
A data warehouse is a repository of information.
The word “data” means numerical or non-numerical information.
Databases that have many types of data sources.
As it allows them to centralize their data storage needs.
A data warehouse can store data derived from many sources.
Which makes it hard for the organization to draw meaningful conclusions about its customers.
Habits and preferences based on all their interactions with them over time.

It becomes possible to analyze that information without having to go back and forth between various database applications.
The word “data” means numerical or non-numerical information.