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Question

What is a practical suggestion for ongoing fine-tuning of a data warehouse?

a.

Keep all indexes regardless of usage.

b.

Drop indexes that are no longer used.

c.

Review query performance only monthly.

d.

Avoid investigating long-running queries.

Answer: (b).Drop indexes that are no longer used. Explanation:A practical suggestion for ongoing fine-tuning of a data warehouse is to drop indexes that are no longer used.

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Q. What is a practical suggestion for ongoing fine-tuning of a data warehouse?

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