GoldenGate Multimaster Replication
One of GoldenGate’s most powerful features may well be its ability to do bidirectional (or active-active) replication. Bidirectional replication allows you to have two or more databases, make changes in each of those databases, and then replicate those changes to the other databases. With bidirectional replication, each database essentially becomes both a source and a target database. Bidirectional replication is a powerful way of maximizing availability, balancing database load, and building a heterogeneous database infrastructure. You can also use multimaster replication to provide a method of zero-downtime ...

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