On Mon, Aug 4, 2008 at 1:02 PM, David Wilson <david.t.wilson@xxxxxxxxx> wrote: > On Mon, Aug 4, 2008 at 2:08 PM, Rajarshi Guha <rguha@xxxxxxxxxxx> 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
