| From: | Andreas Joseph Krogh <andreak(at)officenet(dot)no> |
|---|---|
| To: | "Premsun Choltanwanich" <Premsun(at)nsasia(dot)co(dot)th> |
| Cc: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: Slow Query problem |
| Date: | 2008-01-29 10:24:23 |
| Message-ID: | 200801291124.23660.andreak@officenet.no |
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| Thread: | |
| Lists: | pgsql-sql |
On Tuesday 29 January 2008 09:18:00 Premsun Choltanwanich wrote:
> I already install the latest version of PostgreSQL on my machine then try
> again. I found that it has a little improvement about 0.5 second but I
> think it still slow.
>
> What is the 'more detail' you need?
Your tables, views and index definitions.
> Any other advise?
You haven't provided any information on how your tables/views look like and
what indexes you have defined. A rule of thumb is to define an index for each
column you join on.
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Andreas Joseph Krogh <andreak(at)officenet(dot)no>
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