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Question

Why are dimension tables typically not normalized?

a.

To make them more efficient for query performance

b.

To allow for direct relationships with other tables

c.

To reduce the number of records in the table

d.

To add more columns and attributes

Answer: (a).To make them more efficient for query performance Explanation:Dimension tables are not normalized to optimize query performance by allowing direct relationships with other tables.

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Q. Why are dimension tables typically not normalized?

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