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Question

Why is clustering beneficial in a data warehouse environment?

a.

It simplifies the data access patterns

b.

It reduces the need for storage

c.

It improves performance for sequential access of large quantities of data

d.

It minimizes the need for indexing

Answer: (c).It improves performance for sequential access of large quantities of data Explanation:Clustering in a data warehouse environment improves performance for sequential access of large quantities of data by placing and managing related units of data in the same physical block of storage.

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Q. Why is clustering beneficial in a data warehouse environment?

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