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Message Posted: Wed, 19 Mar 2008 @ 20:25:36 GMT


     
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Subj:   Re: Comparing blanks and Nulls
 
From:   Anomy Anom

<-- Anonymously Posted: Wed, 19 Mar 2008 13:31 -->

Thanks very much - nesting The NullIF in my COALESCE does what I want.

     COALESCE(NULLIF(COLA, ' '),  '*' ) AS COLA

this also worked:

     COALESCE(NULLIF(COLA, ''),  '*' ) AS COLA

Incidentally, we have an ASCII function that returns a 0 for this value, meaning Null?

When I use the Characters function, it returns 1.



     
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