Which of the following represents a reason data warehouses were created?
A)Numbers and types of operational databases increased as businesses grew.
B)Many companies had information scattered across multiple systems with different formats.
C)Completing reporting requests from numerous operational systems took days or weeks.
D)All of these.

Question

Quizplus · Accepted Answer

Data warehouse evolved and was created because of these business challenges: (1) numbers and types of operational databases increased, (2) many companies had information scattered across multiple systems with different file types, and (3) completing reporting requests from numerous operational systems took days or weeks.

Which of the Following Represents a Reason Data Warehouses Were