Creating a Physical Standby using RMAN DUPLICATE FROM ACTIVE DATABASE
Prior to Oracle Database 11g duplication was performed from an existing RMAN backup. Oracle Database 11g introduces Active database duplication which copies the live source database over the network without the need of an existing backup. As was the case in the backup based duplication, active duplication can be used to create a standby database.
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Clone a Database to Another Host using Enterprise Manager 11gR1 Grid Control
This document will detail the steps to clone a database to another host using Oracle Enterprise Manager 11gR1 Grid Control.