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Question

Which approach is characterized by the building of departmental data marts that later combine into a data warehouse?

a.

Top-down approach

b.

Bottom-up approach

c.

Independent data mart approach

d.

Centralized repository approach

Posted under Data Warehousing and OLAP

Answer: (b).Bottom-up approach Explanation:The bottom-up approach involves building departmental data marts that later combine into a data warehouse.

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Q. Which approach is characterized by the building of departmental data marts that later combine into a data warehouse?
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