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Question

What should be estimated in the requirements definition phase to determine storage sizes for the data staging area?

a.

Business dimensions and metrics for all data marts

b.

Data structures for each business subject and data transformations

c.

The total storage size for the entire data warehouse

d.

The size of the multidimensional databases

Answer: (b).Data structures for each business subject and data transformations Explanation:To determine storage sizes for the data staging area, you should estimate data structures for each business subject and consider data transformations.

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Q. What should be estimated in the requirements definition phase to determine storage sizes for the data staging area?

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