Answer: Data warehouse
Explanation:
A data warehouse is a large store of data that is accumulated from a different sources within an organization. The purpose of a data warehouse is to guide management decisions and develop plans for improvement.
A data warehouse combines information from different sources into a complete and detailed database. For example, in organizations, a data warehouse may integrate the information about customers from the company's website, cash register, mailing lists, point-of-sale systems, and its comment cards.
It may also include all the information about the employees, including salary information, demographic data, time cards etc. The combination of information can be used by the company to make decisions.