Mapping

The process of relating a source element to a target and describing the transformation that satisfies the relationship.

Massively Parallel Processor (MPP)

Computer hardware architecture allowing independently coordinated processors and memory space.

Metadata

Data about data including the description of the structure, content, keys, indexes, etc., of data.

Metadata Access Tool

A software application that provides access to metadata such as Prism Solution’s Directory Manager.

Methodology

A strategy and approach to achieving some goal presented as a framework in which related processes made up of activities or steps are grouped. A methodology is normally used as a guideline rather than as a strict set of instructions.

Migration

The process by which frequently used items of data are moved to more readily accessible areas of storage and infrequently used items of data are moved to less readily accessible areas of storage.

Multidimensional-Dimensional Structures

Data structures that have relationships beyond that of a two dimensional tables. A multidimensional-dimensional data set is often referred to as a "cube".