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:
Jan. 10, 2012
Filed:
Jun. 08, 2009
Applicants:
Christine M. Robson, Sunnyvale, CA (US);
Yuji Watanabe, Yokohama, JP;
Inventors:
Christine M. Robson, Sunnyvale, CA (US);
Yuji Watanabe, Yokohama, JP;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Updating an indexing tables in a database system comprising a database storing item tables of items appended by timestamps. Each of items is further categorized by timestamp into said tables, and said item tables being indexed by indexing data. The database system further comprises an indexing table for said indexing data, listing the earliest timestamp of said item table together with said indexing data and a system manager for searching said item tables using said indexing table and a maintenance module for said indexing table.