Which Statement Below About Data Warehouses and Data Marts Is

Which statement below about data warehouses and data marts is true?

A) The typical size of a data warehouse is small.
B) Data warehouses may replace the transaction processing databases of an organization.
C) A data warehouse or data mart complements the other databases within the organization by providing support for strategic decision making.
D) Data marts can be used for transaction processing.

Correct Answer:

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