Method and system for data processing with database update...

Details Method and system for data processing with database update... Method and system for data processing with database update...

2008-06-13

2011-11-01

Ehichioya, Fred I (Department: 2156)

Data processing: database and file management or data structures

Data integrity

Policy, rule-based management of records, files, and documents

Reexamination Certificate

active

08051054

ABSTRACT:
In a system cooperating a high performance computer and a low performance computer, a load of database processing upon the low performance computer is reduced. In a high performance center running DBMS for managing each version by using logical structure data of a database as physical structure pages and one or more terminals having a lower performance than that of the center, an update difference file is created for a center side received command input to the center, a backup file is created for a terminal side received command input to the terminal, and a version applied with the terminal side received command is updated to a version after update, by sequentially overwrite copying the backup file and update difference file.

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H. Höpfner et al., “Mobile Datenbanken and Informationsysteme”, 2005, Dpunkt, Verlag GMBH, Germany, XP002500566, pp. 218-224 and 236-239 (English translation).
H. Höpfner et al., “Mobile Datenbanken and Informationsysteme”, 2005, Dpunkt, Verlag GMBH, Germany, XP002500566, pp. 218-224 and 236-239.
Kaloian Manassiev et al., “Scaling and Continuous Availability in Database Server Clusters through Multiversion Replication”, Dependable Systems and Networks, 2007, DSN '07. 37thAnnual IEEE/IFIP International Conference on, IEEE, PI, Jun. 1, 2007, pp. 666-676, XP 031116470.

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