On Thu, Dec 21, 2017 at 5:08 PM, Victor Yegorov <vyego...@gmail.com> wrote:
> > Also, intersection should not return more rows, than there're in the > sub-relations. > > Doh!, I think I got UNION into my mind somewhere in that... David J.
On Thu, Dec 21, 2017 at 5:08 PM, Victor Yegorov <vyego...@gmail.com> wrote:
> > Also, intersection should not return more rows, than there're in the > sub-relations. > > Doh!, I think I got UNION into my mind somewhere in that... David J.