What is a correct definition of Enterprise Data Warehouse (EDW)?

A.
An operational database that stores transactional data related to a specific business unit or
division

B.
A type of database that is often used as an interim logical storage area and is designed for
running relatively simple queries on small amounts of data

C.
A distributed file system that serves as a storage area for large amounts of data

D.
A central repository database used for reporting and data analysis

Explanation:
Reference:http://en.wikipedia.org/wiki/Data_warehouse