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The Computer Journal 1981 24(3):193-199; doi:10.1093/comjnl/24.3.193
© 1981 by British Computer Society
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A universal data model holder for data dictionary systems

F. S. Zahran *

Dataskil Limited, 30 Old Compton Street, London, UK

Current data dictionary packages are based on different structures and support a wide variety of data models. In this paper, a basic generalised structure for data dictionary systems is suggested and it provides for holders for both a data and a process model of the information system described by the dictionary. We then suggest and describe a data structure for a data model holder which is capable of holding the data model that describes the information systems data elements, their structures, their interrelationships and their use. It is also shown how the structure suggested is universal and suitable for holding data models resulting from eight different data modelling techniques and views. Finally, it is suggested that this structure is suitable for being adopted as a basis for a universal data model holder for a new generation of data dictionary systems.

Received May 1979.

* Present Address: Computing Department, London School of Economics, Houghton Street, London WC2A 2AE, UK

§ Dataskil Limited, 30 Old Compton Street, London W1V 6ED, UK


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