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Fourth generation data management systems

Published: 04 June 1973 Publication History

Abstract

Many hundreds of programming systems have been developed in recent years to aid programmers in the management of large amounnts of data. Some trends in the development of these data management systems are followed in this paper and combined with ideas now being studied to predict the architecture of the next generation of data management systems. The evolution of data management facilities can be grouped into several generations with fuzzy boundaries. Generation zero was the era when each programmer wrote all his own input, output, and data manipulation facilities. A new generation of facilities occurred with the use of standard access methods and standard input/output conversion routines for all programs at an installation or on a particular computer system. The second generation of data management was the development of file manipulation and report writing systems such as RPG, EASYTRIEVE, and MARK IV. Much more comprehensive facilities for the creation, updating, and accessing of large structures of files are included in the third generation of generalized data management systems such as IMS/2, IDS, and the CODASYL specifications. Each of these generations of data management systems marked great increases in system flexibility, generality, modularity, and usability. Before speculating on the future of data management, let us survey this history in more detail.

References

[1]
CODASYL Data Base Task Group April 1971 Report, Available from ACM.
[2]
Codd, E. F., "A Relational Model of Data for Large Shared Data Bases," Communications of the ACM, Vol. 13, No. 6, June 1970.
[3]
Childs, D. L., "Feasibility of a Set-Theoretic Data Structure," Proceedings of IFIP, 1968.
[4]
Codd, E. F., "Relational Completeness of Data Base Sublanguage," Proceedings of Courant Institute Symposium on Data Base Systems, 1971.
[5]
Dayl, C. J., Hopewell, P., "Storage Structure and Physical Data Independence," Proceedings of ACM SIGFIDET Workshop, 1971.
[6]
Hardgrave, W. T., "BOLTS - A Retrieval Language for Tree Structured Data Base Systems," Proceedings of the Fourth International Conference on Information Systems (COINS-72), December 1972.
[7]
Whitney, V. K. M., "A Relational Data Management System (RDMS)," Proceedings of the Fourth International Conference on Information Systems (COINS-72), December 1972.

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cover image ACM Other conferences
AFIPS '73: Proceedings of the June 4-8, 1973, national computer conference and exposition
June 1973
936 pages
ISBN:9781450379168
DOI:10.1145/1499586
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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  • AFIPS: American Federation of Information Processing Societies

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 04 June 1973

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