Patents by Inventor Rajan Sahu

Rajan Sahu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Reducing database reorganization time
    Patent number: 7269595
    Abstract: The invention provides a system and method for reducing the amount of downtime during a database reorganization. The invention provides a method whereby data values are unloaded from a table in a database, stored in a substantially original format in another location within the database whilst the database is modified, and reloaded into the modified table.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: September 11, 2007
    Assignee: Unisys Corporation
    Inventors: Charles Zdzislaw Loboz, Jonatan Kelu, Rajan Sahu
  • Reducing database reorganization time by column manipulation
    Patent number: 7058646
    Abstract: The invention provides a system and method for modifying a database. The method, in one aspect, comprises the steps of unloading data values from a column in a table, creating a new column, and loading the unloaded data values to the new column, wherein the number of columns from which data is unloaded is less than but not equal to the number of columns that comprise the table.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: June 6, 2006
    Assignee: Unisys Corporation
    Inventors: Charles Zdzislaw Loboz, Jonatan Kelu, Rajan Sahu