The implementation of GERM, an entity-relationship data base management system

Authors:
R. L. Benneworth;C. D. Bishop;C. J. M. Turnbull;W. D. Holman;F. M. Monette
Affiliations:
-;-;-;-;-
Venue:
VLDB '81 Proceedings of the seventh international conference on Very Large Data Bases - Volume 7
Year:
1981

Citing 3
Cited 0

The entity-relationship model—toward a unified view of data

ACM Transactions on Database Systems (TODS) - Special issue: papers from the international conference on very large data bases: September 22–24, 1975, Framingham, MA
A relational model of data for large shared data banks

Communications of the ACM
Extending the data base relational model to capture more meaning

SIGMOD '79 Proceedings of the 1979 ACM SIGMOD international conference on Management of data

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Abstract

The implementation of GERM, a data base management system based on the Entity-Relationship model, is presented. GERM is an end-user system providing complete facilities for interactive data base management, including retrieval, browsing, update, definition and reporting. The system has a modular design with the functional components arranged hierarchically. This paper discusses two specific areas, utility components and data access components. The data access components are layered, each approaching data access at a different level of abstraction. An example retrieval request is used to demonstrate how the components interact.