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Question

What does Drill Down refer to in data analysis?

a.

Moving to higher levels of detailed data

b.

Starting from detailed data to summary data

c.

Analysis of summarized data

d.

Retrieving data from external sources

Posted under Data Warehousing and OLAP

Answer: (b).Starting from detailed data to summary data Explanation:Drill Down is a method of analysis for retrieving lower levels of detailed data starting from summary data.

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