>>> where a <> b or (a is null and b is not null) or (a is not null and
>>> b is null)
>> 
>> In the absence of IS DISTINCT FROM, I think this has the same semantics:
>> 
>>    where coalesce(a, b) <> coalesce(b, a)
> 
> sorry, but no.

So it would have to be where coalesce(a, b, 0) <> coalesce(b, a, 0) for your
example with ints, and likewise some default value for other column types...

-- 
Scott Ribe
[EMAIL PROTECTED]
http://www.killerbytes.com/
(303) 722-0567 voice



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