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Composite type evaluates to Null if any element is null

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I have just re-read chapter 8.15 of the 8.3 manual and I am understanding why a composite type would evaluate to NUll if any of it elements are null.

Can anyone explain this behavior? To me if I have a composite type column and there are some values in it, its incomplete, yes, but not null.

Thanks for the feedback.


Ketema J. Harris
www.ketema.net
ketema@xxxxxxxxxx
ketemaj on iChat



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