Essbase

Essbase is a multidimensional database management system (MDBMS) that provides a multidimensional database platform upon which to build analytic applications. Essbase, whose name derives from "Spread Sheet dataBASE", with the "E" being added to make it easier to spell/pronounce, began as a product of Arbor Software, which merged with Hyperion Software in 1998. Oracle Corporation acquired Hyperion Solutions Corporation in 2007, as of 2009 it markets Essbase as "Oracle Essbase". Until late 2005 IBM also marketed the product — as DB2 OLAP Server.