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:
Jul. 07, 2009
Filed:
Dec. 21, 2005
Christine Margaret Robson, Sunnyvale, CA (US);
Yuji Watanabe, Yokohama, JP;
Christine Margaret Robson, Sunnyvale, CA (US);
Yuji Watanabe, Yokohama, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A database system, a computer executable method, a computer executable program for the database system, and a method for updating an indexing tables in a database system are provided. The database system comprises a database storing item tables of items appended by timestamps. Each of the items is further categorized by timestamp into the tables, and the item tables are indexed by indexing data. The database system further comprises an indexing table for the indexing data, listing the earliest timestamp of the item table together with the indexing data and a system manager for searching the item tables using the indexing table and a maintenance module for the indexing table.