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Question

Why is external data important in a data warehouse?

a.

It conforms to internal formats and data types.

b.

It provides insights based on past organizational activities.

c.

It allows for fleet management in car rental companies.

d.

It helps in spotting industry trends and comparing performance with other organizations.

Answer: (d).It helps in spotting industry trends and comparing performance with other organizations. Explanation:The importance of external data for industry trend analysis and performance comparison.

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Q. Why is external data important in a data warehouse?

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