A) Data mine
B) knowledge-based system
C) Data warehouse
D) Decision support system
E) None of these
Correct Answer: C
Solution :
A data ware house is the main repository of the organization's historical data, its corporates memory the data warehouse optimized by reporting and analysis. Data in warehouse is time variant. It means that the change to the data in database are track and recorded so that reports can be produced showing changes over times.
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