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Question

What does the metadata layer in the ROLAP model support?

a.

Mapping of dimensions to relational tables

b.

Storage of multidimensional hypercubes

c.

Creation of virtual multidimensional data cubes

d.

Summarizations in multidimensional databases

Answer: (a).Mapping of dimensions to relational tables Explanation:The metadata layer in the ROLAP model supports the mapping of dimensions to relational tables.

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Q. What does the metadata layer in the ROLAP model support?

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