A multidimensional database is a form of database where the data is stored in cells and
the position of each cell is defined by a number of hierarchical called dimensions. Each cell represents a business event, and the value of the dimensions shows when and where this event happened.
Examples of multidimensional databases are Microsoft Analysis Services, Hyperion
Essbase, and Cognos PowerCube. The other terms that people use for a multidimensional
database are hypercube, cube, OLAP cube, multidimensional database (abbreviated as MDB,
MDD, or MDDB), and multidimensional data store (MDDS).
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