<div class="codetitle"><a style="CURSOR: pointer" data="70704" class="copybut" id="copybut70704" onclick="doCopy('code70704')"> 代码如下:@H_301_2@<div class="codebody" id="code70704">
-- Create a log table
CREATE TABLE TriggerLog (LogInfo xml) -- Create a dummy table to delete later on
CREATE TABLE TableToDelete (Id int PRIMARY KEY) -- 新建一个新表,作为删除实验表
INSERT INTO TableToDelete VALUES(1)
GO -- 创建一个Drop Table 的 DDL
CREATE TRIGGER StopTableDrop ON DATABASE AFTER DROP_TABLE
AS
DECLARE @EventData AS xml
SET @EventData = EVENTDATA() -- 必须要在rollback之前截获DDL信息
ROLLBACK
PRINT 'DROP TABLE attempt in database ' + DBNAME() + '.'
INSERT INTO TriggerLog VALUES(@EventData)
@H301_2@
执行如下删除操作:
DROP TABLE TableToDelete
会触发上面的DDL,从而回滚操作。
执行下面的sql:
SELECT * FROM TriggerLog
查看刚才截获的DDL信息。