Computer technology enabling data from multiple operational processing systems to be brought together into a single source, which can then be accessed and interrogated. The data can be both current and historical. Warehousing differs from previous management information systems in that designers do not need to think about what questions might be asked of the system.
Online Analytical Processing (OLAP) is a powerful technology used in the realm of business intelligence to analyze data efficiently from multiple perspectives. It enables quick retrieval of information and facilitates complex business queries and reports.
