Question

Which of the following describe Data Warehouses? (select all that apply)

a) Has a purpose to combine strategic information into a single repository in such a way that people who need that information can make decisions and undertake business analysis.
b) A subset of information from a Datamart.
c) A process that transforms data from internal and external databases using a common set of enterprise wide definitions.
d) Supports business analysis activities and decision making tasks.
e) A logical collection of information gathered from many operational databases.

Answer 1

a) Has a purpose to combine strategic information into a single repository in such a way that people who need that information can make decisions and undertake business analysis.

Data warehouses are central sources of information collected from unconnected aspects of the business such as from operations, sales, purchasing, and inventory. The goal is to make better and more informed business decisions by looking at the "full picture."