Patents by Inventor Robert Charles Plotkin

Robert Charles Plotkin 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).

  • Method and system for remapping an existing database to a new database system
    Patent number: 5787433
    Abstract: When migrating legacy database systems to a new database system the relationships between tables need to be preserved. Also, base tables and their children have to maintain their relationship. A database system which creates a system generated unique key is stored with the data which is loaded. To enable load, search, and retrieval to be efficient a data remapping function is defined which uses the system generated key to maintain the relationships which were maintained by a unique key in the legacy systems.
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: July 28, 1998
    Assignee: International Business Machines Corporation
    Inventors: Robert Charles Plotkin, Michael Stephen Schwartz