System and method for database synchronization

  • US 5,758,150 A
  • Filed: 10/06/1995
  • Issued: 05/26/1998
  • Est. Priority Date: 10/06/1995
  • Status: Expired due to Term
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First Claim
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1. A database synchronization system, comprising:

  • a central computer storing a central database;

    at least one remote computer remote from the central computer and having at least one associated database;

    a communications link coupling the central computer to the remote computer; and

    a data extract and transfer application stored on the remote computer, including a plurality of audit trail files for storing changes to the associated database, a migrator application capable of processing the audit trail files to extract the changes thereto and convert the changes into a first database of change, a table move module capable of executing a database command to rename the first database of change to allow the migrator application to create a second database of change, a flat file module capable of converting the first database of change into flat files suitable for transfer to the central database, and a file transfer module capable of transferring the flat files to the central computer over the communications link.

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