Title:
情報制御方法、プログラムおよび情報制御システム
Document Type and Number:
Japanese Patent JP5602474
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To manage data in a unified manner while maintaining the advantages of a distributed database, and to facilitate management of a distributed database.SOLUTION: Copies of data stored in databases 4 and the periods of read access or write access to the copies of the data are stored in a common database 2. A common database server 1 either collects the copies of the data from the databases 4, based on the periods or reflects the updates of the data in the common database 2 on the databases 4.
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Inventors:
Takashi Yoshizawa
Hideki Sotooka
Kunihiro Suzuki
Hideki Sotooka
Kunihiro Suzuki
Application Number:
JP2010080576A
Publication Date:
October 08, 2014
Filing Date:
March 31, 2010
Export Citation:
Assignee:
Hitachi, Ltd.
International Classes:
G06F12/00
Attorney, Agent or Firm:
Michizo Isono
Etsuo Tada
Etsuo Tada