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Title:
分散型データベースシステムを用いるネットワーク内でデータベースアクセス制御を提供する方法及びアーキテクチャ
Document Type and Number:
Japanese Patent JP6563111
Kind Code:
B2
Abstract:
A method for a distributed database system includes: maintaining, at a first node, a first plurality of records of transactions, each associated with a transaction and including a start time of the transaction and a start time of an oldest transaction that was active at the start time of the transaction; maintaining, at a second node, a second plurality of records of transactions, including records of completed transactions associated with the second node, each including a transaction start time and a transaction end time; receiving at the second node, a message from the first node including a start time of an oldest transaction that was active at the transaction start time of the oldest currently active transaction in the system; and removing, from the second plurality of records, any records of completed transactions with a transaction end time occurring before the start time of the oldest transaction.

Inventors:
Daurus brian phil
Revillax Stefan A.
Application Number:
JP2018500658A
Publication Date:
August 21, 2019
Filing Date:
July 05, 2016
Export Citation:
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Assignee:
Avinisio Technology LLC
International Classes:
G06F16/182; G06F16/176; G06F16/23
Domestic Patent References:
JP4232545A
JP8235047A
Foreign References:
US20040078379
WO2014186396A1
Other References:
広津 登志夫,トランザクション管理オブジェクトによる一貫性保証方式,情報処理学会論文誌,社団法人情報処理学会,1995年11月15日,第36巻 第11号,p.2702-2710
小林 真也,要求順サービス可能な時刻印方式について,電子情報通信学会論文誌,社団法人電子情報通信学会,1991年 3月25日,第J74-D-I巻 第3号,p.232-239
Attorney, Agent or Firm:
Masaki Hirota
Seiji Ozawa
Yusaku Tokai
Kazuhiro Matsuda
Makoto Horiuchi
Masako Yamauchi
Shuichi Sonomoto
Akihiro Yamamura
Satoshi Morikawa
Hiroyuki Tomita