Re: Group by in DIVISION

JOHN_MCY wrote:
> hai,
>
>      I am new to SQL...
>
>         I am trying to get the result of some mathematical calculation with
> group by some key.
> I can get the result without grouping. here with i specified my table
> information and the SQL i have used to get the result..
>          
>        can anybody help me to write the correct SQL..
>   
...


perhaps someone on the general postgres list could help.   the postgres 
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