Method and system for data processing with data replication...

Details Method and system for data processing with data replication... Method and system for data processing with data replication...

2009-07-28

2011-10-18

Lovel, Kimberly (Department: 2167)

Data processing: database and file management or data structures

File or database maintenance

Synchronization

C707S618000, C707S624000

Reexamination Certificate

active

08041674

ABSTRACT:
To guarantee the contents of an update by a transaction in a parallel database management system, the database management system includes a replica database management unit that manages the replica database, records synchronous information at a timing at which one of the transaction generated is valid in every database management unit and other transactions are invalid in every database management unit, extracts update information and the synchronous information for creating the replica database from the update logs, and causes the replica database management unit to import the update information of each transaction that has become valid before the synchronous information was recorded.

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patent: 2003/0167287 (2003-09-01), Forster
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patent: 2004-094710 (2004-03-01), None
Office Action in JP Appln. No. 2004-273675, mailed Mar. 16, 2010 (in Japanese) [3 pages].
U.S. Appl. No. 09/739,790, filed Dec. 20, 2000, M. Hosoya et al.

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