If the enterprise data warehouse was created first in a company and then later data was extracted from it to create one or more data marts, this is known as ____ development.
A) minor-to-major
B) major-to-minor
C) bottom-up
D) top-down
E) sideways

Question

Quizplus · Accepted Answer

Top-down development involves the creation of a central enterprise data warehouse (EDW) and then the extraction of data to create smaller data marts. This approach is often used in larger organizations where there is a need for a centralized source of data for various departments or functional areas.

If the Enterprise Data Warehouse Was Created First in a Company