The SAP Business Warehouse (termed as Business Information Warehouse) system is a data repository system. Data is launch into the Business Warehouse (BW) system where among other things it can be aggregated, exported, analyzed, and generated as a report.
The SAP BW system (Business Warehouse System) is a data warehousing solution developed by SAP to report, analysis, and business intelligence. Data is collected, integrated, and processed from a variety of sources to allow businesses to make informed decisions based on data. SAP Business Warehouse offers tools for extracting, transforming, and loading data, modeling data, and performing online analytical processing (OLAP). Integration with SAP and non-SAP systems is seamless, and it is often used in conjunction with SAP HANA to enhance performance.