What is the difference between using UNION QUERY and ADD QUERY (TAB)? Can you not combine results similar to a UNION QUERY by ADDING QUERY TABS and merging the dimensions?
ANIVID (BOB member since 2009-09-12)
In relation to the above question, when is it advantageous to use UNION QUERY vs having mutlple query objects with merged dimension? And vice versa?
ANIVID (BOB member since 2009-09-12)
A union merges the data in rows (vertical) fashion. Adding a query and joining (merging) adds new columns (horizontal). The two techniques are not substitutes for each other.
Dave Rathbun 
(BOB member since 2002-06-06)
Thank you!
ANIVID (BOB member since 2009-09-12)