放宽多数据库系统中的序列化性

[1992 Proceedings] Second International Workshop on Research Issues on Data Engineering: Transaction and Query Processing Pub Date : 1992-02-02 DOI:10.1109/RIDE.1992.227404

S. Mehrotra, R. Rastogi, H. F. Korth, A. Silberschatz

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引用次数: 24

摘要

可序列化性的概念传统上被认为是数据库系统中正确性的标准概念。然而，在多数据库系统(mdb)中，确保可序列化性是一项困难的任务，主要原因是希望保留参与的本地数据库系统的自主性。作者介绍了一种新的正确性概念，rs -正确性，它基于保留数据库的完整性约束。他们提出了一种新的协议，用于确保mdb环境中的调度是rs正确的。该协议保留了站点的本地自治。

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Relaxing serializability in multidatabase systems

The concept of serializability has been traditionally accepted as the standard notion of correctness in database systems. However, in a multidatabase system (MDBS), ensuring serializability is a difficult task mainly due to the desire of preserving the autonomy of the participating local database systems. The authors introduce a new notion of correctness, RS-correctness, that is based on preserving the integrity constraints of the database. They present a new protocol for ensuring that schedules in an MDBS environment are RS-correct. The protocol preserves the local autonomy of sites.<>

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[1992 Proceedings] Second International Workshop on Research Issues on Data Engineering: Transaction and Query Processing

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