Large volumes of data are centralized.
The data warehouse is a central data storage facility made up of various sources. The data is provided by different types of source software such as SAP, Siebel or Legacy systems, fed to the data warehouse via loader (ETL) and stored for a longer period of time.
Based on the data in the data warehouse, companies can use entrepreneurial tools for making decisions using data analyses according to OLAP or data mining.
The customary analysis methods specifically use a consistent data warehouse to provide you with greater insights into your own company.