A Decomposition Storage Model.pdf

DSM-columns.pdf
Preview of A Decomposition Storage Model
🔗 Source: inf.ufpr.br
📊 Size: 1.15 MB
📄 Pages: 12 pages
⬇️ Downloads: 72

Summary

The decomposition storage model (DSM) pairs each attribute value with the surrogate of its conceptual schema record in a binary relation, storing all values of the same attribute together. The report compares the two storage models based on criteria such as simplicity, generality, storage requirements, update performance, and retrieval performance. The DSM is shown to handle multivalued attributes with higher data independence and without additional complexity, and to support entities by preserving an object's individual identity independently of its value.

Description

The decomposition storage model (DSM) pairs each attribute value with the surrogate of its conceptual schema record in a binary relation, storing all values of...

Technical Information

  • File Format: PDF
  • File Size: 1.15 MB
  • Pages: 12
  • Language: EN
  • Total Downloads: 72
  • Last Updated: 1 month ago

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