Patents by Inventor Håkan Jakobsson

Håkan Jakobsson 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).

  • Initial ordering of tables for database queries
    Patent number: 6377943
    Abstract: Multiple initial orderings of tables are used a multiple starting point in a cost-base, cut-off search for a good ordering of tables in processing a database query that specifies multiple join operations. Multiple heuristics may be used to generate the multiple initial orderings of the tables. The database query is executed with the good ordering of tables.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: April 23, 2002
    Assignee: Oracle Corp.
    Inventor: Håkan Jakobsson