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Question

What are aggregate fact tables in data warehousing?

a.

Fact tables with only text data

b.

Precalculated summaries derived from the most granular fact table

c.

Fact tables with normalized data

d.

Unprocessed raw data tables

Answer: (b).Precalculated summaries derived from the most granular fact table Explanation:Aggregate fact tables are precalculated summaries derived from the most granular fact table.

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Q. What are aggregate fact tables in data warehousing?

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