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:
May. 29, 2012
Filed:
Oct. 30, 2008
Applicants:
Awny K Al-omari, Cedar Park, TX (US);
Ramakumar Kosuru, Austin, TX (US);
Renu Varshneya, Cupertino, CA (US);
Robert L. Wall, Austin, TX (US);
Inventors:
Awny K Al-Omari, Cedar Park, TX (US);
Ramakumar Kosuru, Austin, TX (US);
Renu Varshneya, Cupertino, CA (US);
Robert L. Wall, Austin, TX (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
One embodiment is a method that determines skew to predict costs for query plans for a database query. The method selects a query plan that accounts for the skew to evenly distribute processing load among multiple processors and then executes the query with the selected query plan.