Home Page for the TeradataForum
 

Archives of the TeradataForum

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


     
  <Prev Next>   <<First <Prev
Next>
Last>>
 


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.



     
  <Prev Next>   <<First <Prev
Next>
Last>>
 
 
 
 
 
 
 
 
 
  
  Top Home Privacy Feedback  
 
 
Copyright for the TeradataForum (TDATA-L), Manta BlueSky    
Copyright 2016 - All Rights Reserved    
Last Modified: 15 Jun 2023