=?iso-8859-1?Q?Domoszlai_L=E1szl=F3?= <[EMAIL PROTECTED]> writes: > So, do you think a DIFFERENCE or EXCEPT SYMMETRIC clause will be reasonable > feauture for postgresql?
I doubt it; haven't heard a request for it before, and AFAICS there's no
such thing in the SQL spec...
regards, tom lane
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