Some properties of Cartesian product files

  • Authors:
  • C. C. Chang;R. C. T. Lee;H. C. Du

  • Affiliations:
  • National Chung Hsin University, Taichung, Taiwan;National Tsing Hua University, Hsinchu, Taiwan;University of Washington, Seattle, Washington

  • Venue:
  • SIGMOD '80 Proceedings of the 1980 ACM SIGMOD international conference on Management of data
  • Year:
  • 1980

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Abstract

In this paper, we first introduced the concept of Cartesian product files. We then derived a formula for random files. A computer simulation experiment was performed to compare these two files. So far as shown by the experimental results, the Cartesian product file concept was indeed a good one. We also showed that the problem of designing an optimal Cartesian product file was partially related to the problem of finding a minimal N-tuple. A method to find minimal N-tuples was presented and its properties were discussed.