Question: Q 4 . ( 0 . 5 points ) Operational and analytical systems are generally separated because of which of the following factors? A data

Q4.(0.5 points) Operational and analytical systems are generally separated because of which of the following factors?
A data warehouse centralizes data that are scattered throughout disparate operational systems and makes them readily available for decision support applications.
A properly designed data warehouse decreases value to data.
A separate data warehouse increases contention for resources.
Only operational systems allow SQL statements.
None of above.
Q 4 . ( 0 . 5 points ) Operational and analytical

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