[tests] MINUS is not multi-set difference use case?

Hi all,

Thought we should add a use case that makes clear that MINUS is *NOT* multiset difference (i.e., in the sense of 
not removing rows by *cardinality*). See attached. 

If agreeable, I'd suggest to add that to the negation test cases.

Axel

Received on Monday, 20 September 2010 21:13:13 UTC