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Re: performance problem : tkprof show many fetches with high elapsed time

From: <mccmx_at_hotmail.com>
Date: 5 Jan 2007 01:37:47 -0800
Message-ID: <1167989867.571271.55530@q40g2000cwq.googlegroups.com>


> I know ! It's hard to believe but the ID column is unique. Proof just
> below. I would very much like to find out why the update which executes
> 12 times updates more than 72K records. I would expect only 12 updates
> since ID is unique. What is happening here ?

Whoa, that is wierd...!

Try running this SQL below.... (bearing in mind that the query will full table scan that large table and potentially take a while).

select count(distinct id) from PROFILESTOREDATA;

You should get 1 returned....

Matt Received on Fri Jan 05 2007 - 03:37:47 CST

Original text of this message

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