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Message Posted: Mon, 11 Jun 2007 @ 17:57:25 GMT


     
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Subj:   Blanks and Coalesce behavior
 
From:   Castelli Emanuel Alejandro

Hi all.

I'm runnig a query like this:

     select
     coalesce(field1,'')

In some rows, filed1 have blanks as values. Example: ' ' (ten blanks).

For this values, the coalesce function is returning the alternate value, the ''.

Why does it happen if the value of filed1 is not null?

Thanks all.


Bye.

Castelli, Emanuel Alejandro
Desarrollo DataWarehouse - IBM Argentina



     
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