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Question

What do drill downs and roll ups refer to in OLAP systems?

a.

Limiting data access

b.

Enhancing data security

c.

Providing greater details or aggregations along business dimensions

d.

Restricting the role of slicing and dicing operations

Posted under Data Warehousing and OLAP

Answer: (c).Providing greater details or aggregations along business dimensions Explanation:In OLAP systems, drill downs refer to obtaining greater details, and roll ups refer to aggregations along business dimensions.

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Q. What do drill downs and roll ups refer to in OLAP systems?
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