Identify the reason why Oracle OLAP provides a favorable aggregation strategy.

Identify the reason why Oracle OLAP provides a favorable aggregation strategy.

A.
OLAP cubes eliminate the need for a large number of aggregate tables.

B.
OLAP cubes can be queried by using SQL.

C.
OLAP cubes are stored outside of the database in highly optimized file structures.

D.
OLAP cubes can be easily transported from database to database.