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System for facilitating home construction and sales

DC
  • US 6,539,401 B1
  • Filed: 03/31/1999
  • Issued: 03/25/2003
  • Est. Priority Date: 02/13/1995
  • Status: Expired due to Term
First Claim
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1. A method for synchronizing information among a plurality of databases, each of the databases having a replica of data stored in at least one of the other databases, the method comprising:

  • receiving information altering at least a portion of the data stored in one of the databases;

    determining which portion of the data has been altered from a previous state;

    transferring only the altered portion of the data from one of the databases to any of the other databases that have a replica of the unaltered data stored therein at a predetermined time; and

    modifying the other databases based on the altered portion of the data.

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