Integrity aspects of quasi serializability

Ahmed K. Elmagarmid; Weimin Du

doi:10.1016/0020-0190(91)90210-9

Integrity aspects of quasi serializability

Ahmed K. Elmagarmid^*, Weimin Du

^*Corresponding author for this work

Department of Computer Science

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Quasi serializability is a correctness criterion for multidatabase consistency. An execution is quasi serializable if its local executions are serializable and it is equivalent to a quasi serial execution in which global transactions are executed sequentially. In this paper, we study the integrity aspects of quasi serializability. The main result is that, if each transaction is integrity preserving, quasi serializable executions preserve local integrity constraints and global constraints that involve data updatable by global transactions only.

Original language	English
Pages (from-to)	23-28
Number of pages	6
Journal	Information Processing Letters
Volume	38
Issue number	1
DOIs	https://doi.org/10.1016/0020-0190(91)90210-9
Publication status	Published - 12 Apr 1991
Externally published	Yes

Keywords

Databases
integrity
multidatabases
quasi serializability

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10.1016/0020-0190(91)90210-9

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AB - Quasi serializability is a correctness criterion for multidatabase consistency. An execution is quasi serializable if its local executions are serializable and it is equivalent to a quasi serial execution in which global transactions are executed sequentially. In this paper, we study the integrity aspects of quasi serializability. The main result is that, if each transaction is integrity preserving, quasi serializable executions preserve local integrity constraints and global constraints that involve data updatable by global transactions only.

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KW - quasi serializability

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Integrity aspects of quasi serializability

Abstract

Keywords

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