Readable physical storage replica and standby database system

Details Readable physical storage replica and standby database system Readable physical storage replica and standby database system

2007-01-29

2010-06-08

Corrielus, Jean M (Department: 2162)

Data processing: database and file management or data structures

File or database maintenance

C707S610000, C707S611000, C707S615000, C707S635000

Reexamination Certificate

active

07734580

ABSTRACT:
A standby database system or another replica data system replicates changes, made to data blocks at a source database system or another primary data copy, to replicas of the data blocks at the standby database system or other replica. While replicating the changes to the data blocks thereof, the standby database system (or other replica) receives queries (or reads) issued thereto and computes the queries based on data read from the data blocks thereof.

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