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Question

How should you estimate storage size for the overall corporate data warehouse?

a.

Estimate storage based on the business dimensions of the first data mart

b.

List the various attributes and estimate their field lengths for each business subject

c.

Calculate storage based on the number of users and their queries

d.

Estimate storage based on the type of OLAP planned for the data warehouse

Answer: (b).List the various attributes and estimate their field lengths for each business subject Explanation:To estimate storage size for the overall corporate data warehouse, you should list the various attributes, estimate their field lengths, and calculate storage needed for each business subject.

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Q. How should you estimate storage size for the overall corporate data warehouse?

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