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Incremental refresh of materialized views with joins and aggregates after arbitrary DML operations to multiple tables

  • US 6,882,993 B1
  • Filed: 01/28/2002
  • Issued: 04/19/2005
  • Est. Priority Date: 01/28/2002
  • Status: Active Grant
First Claim
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1. A method for refreshing a materialized view after a plurality of operations on a row of a base table of the materialized view, the method comprising the steps of:

  • determining an equivalent operation that has the same affect on the row that the plurality of operations have on the row; and

    refreshing the materialized view based on the equivalent operation.

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