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DDL trigger


DDL trigger

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SQLRNNR
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great question



Jason AKA CirqueDeSQLeil
I have given a name to my pain...
MCM SQL Server, MVP


SQL RNNR

Posting Performance Based Questions - Gail Shaw

Paul White
Paul White
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Hugo Kornelis (5/27/2010)
Or, another way to put it, you are missing that the point of these questions is to think about it, not to test your ability to copy/paste.

Firm but fair Laugh



Paul White
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Daniel Bowlin
Daniel Bowlin
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I got it right for the wrong reason.

DDL has never been my strong suit. This question came with some good background reading that was very educational.

Thanks.
magasvs
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Great question! I missed rollback and got it wrong.
UMG Developer
UMG Developer
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Thanks, learned another thing today!
emginet-874462
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After Execution Error through


(1 row(s) affected)
Msg 208, Level 16, State 1, Procedure test_ddl, Line 6
Invalid object name 'test_logs'.

(1 row(s) affected)
TomThomson
TomThomson
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Terrific question.

My brain was not working correctly - for some reason I decided that since DDL triggers (unlike DML triggers, which have an "instead" option) always execute after the DDL statement that fires them has completed, in autocommit mode they would execute after the DDL statement had committed - a crazy aberration! I knew it was wrong as I clicked the submit button, because I suddenly remembered that the DDL trigger example everyone uses is the one that displays an error message and rolls back a DROP, and this only works because the trigger and the DROP are parts of the same autocommit unit (transaction). Oh well, I won't forget that as easily again so the question has done me some good (and was fun to think through).

Tom

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