f7\u884c\u3002Microsoft SQL Server\uff08MSSQL\uff09\u4e2d\u7684\u89f8\u767c\u5668\u4e3b\u8981\u7528\u65bc\u81ea\u52d5\u5316\u6578\u64da\u8655\u7406\u3001\u7dad\u8b77\u6578\u64da\u5b8c\u6574\u6027\u4ee5\u53ca\u5be6\u73fe\u8907\u96dc\u7684\u696d\u52d9\u908f\u8f2f\u3002\u672c\u6587\u5c07\u4ecb\u7d39MSSQL\u89f8\u767c\u5668\u7684\u57fa\u672c\u6982\u5ff5\u3001\u985e\u578b\u53ca\u5176\u4f7f\u7528\u7bc4\u4f8b\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-iGrdewQtDO\">\u89f8\u767c\u5668\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u89f8\u767c\u5668\u662f\u4e00\u7a2e\u8207\u8868\u6216\u8996\u5716\u95dc\u806f\u7684\u7279\u6b8a\u985e\u578b\u7684\u5132\u5b58\u7a0b\u5e8f\u3002\u7576\u5c0d\u9019\u4e9b\u8868\u6216\u8996\u5716\u57f7\u884cINSERT\u3001UPDATE\u6216DELETE\u64cd\u4f5c\u6642\uff0c\u89f8\u767c\u5668\u6703\u81ea\u52d5\u88ab\u89f8\u767c\u3002\u9019\u4f7f\u5f97\u89f8\u767c\u5668\u6210\u70ba\u5be6\u73fe\u81ea\u52d5\u5316\u6578\u64da\u8655\u7406\u7684\u6709\u6548\u5de5\u5177\u3002<\/p>\n<h2 id=\"%e8%a7%b8%e7%99%bc%e5%99%a8%e7%9a%84%e9%a1%9e%e5%9e%8b-iGrdewQtDO\">\u89f8\u767c\u5668\u7684\u985e\u578b<\/h2>\n<p>MSSQL\u4e2d\u7684\u89f8\u767c\u5668\u4e3b\u8981\u5206\u70ba\u5169\u7a2e\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u884c\u7d1a\u89f8\u767c\u5668\uff08Row-level Trigger\uff09<\/strong>\uff1a\u7576\u5c0d\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u9032\u884c\u64cd\u4f5c\u6642\uff0c\u89f8\u767c\u5668\u6703\u88ab\u57f7\u884c\u4e00\u6b21\u3002\u9019\u985e\u89f8\u767c\u5668\u9069\u5408\u9700\u8981\u5c0d\u6bcf\u4e00\u884c\u6578\u64da\u9032\u884c\u8655\u7406\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u8a9e\u53e5\u7d1a\u89f8\u767c\u5668\uff08Statement-level Trigger\uff09<\/strong>\uff1a\u7576\u5c0d\u8868\u9032\u884c\u64cd\u4f5c\u6642\uff0c\u7121\u8ad6\u5f71\u97ff\u4e86\u591a\u5c11\u884c\uff0c\u89f8\u767c\u5668\u53ea\u6703\u57f7\u884c\u4e00\u6b21\u3002\u9019\u985e\u89f8\u767c\u5668\u9069\u5408\u9700\u8981\u5728\u6574\u9ad4\u64cd\u4f5c\u5b8c\u6210\u5f8c\u9032\u884c\u8655\u7406\u7684\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e8%a7%b8%e7%99%bc%e5%99%a8%e7%9a%84%e8%aa%9e%e6%b3%95-iGrdewQtDO\">\u5275\u5efa\u89f8\u767c\u5668\u7684\u8a9e\u6cd5<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u5275\u5efa\u89f8\u767c\u5668\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TRIGGER \u89f8\u767c\u5668\u540d\u7a31\nON \u8868\u540d\u7a31\nAFTER INSERT, UPDATE, DELETE\nAS\nBEGIN\n    -- \u89f8\u767c\u5668\u908f\u8f2f\nEND;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<strong>AFTER<\/strong>\u95dc\u9375\u5b57\u8868\u793a\u89f8\u767c\u5668\u5728INSERT\u3001UPDATE\u6216DELETE\u64cd\u4f5c\u4e4b\u5f8c\u57f7\u884c\u3002\u9084\u53ef\u4ee5\u4f7f\u7528<strong>INSTEAD OF<\/strong>\u95dc\u9375\u5b57\uff0c\u9019\u6a23\u89f8\u767c\u5668\u6703\u5728\u64cd\u4f5c\u4e4b\u524d\u57f7\u884c\u3002<\/p>\n<h2 id=\"%e8%a7%b8%e7%99%bc%e5%99%a8%e7%9a%84%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-iGrdewQtDO\">\u89f8\u767c\u5668\u7684\u4f7f\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5275\u5efa\u4e00\u500b\u884c\u7d1a\u89f8\u767c\u5668\uff0c\u7576\u5c0d\u67d0\u500b\u8868\u9032\u884cINSERT\u64cd\u4f5c\u6642\uff0c\u81ea\u52d5\u8a18\u9304\u63d2\u5165\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>CREATE TABLE LogTable (\n    LogID INT PRIMARY KEY IDENTITY,\n    Action VARCHAR(50),\n    ActionTime DATETIME\n);\n\nCREATE TRIGGER trgAfterInsert\nON YourTable\nAFTER INSERT\nAS\nBEGIN\n    INSERT INTO LogTable (Action, ActionTime)\n    SELECT 'Inserted', GETDATE()\n    FROM inserted;\nEND;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u7576\u5c0d<code>YourTable<\/code>\u9032\u884c\u63d2\u5165\u64cd\u4f5c\u6642\uff0c\u89f8\u767c\u5668<code>trgAfterInsert<\/code>\u6703\u81ea\u52d5\u5c07\u63d2\u5165\u7684\u52d5\u4f5c\u548c\u7576\u524d\u6642\u9593\u8a18\u9304\u5230<code>LogTable<\/code>\u4e2d\u3002<\/p>\n<h2 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