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Message Posted: Thu, 11 Oct 2012 @ 13:12:06 GMT


     
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Subj:   Need Help with Perfomace Issue
 
From:   Kothari, Mahesh

Hi

I have a table for eg: Employee

Select * from employee work fine.

But if I write query like

     Select 1,2,3,4,sum(5),sum(6),sum(7)
     From employee
     Group by 1,2,3,4;

Note : 1,2 ...are columns here

Explain plan is very bad and query fails with spool space issue .

How to tackle such issues


Mahesh Kothari
Teradata India Pvt. Ltd.



     
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