Re: aggregation over two hierarchies

navrsale wrote:
> In my application there are two given tables:

I'm with Sybrand. Unless you are planning on paying someone to do your job for you ... you need to do the work and we will help you if you get stuck. This does not look like that.

-- 
Daniel A. Morgan
University of Washington
damorgan_at_x.washington.edu
(replace 'x' with 'u' to respond)