Data Warehouse is a large store of data accumulated from a wide range of sources within a company and used to guide management decisions.
- Keep data separate to protect source data and minimize performance impact on day to day operations.
- It possesses consolidated historical data, which helps the organization to analyze its business.
- A data warehouse helps executives to organize, understand, and use their data to take strategic decisions.
- Data warehouse systems help in the integration of diversity of application systems.