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The data warehouse DBMS needs to be the same DBMS used for the operational database.

  • A.True
  • B.False

Answer: B

Correct answer: False

There is no such requirement, and in practice the two are often different products chosen for different purposes: the operational DBMS for transaction throughput and integrity, the warehouse DBMS for analytical query performance over large volumes. The extraction and preparation programs bridge whatever difference exists.

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