Roger Karnouk wrote:
>
> Is it possible in a Select query to get values from the previously read row
> in order to do things like cumulative sums or other formulas which require
> the previous value in order to calculate the current value.
>
> ex.
> day current sales cumu_total
> ----- ------------------- ----------------
> 1 120 120
> 2 60 180
> 3 125 305
> 4 40 345
>
> I'd like to be able to do this in one select statement
> is this even possible?
>
> Roger Karnouk
> [EMAIL PROTECTED]
>
You can totalize all numbers but there isn't really any way in sql
to do cross-row type functions as you indicated? Why can't you do the
running some in whatever program is generating the output?
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