The time horizon in Data warehouse is usually __________.
A. 1-2 years.
B. 3-4years.
C. 5-6 years.
D. 5-10 years.
Answer:D
The time horizon in Data warehouse is usually __________.
A. 1-2 years. B. 3-4years. C. 5-6 years. D. 5-10 years.