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Question

In the ROLAP model, how is data stored?

a.

As precalculated and prefabricated multidimensional data cubes

b.

In proprietary multidimensional databases (MDDBs)

c.

As rows and columns in a relational data model

d.

As virtual multidimensional data cubes

Posted under Data Warehousing and OLAP

Answer: (c).As rows and columns in a relational data model Explanation:In the ROLAP model, data is stored as rows and columns in a relational data model.

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Q. In the ROLAP model, how is data stored?
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