What best describes a data mart?
A)a store where companies can purchase data
B)a collection of network servers dedicated to hosting database management systems on the Internet
C)a collection of data about a single product or department that is part of a larger collection of data
D)a type of business intelligence software used for making purchasing decisions

Question

Quizplus · Accepted Answer

A data mart is a subset of a larger data warehouse that is focused on a specific subject area, such as sales, marketing or finance. It contains a collection of data about a single product or department that is part of the larger collection of data, and is designed to support the needs of a specific business unit or group. A data mart can be easier and quicker to access and analyze than a larger, more complex data warehouse. Choices A, B, and D are all incorrect definitions of a data mart.

What Best Describes a Data Mart