Multiple Choice
Operational and informational systems are generally separated because of which of the following factors?
A) A data warehouse centralizes data that are scattered throughout disparate operational systems and makes them readily available for decision support applications.
B) A properly designed data warehouse decreases value to data.
C) A separate data warehouse increases contention for resources.
D) Only operational systems allow SQL statements.
Correct Answer:
Verified
Correct Answer:
Verified
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