Hi. I'm going to make a second pass thru Marco Russo's many to many paper at http://www.sqlbi.com/wp-content/uploads/The_Many-to-Many_Revolution_2.0.pdf . But in the mean time I thought I'd throw the question I'm researching out to the community.
I have a Product dimension that can belong to multiple "Groups" in my Group dimension. I'm trying to determine how difficult it would be to give my user the ability to pivot a certain measure group on his choice of Group names. He would choose to pivot all of history on the current Group mappings or those in effect during the accounting month to which the dollars fall into.
Any thoughts?