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Datebase Management in a Multi-Access Environment

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1 Author(s)
Collmeyer, Arthur J. ; Xerox Data Systems, El Segundo, California

It has been the intent of this paper to define a Database Management System as a network of logical subsystems, to include a specification of the gross function of each subsystem. Figures 1 and 2 describe the network and illustrate the relationships between the subsystems. An attempt has been made to define a hierarchy of solutions to the problem of file sharing - a problem which must be solved if performance is to be maintained in the face of a movement toward multi-access systems operating on large integrated databases. These solutions are developed in sufficient detail so as to make them clearly distinguishable. The ingredients of a ``secure'' Database Management System were discussed. The security problem, like the sharing problem, becomes critical as databases are made available to more and more users.

Published in:

Computer  (Volume:4 ,  Issue: 6 )