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Question

What does "Roll Up" mean in the context of data analysis?

a.

Rolling back changes made to the database

b.

Rolling out new features in a database

c.

Rolling higher levels of summary data starting from detailed data

d.

Rolling multidimensional data cubes

Posted under Data Warehousing and OLAP

Answer: (c).Rolling higher levels of summary data starting from detailed data Explanation:Roll Up is a method of analysis for retrieving higher levels of summary data starting from detailed data.

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Q. What does "Roll Up" mean in the context of data analysis?
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