Decision support in a distributed environment
AFIPS '84 Proceedings of the July 9-12, 1984, national computer conference and exposition
A distributed database design for a communications network control system
AFIPS '83 Proceedings of the May 16-19, 1983, national computer conference
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EMPACT™, TANDEM Computers' manufacturing information control system, is an application that uses a distributed database. The requirements of the system include supporting multiple sites, providing continuous availability to the data, and controlling updates to communal information. The approach taken to satisfy these needs involves the use of both partitioned and replicated data. Presented in this paper is a discussion of the application requirements, the design and architecture of the database, and the algorithms used for updates and inserts.