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Re: BLOB fields slow down queries

From: <oaksong_at_hotmail.com>
Date: 27 Sep 2006 06:44:49 -0700
Message-ID: <1159364689.244461.51580@k70g2000cwa.googlegroups.com>


Why don't you use a secondary query to grab the blobs you really need once you've identified them with a preliminary query? It will clearly more time effective.

Big George wrote:
> Hello,
>
> If I run this query:
>
> select MyID, MyDescription, MyblobField
> >From MyTable
>
> Brings 500 records but it takes 30 seconds !
>
> If I select without any blob fied like:
>
> select MyID, MyDescription
> >From MyTable
>
> It's fast.
>
> The blob fields are storing images like jpg or gif files.
> Approximately, each field stores 250 KB.
> I know that blob fields are slowing down the query, but could be any
> way to accelerate it?
>
> Thank you!
Received on Wed Sep 27 2006 - 08:44:49 CDT

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