Question: The main difference between a data warehouse and a data mart is that: A . a data mart is larger than a data warehouse. B

The main difference between a data warehouse and a data mart is that:
A. a data mart is larger than a data warehouse.
B. a data mart is a subset of data from a data warehouse.
C. a data warehouse is available for data mining while a data mart is not able to be mined.
D. None of these is correct.

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