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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 are stored outside of the database in highly optimized file structures.
C. OLAP cubes can be easily transported from database to database.
D. OLAP cubes can be queried by using SQL.
Correct Answer: D
Explanation/Reference:
All metadata for cubes and dimensions is stored in the Oracle database and revealed in the data dictionary views, so that you can query the entire business model in SQL.
Reference: Oracle OLAP User’s Guide, What’s New in Oracle OLAP?
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