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Method and system for providing a learning optimizer for federated database systems

  • US 20060195416A1
  • Filed: 02/28/2005
  • Published: 08/31/2006
  • Est. Priority Date: 02/28/2005
  • Status: Active Grant
First Claim
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1. A method for accelerating execution of a query on a federated database system, the federated database system being associated with an external data source, the query utilizing the external data source and being performed based upon a query execution plan, the method comprising:

  • generating at least one optimizer query for the external data source utilized by the query, the at least one optimizer query being based on the query and for obtaining data related to the external data source;

    providing the at least one optimizer query to the external data source for execution using the external data source; and

    collecting at least one resultant from execution of the at least one optimizer query for use in generating a future query execution plan.

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