Question

How is data presented in the ROLAP model?

a.

As precalculated and prefabricated multidimensional data cubes

b.

As virtual multidimensional data cubes

c.

As arrays in specialized multidimensional databases

d.

As consolidated data in multidimensional hypercubes

Posted under Data Warehousing and OLAP

Answer: (b).As virtual multidimensional data cubes Explanation:In the ROLAP model, data is presented as virtual multidimensional data cubes.

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Q. How is data presented in the ROLAP model?

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