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Message Posted: Fri, 16 Sep 2005 @ 14:13:21 GMT

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Hi,

Just checkout the below query if you want handle NULL in different way you can use the below query:

     select C1,c2,c3
     from tableA A
     Where not exists
     (Select 1
     >From TableB B
     Where (Coalesce(a.c1,b.c1) IS  NULL OR a.c1 = b.c1)
         AND
         (Coalesce(a.c2,b.c2) IS   NULL OR a.c2 = b.c2)
         AND
         (Coalesce(a.c3,b.c3) IS  NULL OR a.c3 = b.c3)
);

The query given by Sonje is good.

Vinod

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