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CARDINALITY ESTIMATION IN DATABASE SYSTEMS USING SAMPLE VIEWS

  • US 20080306903A1
  • Filed: 06/08/2007
  • Published: 12/11/2008
  • Est. Priority Date: 06/08/2007
  • Status: Abandoned Application
First Claim
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1. A system for estimating the results of a data analysis operation, comprising:

  • an sample view component that creates one or more sample views representing data on which the data analysis operation is intended to be performed, the one or more sample views contains a random sample of the data; and

    an estimation component that performs an approximation of the data analysis operation on the one or more sample views to produce an estimated result of performing the data analysis operation on the data.

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