Data Warehouse Defined
A data warehouse is a type of data management system that is designed to enable and support business intelligence (BI) activities, especially analytics.A data warehouse is a relational database that is designed for query and analysis rather than for transaction processing.It usually contains large amounts of historical data derived from transaction data, but can include data from other sources.
A data warehouse is a relational database management system commonly used to connect and analyze business data from various heterogeneous sources and to help an organization make decisions. Data warehouses are central repositories of integrated data from one or more heterogeneous sources. A data warehouse is considered a core component of Business Intelligence.
