The Brick maintains a large data warehouse in which it keeps track of inventory,buying patterns,and regional differences.An examination of information from a data warehouse subset that contained data from its Calgary stores showed that for every one RCA stereo purchased,ten Sony stereos were purchased.This subset is referred to as which of the following?
A) a data mart
B) an information cluster
C) an information network
D) a data mine

Question

Quizplus · Accepted Answer

A data mart is a subset of a larger data warehouse that focuses on a specific business line or functional area. In this case, the data warehouse subset contains data from the Brick's Calgary stores and is focused on buying patterns for specific stereos. It is not an information cluster, network, or data mine as those terms do not typically refer to subsets of a data warehouse.

The Brick Maintains a Large Data Warehouse in Which It