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RANGE PREDICATE CANONIZATION FOR TRANSLATING A QUERY

  • US 20120191697A1
  • Filed: 01/25/2011
  • Published: 07/26/2012
  • Est. Priority Date: 01/25/2011
  • Status: Active Grant
First Claim
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1. A query system comprising:

  • a database comprising a base table, the base table comprising a set of data;

    a materialized view associated with a portion of the set of data; and

    a materialized view query rewrite (MVQR) component to translate each of a range predicate of the materialized view and a range predicate of a query into a canonical range representation (CRR) format to generate a materialized view metadata and a query metadata, respectively, to enable the query to search the materialized view.

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