Steps for media recovery:

Steps for media recovery:

Restore and recover the whole database

 RMAN> STARTUP FORCE MOUNT;
 RMAN> RESTORE DATABASE;
 RMAN> RECOVER DATABASE;
 RMAN> ALTER DATABASE OPEN;
 
Restore and recover a tablespace

 RMAN> SQL 'ALTER TABLESPACE AXPERT OFFLINE';
 RMAN> RESTORE TABLESPACE AXPERT;
 RMAN> RECOVER TABLESPACE AXPERT;
 RMAN> SQL 'ALTER TABLESPACE AXPERT ONLINE';

Restore and recover a datafile

 RMAN> SQL 'ALTER DATABASE DATAFILE 8 OFFLINE';
 RMAN> RESTORE DATAFILE 8;
 RMAN> RECOVER DATAFILE 8;
 RMAN> SQL 'ALTER DATABASE DATAFILE 8 ONLINE';

Steps to be Performed for tablespace recovery:

1. Mount the database

2. Make the data file offline

3. Restore the data file

4. Recover the data file

5. Make the data file online

6. Open the database

Thanks...