Defines the ISO Reference Model of Data Management. It establishes a framework for coordinating the development of existing and future standards for the management of persistent data in information systems. See annex A for references to existing data management standards. Defines common terminology and concepts pertinent to all data held within information systems. Includes processes which are concerned with handling persistent data and their interaction with processes particular to the requirements of a specific information system. This includes common data management services such as those required to define, store, retrieve, update, maintain, backup, restore, and communicate applications and dictionary data. Includes consideration of standards for the management of data located on one or more computer systems, including services for distributed database management.