On Wed, Jun 13, 2001 at 12:23:15PM +1000, Martijn van Oosterhout wrote:
> select x from a where v in (select v from b)
> select x from a where exists (select 1 from b where a.v = b.v)
The latter should be faster than the former on every relational database
system.
Michael
--
Michael Meskes
Michael@Fam-Meskes.De
Go SF 49ers! Go Rhein Fire!
Use Debian GNU/Linux! Use PostgreSQL!
