There are occasions when you recieve a complete backup of a database from a place different then yours and have to do a restore. normally a restore is simple . put the files in a directory run rman catalog on them and you are done. but what if you have rman configuration parameters stored in the controlfile and you are trying to duplicate the database. During a duplicate rman will restore the controlfile and then use the parameters associated in the controlfile for the next steps.
I hit this issue...(read more)
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