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Question

What is the significance of planning for aggregate fact tables in the ETL process?

a.

It helps in data extraction from source systems.

b.

It ensures data transformation is efficient.

c.

It is essential for populating atomic fact tables.

d.

It supports performance improvements in the data warehouse.

Answer: (d).It supports performance improvements in the data warehouse. Explanation:Planning for aggregate fact tables in ETL is crucial for performance improvements in the data warehouse.

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Q. What is the significance of planning for aggregate fact tables in the ETL process?

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