Performance question
From: idiot <ivg_at_beer.com>
Date: 2000/01/06
Message-ID: <3874a09e_at_athene.hdm-stuttgart.de>#1/1
Date: 2000/01/06
Message-ID: <3874a09e_at_athene.hdm-stuttgart.de>#1/1
I'm confused of using two methods of corellating the subquery, i. e.
is that a fact that one of them always works faster than other or there are
nuances?
thanx
" ... x in (select y ...) ... " and
" ... exists (select * .... where y = x) ... "