From: | Frank Lanitz <frank(at)frank(dot)uvena(dot)de> |
---|---|
To: | <pgsql-novice(at)postgresql(dot)org> |
Subject: | Re: count() in 9.2 |
Date: | 2012-10-18 10:37:40 |
Message-ID: | 5f210f18a949981339ed3d24a718d04c@frank.uvena.de |
Views: | Whole Thread | Raw Message | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-novice |
Am 2012-10-17 21:03, schrieb Steve Horn:
> Thanks for the replies. I think I need to re-evaluate based on what
> you are
> saying. From earlier tests I was finding that Postgres was slow to
> count
> records with any WHERE clause. Maybe my perception was incorrect
> because my
> samples were not controlled.
I really think its the first step: Define a good set of data and a
couple of
typical queries using the data to compare systems. Also keep care to
bring up
valid indexing and -- I assuming you already did that -- a good layout
of data.
E.g. splitting tables if you have 0 either 1 conditions.
Cheers,
Frank
From | Date | Subject | |
---|---|---|---|
Next Message | Peter Wintoft | 2012-10-18 12:38:30 | Re: Latex formatting |
Previous Message | George Roberge | 2012-10-18 01:56:53 | Re: Beginner's question about ODBC and/or foreign data sources |