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Precision Loss When Using SUM( )

 
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vini
Intermediate


Joined: 12 Jan 2004
Posts: 240
Topics: 48
Location: Maryland
PostPosted: Thu Nov 06, 2008 4:08 pm    Post subject: Precision Loss When Using SUM( ) Reply with quote
I have the following query where Db2 is returning me INTEGER values against the 3rd summed up column .........even though the column APPLIED_AMT being summed is a DECIMAL (9.2).
Kindly let me know how to have SUM return the exact precision of DECIMAL (9.2) instead of it rounding up the sums to integer values.
Code:

SELECT X
      ,Y
      ,SUM ( CASE DBCR_CD  WHEN '30'                   
                           THEN  0.00 - APPLIED_AMT     
                           ELSE  APPLIED_AMT END)
      ,COUNT(*)
  FROM TABLE
 GROUP BY X, Y HAVING
  SUM ( CASE DBCR_CD WHEN '30'                   
                     THEN 0.00 - APPLIED_AMT     
                     ELSE APPLIED_AMT END) <> 0
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vini
Intermediate


Joined: 12 Jan 2004
Posts: 240
Topics: 48
Location: Maryland
PostPosted: Thu Nov 06, 2008 4:25 pm    Post subject: Reply with quote
OK...strange ...I just found this works as expected in QMF but when I use QMF for Windows its the other story.
Does anyone know how to setup QMF for Windows to overcome this precision loss in the results ?
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dbzTHEdinosauer
Supermod


Joined: 20 Oct 2006
Posts: 1411
Topics: 26
Location: germany
PostPosted: Fri Nov 07, 2008 3:11 am    Post subject: Reply with quote
possibly by specifying a form. i don't know, but just a guess.
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Dick Brenholtz
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