On Mon, Aug 4, 2008 at 1:02 PM, David Wilson <[EMAIL PROTECTED]> wrote: > On Mon, Aug 4, 2008 at 2:08 PM, Rajarshi Guha <[EMAIL PROTECTED]> wrote: > >> select count(aid) where cid = 123 and cid = 456; >> >> but I was wondering whether I could construct a single SQL statement to do >> this. >> >> Any pointers would be appreciated, > > Typed into gmail, so may need some tweaking, but something to the effect of: > > select count(*) from table a inner join table b on a.aid=b.bid group > by a.cid,b.cid; > > should do the trick, I'd think...
But then you need remove the dups where you got: 667 999 2 999 667 2 -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general