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EVALUATION OF DATABASE QUERY PLAN ROBUSTNESS LANDMARKS USING OPERATOR MAPS OR QUERY MAPS

  • US 20100198810A1
  • Filed: 02/02/2009
  • Published: 08/05/2010
  • Est. Priority Date: 02/02/2009
  • Status: Active Grant
First Claim
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1. A computer-implemented system comprising:

  • logic that creates a performance map evaluating performance of an implementation of a database engine operator or query plan during execution under actual conditions, the logic measuring and mapping performance for a selected range of runtime conditions comprising data characteristics.

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