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Re: a performance question

From: Paul Brewer <paul_at_paul.brewers.org.uk>
Date: Fri, 21 Mar 2003 21:16:26 -0000
Message-ID: <3e7b83a1$1_3@mk-nntp-1.news.uk.worldonline.com>


"Jay" <jwu_at_nctr.fda.gov> wrote in message news:_AFea.60$N5.4917_at_mencken.net.nih.gov...
> I have a table that has about 100,000 records. The primary key has type of
> number. When I did a 'update column=value where primary_key > number and
> primary < number (about 100 records), it took about 15 minutes. Our
database
> server is a capable machine and this slow update is totally upacceptible.
> After we dropped the table and recreated it, the same update took less
than
> 1 second. I am wondering what change within the datase has made the huge
> performance difference. Thanks.
>

15 *minutes*? No performance is this slow. Was it waiting on a lock?

Regards,
Paul Received on Fri Mar 21 2003 - 15:16:26 CST

Original text of this message

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