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. 18, 2016
Filed:
Mar. 12, 2014
Applicants:
Kaushal Mittal, Dublin, CA (US);
Mahendra Chavan, Pune, IN (US);
Inventors:
Kaushal Mittal, Dublin, CA (US);
Mahendra Chavan, Pune, IN (US);
Assignee:
Sybase, Inc., Dublin, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
G06F 17/30469 (2013.01); G06F 17/30324 (2013.01); G06F 17/30463 (2013.01); G06F 17/30483 (2013.01);
Abstract
Disclosed herein are system, method, and computer program product embodiments for accelerating database queries containing bitmap-based conditions. An embodiment operates by determining a bitmap, where the bitmap represents a set of rows that have satisfied a conjunct that precedes a negated condition in a query expression and restricting the evaluation of the negated condition to the set of rows represented by the bitmap.