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Database partial replica generation system

  • US 5,758,337 A
  • Filed: 08/08/1996
  • Issued: 05/26/1998
  • Est. Priority Date: 08/08/1996
  • Status: Expired due to Term
First Claim
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1. A method of populating a partial replica database from an original database having multiple original record sources each of said original record sources having records wherein certain predetermined relationships apply to said original record sources said predetermined relationships linking a foreign key of a first of said original record sources to a primary key of a second of said original record sources, comprising the steps of:

  • retrieving a filter associated with said replica database from a memory wherein said filter specifies certain conditions to be applied to said original database for the selection of records for the population of said replica database;

    selecting records from said original database wherein said selected records satisfy said conditions specified by said filter;

    populating said replica database with said selected records to create a populated replica database, wherein said predetermined relationships of said original database are enforced in said populated replica database.

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