Which of the following is NOT a reason that data warehouses be created and maintained separately from operational databases?
A) It is impractical to keep both operational and archive data in the same database.
B) The continued influence of legacy systems.
C) A separate centralized data warehouse is an effective means of collecting data from diverse sources.
D) All of these are reasons that data warehouses are maintained separately.

Question

Quizplus · Accepted Answer

All of the options mentioned are reasons why data warehouses should be kept separate from operational databases.

Which of the Following Is NOT a Reason That Data