Re: speeding up COUNT and DISTINCT queries - Mailing list pgsql-performance

On Wed, Mar 12, 2003 at 03:55:09PM -0700, Chad Thompson wrote:
> Ive found that group by works faster than distinct.
>
> Try
> EXPLAIN ANALYZE  select mac from node group by mac;

This was about 25% faster, thanks!

That will work for distinct() only calls, but I still am looking for a
way to speed up the count() command.  Maybe an internal counter of rows,
and  triggers?

-m