Re: doc fix
От
Patrick Welche
Тема
Re: doc fix
Дата
Msg-id
20020211171201.K7581@quartz.newn.cam.ac.uk
Ответ на
Re: doc fix (Peter Eisentraut)
Список
Дерево обсуждения
doc fix Patrick Welche <prlw1@newn.cam.ac.uk>
Re: doc fix Tom Lane <tgl@sss.pgh.pa.us>
Re: doc fix Patrick Welche <prlw1@newn.cam.ac.uk>
Re: doc fix Peter Eisentraut <peter_e@gmx.net>
Re: doc fix Patrick Welche <prlw1@newn.cam.ac.uk>
On Mon, Feb 11, 2002 at 11:07:19AM -0500, Peter Eisentraut wrote: > Patrick Welche writes: > > > I think this is right.. > > No, it's talking about relational algebra, not SQL. OK please ignore it then.. I was trying to do (A union B) - (A intersection B) and wondered what to use as the -. Read sql.sgml to find union, intersect, and found no DIFFERENCE in gram.y, so thought that the list was wrong. Cheers, Patrick
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