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Message Posted: Sat, 08 Mar 2003 @ 08:48:33 GMT


     
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Subj:   Deleting from a huge table
 
From:   Anomy Anom

<-- Anonymously Posted: Friday, March 07, 2003 17:18 -->

I have a very huge table of 1.2 billion rows. I load every day about 30 million to this table. After the load need to delete about the same number of rows. The delete involves very complex logic. The PI on the table is non unique. The delete is based on columns, and not all of them are in the PI. Currently the delete takes about 3 hours. I would like to know if this is the best that we can do. Our production node is a W2K server with 4cpus. Could any one suggest a better way of deleting?

Thanks



     
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