Unified protocols of concurrency control and recovery in distributed object-based databases

Sang-Geun Lee, C. S. Hwang

Research output: Contribution to journalArticle

Abstract

This paper provides unified protocols of concurrency control and recovery in distributed object-based databases by using two unified conflict notions: Preservation and weak preservation. The two conflict relations provide the solutions to (i) the low-level heterogeneity of different recovery mechanisms and/or object models, and (ii) the correct schedules from both concurrency control and recovery points of view. In particular, preservation can be used for accepting serializable and strict (SR-ST) and/or serializable and avoiding cascading aborts (SR-ACA) schedules, whereas weak preservation can be used for accepting serializable and recoverable (SR-RC) schedules. It is also shown that the unified protocols are general enough for object-based databases in addition to the classical read/write databases.

Original languageEnglish
Pages (from-to)201-213
Number of pages13
JournalComputer Journal
Volume44
Issue number3
DOIs
Publication statusPublished - 2001 Dec 1

ASJC Scopus subject areas

  • Hardware and Architecture
  • Information Systems
  • Computer Graphics and Computer-Aided Design
  • Software

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