Re: DECODE - Mailing list pgsql-novice

From Josh Berkus
Subject Re: DECODE
Date
Msg-id web-498956@davinci.ethosmedia.com
Whole thread Raw
In response to Re: DECODE  (David Link <dlink@soundscan.com>)
List pgsql-novice
David,

> >  I regularly use queries and views that involve 6-9 tables,
> > three UNIONS, and two sub-selects in each UNION ... and still get a
> 2-3
> > second response time on the 500mhz Celeron production machine.
>
> Thanks.  Good advice.
> Question: How big are those tables you're joining and uniting?  (disk
> size, and number of rows).

I'm not sure about disk size.  Some of the tables are reference lists,
with just a few dozen rows.  4 of the tables have at least 1000 rows
each.  Nothing large, or I'd use a faster processor.

-Josh

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