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Message Posted: Wed, 19 Dec 2001 @ 21:59:17 GMT


     
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Subj:   Re: Exists/Not Exists versus IN/Not IN
 
From:   Eric Kohut

The Null differences can be a very important part of this.

You should never use in / not in when Nulls are possible in the columns compared.

EJK
Eric J. Kohut
Senior Solutions Consultant - Teradata Solutions Group - Retail
Certified Teradata Master
NCR Corp.



     
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