Discard duplicate value
Discards the row at the originating site that causes errors.
You can also write your own custom conflict-resolution routines and assign them if
your business requirements are not addressed by the standard routines.
Managing Advanced Replication
Youcan manage replication through Oracle Enterprise Manager. Administrators can
configure database objects that need to be replicated, schedule replication, troubleshoot
error conditions, and view the deferred transaction queue at each location
through this central interface. A deferred transaction queue is a queue holding transactions
that will be replicated (and applied) to child sites.
For example, to set up a typical multimaster replication, you must first define master
groups and tables and objects to be replicated in each of the databases.
Youdefine a connection to the master definition site, and then create one or more
master groups for replicating tables and objects to the multiple master sites. Next,
you assign conflict-resolution routines for replicated tables in each master group.
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