Actian Matrix is being used as analytical tool to answer analytical questions business might have. Business inteligence group uses this database. It is not used across organization. Business has to run aggregate query on top of billion of rows - they use Matrix. BI team has to create internal reports (KPI), and Matrix is being used to do all the processing, [as well as] joins between multiple tables to generate aggregated report. Also, this is the source of a data virtualization layer.