Patents by Inventor William Joseph McKenna

William Joseph McKenna 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).

  • Pushing joins across a union
    Patent number: 10642834
    Abstract: Selecting a join plan for a query containing a join and a union block includes determining whether to propose a join plan with the join pushed across the union block. A selection is made between a join plan in which the join is not pushed across the union block and any proposed join plan in which the join is pushed across the union block.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: May 5, 2020
    Assignee: Teradata US, Inc.
    Inventors: Ahmad Said Ghazal, William Joseph McKenna
  • PUSHING JOINS ACROSS A UNION
    Publication number: 20090313211
    Abstract: Selecting a join plan for a query containing a join and a union block includes determining whether to propose a join plan with the join pushed across the union block. A selection is made between a join plan in which the join is not pushed across the union block and any proposed join plan in which the join is pushed across the union block.
    Type: Application
    Filed: June 17, 2008
    Publication date: December 17, 2009
    Inventors: Ahmad Said Ghazal, William Joseph McKenna