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Message Posted: Mon, 26 Jan 2009 @ 16:56:20 GMT


     
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Subj:   Re: While Loop Performance
 
From:   Anomy Anom

<-- Anonymously Posted: Mon, 26 Jan 2009 11:56 -->

Are the loops iterating through a cursor (or multiple cursors)? Cursor fetch is inherently a sequential operation and does not exploit the parallel capabilities of the Teradata platform.

Best practice is to redesign the logic to use "set processing" rather than iteration.



     
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