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Interactive support for non-programmers: The relational and network approaches

Published: 01 January 1975 Publication History

Abstract

The objectives and strategies of the relational and network approaches are compared. The status of support for non-programming users is examined. General purpose support for such users entails provision of an augmented relationally complete retrieval capability without branching, explicit iteration, or cursors. It is clear how this capability can be realized with the relational approach—whether with a formal or informal language interface. It is not at all clear how the network approach can reach this goal, so long as the principal schema includes owner-coupled sets “bearing information essentially”. A relational discipline is suggested as a way out for DBTG users.

References

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C. J. Date, E. F. Codd, "The Relational and Network Approaches: Comparison of the Application Programming Interfaces," Proc. 1974 ACM-SIGFIDET Workshop.
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V. K. M. Whitney, "Relational Data Management Implementation Techniques," Proc. 1974 ACM-SIGFIDET Workshop.
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CODASYL, "Data Base Task Group Report," ACM, New York City, October 1969.
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R. W. Engles, "An Analysis of the April 1971 Data Base Task Group Report," Proc. 1971 ACM-SIGFIDET Workshop.
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C. J. Date, P. Hopewell, "File Definition and Logical Data Independence," Proc. 1971 ACM-SIGFIDET Workshop.
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cover image ACM Conferences
SIGFIDET '74: Proceedings of the 1974 ACM SIGFIDET (now SIGMOD) workshop on Data description, access and control: Data models: Data-structure-set versus relational
January 1975
144 pages
ISBN:9781450374187
DOI:10.1145/800297
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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Published: 01 January 1975

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Author Tags

  1. CODASYL data base task group
  2. Data base management systems
  3. Relational data base management

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