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Automated propagation of non-conflicting queries in distributed databases

  • US 8,145,652 B2
  • Filed: 10/09/2008
  • Issued: 03/27/2012
  • Est. Priority Date: 10/09/2008
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • receiving, via a processor, a logical table definition in association with a database query within a distributed database system;

    determining whether the received logical table definition matches a local logical table definition, where determining whether the received logical table definition matches the local logical table definition comprises;

    comparing at least one of a column name and a column data type of the received logical table definition with at least one of a column name and a column data type of the local logical table definition; and

    identifying a match for the at least one of the column name and the column data type of the received logical table definition at a position within the local logical table definition different from a position of the at least one of the column name and the column data type within the received logical table definition;

    processing the query in response to determining that the received logical table definition matches the local logical table definition; and

    forwarding the query to at least one other distributed database node.

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