Home Page for the TeradataForum
 

Archives of the TeradataForum

Message Posted: Fri, 22 Feb 2002 @ 20:05:54 GMT


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


Subj:   Re: NUPI considerations
 
From:   Kumaran Anantaraman

Regarding

  2) would putting a USI (that would hardly ever be used) just to enforce uniqueness be worth the DASD  



I have tried using USI to protect the PK for a table and I have found that the size of the table doubles !!! (due to subtables). For (big) fact tables, I try to use other mechanisms to protect PK.


Kumaran Anantaraman



     
  <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: 27 Dec 2016