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MULTI-DATABASE QUERY SYSTEM AND METHOD

  • US 20110055231A1
  • Filed: 08/26/2010
  • Published: 03/03/2011
  • Est. Priority Date: 08/27/2009
  • Status: Active Grant
First Claim
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1. A system for retrieving data from a plurality of data sources, said system comprising:

  • a first data source for storing first data;

    a second data source for storing second data; and

    a server computing device in communication with the first data source and the second data source, the server computing device programmed to;

    receive a query execution request comprising a query definition reference and a query parameter definition, wherein the query definition reference corresponds to a query definition that includes a first query block and a second query block;

    create a first executable query based on the first query block and the query parameter definition;

    create a second executable query based on the second query block and the query parameter definition;

    execute the first executable query at the first data source to create first query results; and

    execute the second executable query at the second data source to create second query results.

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