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System and method for an asynchronous queue in a database management system

  • US 20060294058A1
  • Filed: 06/28/2005
  • Published: 12/28/2006
  • Est. Priority Date: 06/28/2005
  • Status: Abandoned Application
First Claim
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1. A method for performing asynchronous statistics updates in a database management system, the method comprising:

  • receiving a first query against a database;

    determining if present statistics related to the first query are stale;

    entering on a queue, a request to acquire updated statistics related to the first query if the present statistics related to the first query are stale;

    developing a first query plan using the present statistics related to the first query;

    executing the first query plan; and

    processing the request to acquire updated statistics related to the first query asynchronously with respect to the input query.

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