From: | Jan de Visser <jdevisser(at)digitalfairway(dot)com> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Cc: | Wei Weng <wweng(at)kencast(dot)com> |
Subject: | Re: Anything I can do to speed up this query? |
Date: | 2006-12-05 21:02:42 |
Message-ID: | 200612051602.42755.jdevisser@digitalfairway.com |
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Lists: | pgsql-general |
On Tuesday 05 December 2006 3:56 pm, Wei Weng wrote:
> I have a table that has roughly 200,000 entries and many columns.
>
> The query is very simple:
>
> SELECT Field1, Field2, Field3... FieldN FROM TargetTable;
>
> TargetTable has an index that is Field1.
>
> The thing is on this machine with 1Gig Ram, the above query still takes
> about 20 seconds to finish. And I need it to run faster, ideally around
> 5 seconds.
I suspect it's the time needed to ship the data over the wire. Don't forget
you're asking for an awful lot of data...
>
> Wei
>
jan
--
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Jan de Visser jdevisser(at)digitalfairway(dot)com
Baruk Khazad! Khazad ai-menu!
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