Maybe the MDX Extract() function will meet your needs - it eliminates
duplicates in the result set:
http://msdn2.microsoft.com/en-us/library/ms145980.aspx
Returns a set of tuples from extracted dimension elements.
...
Remarks
The Extract function returns a set that consists of tuples from the
extracted Dimension_Expression elements. This function always removes
duplicate tuples.
...
- Deepak
Deepak Puri
Microsoft MVP - SQL Server
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