The data in a data warehouse have which of the following characteristics?
A) They are organized by subject.
B) They are coded in different formats.
C) They are updated in real time.
D) They are typically retained for a defined, but limited, period of time.
E) They are organized in a hierarchical structure.

Question

Quizplus · Accepted Answer

Data in a data warehouse is organized by subject, which means that it is structured to align with the specific analytical requirements of the business or organization. Other characteristics of data in a data warehouse may include being coded in a standardized format, being updated on a regular basis, and being retained for a longer period of time than data in operational systems. However, data in a data warehouse is not typically updated in real time or organized in a hierarchical structure.

The Data in a Data Warehouse Have Which of the Following