The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2009
Filed:
Feb. 28, 2005
Stephan Eberhard Ewen, Stuttgart, DE;
Volker Gerhard Markl, San Jose, CA (US);
Michael Ortega-binderberger, San Jose, CA (US);
Stephan Eberhard Ewen, Stuttgart, DE;
Volker Gerhard Markl, San Jose, CA (US);
Michael Ortega-Binderberger, San Jose, CA (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method and system for accelerating execution of a query on a federated database system. The federated database system is associated with an external data source, which is used by the query. The query is performed based upon a query execution plan. The method and system include generating an optimizer query for the external data source utilized by the query. The optimizer query is based on the query and obtains data related to the external data source. The method and system further include providing the optimizer query to the external data source and collecting at least one resultant from the optimizer query for use in generating a future query execution plan.