Supporting updates in heterogeneous distributed database systems
- Resource Type
- Conference
- Authors
- Elmagarmid, A.K.; Helal, A.A.
- Source
- Proceedings. Fourth International Conference on Data Engineering Data Engineering, 1988. Proceedings. Fourth International Conference on. :564-569 1988
- Subject
- Computing and Processing
Communication, Networking and Broadcast Technologies
Database systems
Transaction databases
Concurrency control
Distributed databases
LAN interconnection
Data models
System recovery
Data engineering
Management information systems
Information retrieval
- Language
The performance is studied of atomic updates across different database management systems (DBMSs). An optimistic concurrency-control algorithm is proposed that allows a subclass of global transactions to concurrently retrieve and update the multiple databases, while it places no restriction on the concurrency-control mechanisms used by each of the local DBMSs, thus maintaining local autonomy.ETX