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Question

What is a recommended indexing strategy for dimension tables in a data warehouse?

a.

Create a B-Tree index only on the columns used in join conditions

b.

Create a bitmapped index on the primary key column

c.

Create a unique B-Tree index on the single-column primary key

d.

Avoid indexing dimension tables to prevent performance issues

Answer: (c).Create a unique B-Tree index on the single-column primary key Explanation:A recommended indexing strategy for dimension tables in a data warehouse is to create a unique B-Tree index on the single-column primary key.

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Q. What is a recommended indexing strategy for dimension tables in a data warehouse?

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