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Detecting and processing cache hits for queries with aggregates

  • US 20070208690A1
  • Filed: 06/27/2002
  • Published: 09/06/2007
  • Est. Priority Date: 06/27/2002
  • Status: Active Grant
First Claim
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1. A computer program product operative to support query caching, comprising a computer-usable medium having embodied therein computer-readable program codes for determining a list of candidate queries stored in a cache that potentially could be used to answer a new query;

  • and evaluating each of at least one candidate query in the list to determine whether or not there is a cache hit for the candidate query, the cache hit indicating that the candidate query could be used to answer the new query, wherein the evaluating is performed using a set of rules that allows for inexact matches of aggregates, if any, included in the new query.

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