DESCR:

Categories: DM=Data Mining; DSS=Decision Support System; DW=Data Warehouse; EIS=Executive Information System; MDDB=MultiDimensional DataBase; MDQ=MultiDimensional Query tool; Query=Query tool. The term Managed Query Environment (MQE) is also used for the Traditional OLAP systems typically comprise an MDDB with DSS and EIS tools and an API. Relational OLAP is a newer category of systems featuring DSS/EIS tools using an MDQ interface to a relational database. A DW often serves as a back-end storing descript