Logical transactions and serializability:

Abstract: "The concept of logic databases can serve as a clear and expressive foundation of various kinds of information systems. However, classical logic languages refer to a single database state, whereas in modern information systems it is necessary to take dynamic behaviour into account. Fo...

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Bibliographic Details
Main Authors: Wichert, Carl-Alexander (Author), Freitag, Burkhard 1953- (Author), Fent, Alfred (Author)
Format: Book
Language:English
Published: Passau 1998
Series:Universität <Passau> / Fakultät für Mathematik und Informatik: MIP 1998,07
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Summary:Abstract: "The concept of logic databases can serve as a clear and expressive foundation of various kinds of information systems. However, classical logic languages refer to a single database state, whereas in modern information systems it is necessary to take dynamic behaviour into account. For this purpose, several update languages have been proposed, among them [AHV95, BK94, BK96, Che97, LHL95, MW88, MBM97, WF97a], which allow to specify complex transitions from one database state to another. From the evaluation point of view, a complex state transition can and should be considered as a transaction. Up to now, the isolation property of transactions has been poorly addressed in the context of logic update languages, although it is an important problem even for classical, sequential transactions (see [BHG87] for instance). In this paper we present the ULTRA approach and describe how isolation of independent transactions can be supported. We illustrate the results using an extended example."
Physical Description:47, 5 S.

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