https://en.wikipedia.org/wiki/OLAP_cube
OLAP slicing
OLAP Dicing
OLAP Drill-up and drill-down
OLAP pivoting
OLAP modeling is different from RDBMS modeling.
Bhavani Polimetla's Notes
https://en.wikipedia.org/wiki/OLAP_cube
OLAP slicing
OLAP Dicing
OLAP Drill-up and drill-down
OLAP pivoting
OLAP modeling is different from RDBMS modeling.