Since the invention of the first data warehouse in the late 1980s, it has become an essential tool for ensuring data integration within a company. We explore what a data warehouse is, what types of data warehouse exist and how it differs from other databases.
Databases are part of the basic toolkit of any organization. However, usually only data managers are aware of the differences between the many types of databases that exist. In this article we explain the basic differences between a data warehouse and a data mart for non-experts.