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Re: ALL and empty set

Posted by Alex Kuznetsov on 10/05/65 11:59

Dimitri,

I do not think it is a good idea to use ALL clause in production ever,
because it is not intuitive to understand.
The mainstream approach is to use IN and/or EXISTS and/or JOIN.
Also note that queries using mainstream features have a better chance
to get a decent execution plan.

-----------------------
Alex Kuznetsov
http://sqlserver-tips.blogspot.com/
http://sqlserver-puzzles.blogspot.com/

 

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