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:
Sep. 08, 2015
Filed:
May. 07, 2012
Applicants:
Xu-dong Qian, Shanghai, CN;
Zhiping Xiong, Shanghai, CN;
Inventors:
Xu-dong Qian, Shanghai, CN;
ZhiPing Xiong, Shanghai, CN;
Assignee:
Sybase, Inc., Dublin, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/00 (2006.01); G06F 17/00 (2006.01); G06F 17/30 (2006.01); H03M 7/30 (2006.01); H03M 7/46 (2006.01);
U.S. Cl.
CPC ...
G06F 17/30595 (2013.01); G06F 17/30153 (2013.01); H03M 7/30 (2013.01); H03M 7/46 (2013.01);
Abstract
A system, method, and computer program product for character data compression for reducing data storage requirements in a database system are described. Embodiments include identifying data of a particular character type in a full data page, and identifying usage frequency of each character of the particular character type. Each character is encoded based on the identified usage frequency and stored, with storage requirements for most frequently used characters are reduced.