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. 07, 2020
Filed:
Mar. 03, 2016
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Yoshifumi Ujibashi, Kawasaki, JP;
Motoyuki Kawaba, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A database system includes a storage device which stores a database storing a plurality of data groups, range information including a minimum and a maximum of an appointed item, a total value and a number of the data, and an information processing device comprises a processor configured to, in response to deletion of a first data, update the total value and the number of the data, calculate a difference between a first total value, based on the number of the data and at least one of the maximum and the minimum in the range information, and a second total value which is updated, as minimum or maximum, judge at least one of whether or not the minimum which is calculated exceeds the minimum in the range information and whether or not the maximum which is calculated is less than the maximum in the range information, and update the range information.