Home Page for the TeradataForum
 

Archives of the TeradataForum

Message Posted: Wed, 14 Apr 2010 @ 15:55:39 GMT


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


Subj:   Re: PPI on Date and Char data
 
From:   Anomy Anom

<-- Anonymously Posted: Wednesday, April 14, 2010 11:52 -->

For a column that just contains an indicator with a few possible distinct values (e.g. Y/N), a single-column index would be a bad idea. Collecting single-column stats is generally a good idea, particularly if the data is heavily skewed to one of the two values.



     
  <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: 23 Jun 2019