A data warehouse is composed of:
A)historical data from legacy systems.
B)current data.
C)internal and external data sources.
D)historic and current internal data.
E)historic external data.

Question

Quizplus · Accepted Answer

A data warehouse typically contains historic and current internal data, which is then organized and transformed for analysis and reporting purposes. While it may also incorporate data from external sources, the primary focus is on internal data. Legacy systems are often a source of historic data for the data warehouse.

A Data Warehouse Is Composed Of