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Message Posted: Wed, 28 Oct 2009 @ 19:17:35 GMT

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Subj:   Nested Aggregates & CSUM
From:   Graham, Fred

Hi Everyone,

First let me thank everyone for their replies to my previous question. The answers were very helpful. I am currently trying to summarize data for a report and data pull that is looking for the following columns:

     Yr-Month   Units Added   Cumulative(Units Added)   Monthly Runtime   Cumulative(Monthly Runtime)

The issue seems to be with nested aggregates.

My current query gets me up to the last column -

     Select t.Yr-Month,  t.UnitsAdded,  CSUM(t.UnitsAdded, t.Yr-Month) as
     ActiveUnits, (ActiveUnits * 30 * 24) as MonthlyRuntime
     From (
        cast((COMMISSION_DATE (format 'yyyy-mm') ) as char(16)) as
        ,count (COMMISSION_DATE) as UnitsAdded

     From tableX

     Group By Yr-Month
     ) t
     Order By t.Yr-Month

Ideally I would like to do a CSUM (Monthly Runtime) but I get the nested aggregate error. I would appreciate any suggestions


Fred Graham

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