Patents Examined by Belix Ortiz
  • System and method for verification of a quiesced database copy
    Patent number: 7200626
    Abstract: A method is provided to verify a database copy of a primary database which has been replicated. A secondary physically consistent copy of the primary database is put in a state of quiesce while the primary database is allowed to resume update activity. The consistent copy, in a state of quiesce, can be used for database maintenance activities or as a recovery source should the primary database be damaged, but the consistent copy is first checked for integrity by using a Verify option before such recovery source is utilized.
    Type: Grant
    Filed: January 22, 2004
    Date of Patent: April 3, 2007
    Assignee: Unisys Corporation
    Inventors: Courtney Chi Hoang, Patricia Jean Keller, Alma Navarro de Jesus, Donald Ralph Hart
  • Upward and downward compatible data processing system
    Patent number: 7076491
    Abstract: A version-compatible data processing system including an application program for user interaction with stored data, the application program including means for generating, storing, and retrieving data files that each have an array of the data objects, the means for retrieving including means for determining recognition of the object type of each object, and means for retrieving each unrecognized object without processing.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: July 11, 2006
    Assignee: Wuxi Evermore
    Inventor: Sheng A. Tsao