Home Page for the TeradataForum
 

Archives of the TeradataForum

Message Posted: Wed, 26 Apr 2006 @ 18:04:11 GMT


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


Subj:   How good is Explain on a SQL ?
 
From:   Choksi, Ketan

When I run the Explain on a SQL few steps shows High Confidence and few as no confidence.

When and why are the Confidence high, low and No ?

Why it the Actual run time(30 mins) a lot more then the Estimated time(2 mins) ?


Thanks



     
  <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