OLAP universe is a pain in the ass… Especially SAP. Hehehe.
OLAP:
- You won’t see tables, all objects will appear directly to the left pane of designer.
- MDX queries are used instead of SQL
Actually there a lots of differences. Try searching the forum.
I found one!
https://bobj-board.org/t/62324
R.A. 
(BOB member since 2008-10-28)