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. 16, 2012
Filed:
Jun. 16, 2010
Mingsheng Hong, North Billerica, MA (US);
Priya Arun, Nashua, NH (US);
Chang-jian Sun, Nashua, NH (US);
Shilpa Lawande, Littleton, MA (US);
Mingsheng Hong, North Billerica, MA (US);
Priya Arun, Nashua, NH (US);
Chang-Jian Sun, Nashua, NH (US);
Shilpa Lawande, Littleton, MA (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for a database designer and a database storage designer. In one aspect, a method includes creating a set of candidate projections and progressively narrowing the set of candidate projections and a set of queries by eliminating candidate projections that do not satisfy a performance improvement criterion for remaining queries based on the properties associated with the candidate projections.