Clone an Oracle database using RMAN duplicate (same server)
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This procedure will clone a database onto the same server using RMAN duplicate.
* 1. Backup the source database.
To use RMAN duplicate an RMAN backup of the source database is required. If there is already one available, skip to step 2. If not, here is a quick example of how to produce an RMAN backup. This example assumes that there is no recovery catalog available:
rman target sys@