SAP BW/4HANA means simplification and increased flexibility for well-known EDW (Enterprise Data Warehouse) architectures. Agile processes and principles of data lake architectures like ‘load first understand later’ find entry to new SAP BW/4HANA implementations and architecture considerations. In this session, we will start the discussion of chances and risks merging big data principles and proceedings with DWH (Data Warehouse) best practices.