On concurrency control by multiple versions

  • Authors:
  • Christos H. Papadimitriou;Paris C. Kanellakis

  • Affiliations:
  • Massachusetts Institute of Technology and National Technical University of Athens;Brown University

  • Venue:
  • PODS '82 Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems
  • Year:
  • 1982

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Abstract

We examine the problem of concurrency control when the database management system supports multiple versions of the data. We characterize the limit of the parallelism achievable by the multiversion approach and demonstrate the resulting space-parallelism tradeoff.