Question

What is the significance of unrestricted cross-dimensional operations?

a.

Restricting relations between data cells

b.

Performing roll-up and drill-down operations automatically

c.

Limiting the number of data dimensions

d.

Allowing only linear calculations

Posted under Data Warehousing and OLAP

Answer: (b).Performing roll-up and drill-down operations automatically Explanation:Unrestricted cross-dimensional operations involve allowing the system to recognize dimensional hierarchies and automatically perform roll-up and drill-down operations within a dimension or across dimensions.

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