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Question

In a data warehouse environment, when are bitmapped indexes more suitable than B-Tree indexes?

a.

When the data warehouse deals with small volumes of data

b.

When the queries involve high-selectivity columns

c.

When analysis involves "what-if" scenarios with multiple predicates

d.

When data tables require frequent updates

Answer: (c).When analysis involves "what-if" scenarios with multiple predicates Explanation:Bitmapped indexes are more suitable in a data warehouse environment when analysis involves "what-if" scenarios with multiple predicates.

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Q. In a data warehouse environment, when are bitmapped indexes more suitable than B-Tree indexes?

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