A data warehouse will usually consist of
A) large air-conditioned buildings.
B) thousands of boxes of paper files.
C) A few fast severs and very large storage devices.
D) the same data as the company's operational data.
E) only government related information.

Question

Quizplus · Accepted Answer

A data warehouse usually consists of a few fast servers and very large storage devices, where the data is stored and processed for analysis. Large air-conditioned buildings may house the servers and storage devices, but they are not a requirement for a data warehouse. Thousands of boxes of paper files would not be efficient or practical for a data warehouse. The data in a data warehouse is typically different from the operational data used by the company, as it is optimized for analytical processing. Government-related information may be included in a data warehouse, but it is not a requirement.

A Data Warehouse Will Usually Consist of