Online analytical processing (OLAP) Question: Download OLAP PDF

Aggregations are built from the _________________ by changing the granularity on specific dimensions.
a) Both c and d below
b) schema
c) Dimension table
d) Fact table

d) Fact table

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_____operation of OLAP provides alternate presentation of data by rotating it. a) Slice b) Roll up c) Dice d) Pivot	It is because of __________ that enables OLAP to achieve great performance for a query. a) Aggregation b) Composition c) Dice d) Hybrid