What are the common RMAN errors (with solutions)? (for DBA) Some of the common RMAN errors are: RMAN-20242: Specification does not matc...

What are the common RMAN errors (with solutions)? (for DBA) Some of the common RMAN errors are: RMAN-20242: Specification does not matc...
How does one stop and start the OMS? (for DBA) Use the following command sequence to stop and start the OMS (Oracle Management Server):...