Maintaining database consistency in presence of value dependencies in multidatabase systems
Authors: 
Claire Morpain, Michéle Cart, Jean Ferrié, and Jean-François PonsAuthors Info & Claims
Claire Morpain, Michéle Cart, Jean Ferrié, and Jean-François PonsAuthors Info & ClaimsAbstract
The emergence of new criteria specifically adapted to multidatabase systems, in response to constraints imposed by global serializability, leads to restrictive hypotheses in order to ensure correctness of executions. This is the case with the two level serializability presented in [6], that ensures strongly correct executions if transaction programs are Local Database Preserving (LDP). The main drawback of the LDP hypothesis is that it relies on rigorous programming. The principal objective of this paper has been to suppress this drawback while conserving the strong correctness of 2LSR executions We propose defining precisely the notion of value dependencies, and managing them so as not to impose the LDP property.
References
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Elmagarmid A.K., Du W.; Maintaining HDDBS Consistency: the Quasi Serializabitity Approach; Univ. of Purdue, Department of Computer Sciences, Technical Report, CSD- TR-10t7, 1990.
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Mehrotra S., Rastogi R., Korth H., Silberschatz A.; Non- Seriahzable Executions in Heterogeneous Distributed Database Systems; Proc. 1 st International Conference on Parallel and Distributed Systems (PDIS), Miami Beach, December 199 t, pp. 245-252.
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Mehrotra S., Rastogi R., Korth H., Silberschatz A.; Maintaining Database Consistency in Heterogeneous Dtstrtbuted Database Systems; Univ. of Texas, Austin, Department of Computer Sciences, Technical Report, TR-91- 04, 1991.
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Maintaining database consistency in presence of value dependencies in multidatabase systems
SIGMOD '96: Proceedings of the 1996 ACM SIGMOD international conference on Management of dataThe emergence of new criteria specifically adapted to multidatabase systems, in response to constraints imposed by global serializability, leads to restrictive hypotheses in order to ensure correctness of executions. This is the case with the two level ...
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Published In
June 1996
557 pages
ISSN:0163-5808
DOI:10.1145/235968
- Chairman:
- T. H. Merrett,
- Editors:
- H. V. Jagadish,
- Inderpal Singh Mumick
Copyright © 1996 ACM.
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Association for Computing Machinery
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Publication History
Published: 01 June 1996
Published in SIGMOD Volume 25, Issue 2
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