A Data Mart Usually Can Be Constructed More Rapidly and at Lower

question 78

Multiple Choice

A data mart usually can be constructed more rapidly and at lower cost than a data warehouse because

• A) a data mart typically focuses on a single subject area or line of business.
• B) all the information is historical.
• C) a data mart uses a Web interface.
• D) all of the information belongs to a single company.

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Definitions:

DVD Drives

A device that reads and, in some cases, writes data to a DVD disc, used in computers, entertainment systems, and some recording and playback hardware.

Input Devices

Hardware components used to enter data or commands into a computer system, such as keyboards, mice, scanners, and touchscreens.

Monitors

Devices used to display video output from computers or other video sources, serving as an interface for users to interact with digital content.

Virtual Private Network

A technology that creates a safe and encrypted connection over a less secure network, such as the internet, to provide privacy and secure data exchange.