Oracle RMAN Interview Question:

What is the advantage of RMAN utility?

Submitted by: Administrator

Advantage over tradition backup system:

1). copies only the filled blocks i.e. even if 1000 blocks is allocated to datafile but 500 are filled with data then RMAN will only create a backup for that 500 filled blocks.
2). incremental and accumulative backup.
3). catalog and no catalog option.
4). detection of corrupted blocks during backup;
5). can create and store the backup and recover scripts.
6). increase performance through automatic parallelization( allocating channels), less redo generation.
Submitted by: Administrator