> Joerg Fischer wrote:
> >
> > Chris Bitmead wrote:
> > >
> > > Isn't that what EXCEPT does?
> >
> > Maybe the operator is named differently between different database
> > systems. Anyway, as far as I am concerned, PGSQL lacks it. Or
> > (hopefully), am I wrong??
>
> Well Postgres has EXCEPT. Is that what you want?
I think we only got EXCEPT in 6.5 beta, so he may not have it yet.
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