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Analysis method and apparatus for a parallel system

  • US 20040205062A1
  • Filed: 04/29/2004
  • Published: 10/14/2004
  • Est. Priority Date: 06/30/2000
  • Status: Active Grant
First Claim
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1. A method of using a test system to plan the execution of a query in a target system, comprising:

  • receiving environment information that indicates how the target system is configured;

    storing cost data that indicates, for each of multiple query-execution options, the cost in computing resources associated with choosing that option in the target system; and

    using the environment information and the cost data in determining a query plan for the target system.

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