Differential INCREMENTAL and CUMULATIVE INCREMENTAL backup Command

Below command to take Rman different type of backup.

Differential INCREMENTAL level 0 BackuP

run
{
allocate channel d1 device type disk format '/shared/sync/8aug_backup/%U.bkp';
allocate channel d2 device type disk format '/shared/sync/8aug_backup/%U.bkp';
allocate channel d3 device type disk format '/shared/sync/8aug_backup/%U.bkp';
allocate channel d4 device type disk format '/shared/sync/8aug_backup/%U.bkp';
BACKUP INCREMENTAL LEVEL 0 DATABASE;
release channel d1;
release channel d2;
release channel d3;
release channel d4;
}


Differential INCREMENTAL level 1 Backup

run
{
allocate channel d1 device type disk format '/shared/sync/8aug_backup/%U.bkp';
allocate channel d2 device type disk format '/shared/sync/8aug_backup/%U.bkp';
allocate channel d3 device type disk format '/shared/sync/8aug_backup/%U.bkp';
allocate channel d4 device type disk format '/shared/sync/8aug_backup/%U.bkp';
BACKUP INCREMENTAL LEVEL 1 DATABASE;
release channel d1;
release channel d2;
release channel d3;
release channel d4;
}

---CUMULATIVE LEVEL O BACKUP

run
{
allocate channel d1 device type disk format '/shared/sync/8aug_backup/%U.bkp';
allocate channel d2 device type disk format '/shared/sync/8aug_backup/%U.bkp';
allocate channel d3 device type disk format '/shared/sync/8aug_backup/%U.bkp';
allocate channel d4 device type disk format '/shared/sync/8aug_backup/%U.bkp';
INCREMENTAL LEVEL 0 CUMULATIVE DATABASE;
release channel d1;
release channel d2;
release channel d3;
release channel d4;
}

CUMULATIVE LEVEL 1 BACKUP
run
{
allocate channel d1 device type disk format '/shared/sync/8aug_backup/%U.bkp';
allocate channel d2 device type disk format '/shared/sync/8aug_backup/%U.bkp';
allocate channel d3 device type disk format '/shared/sync/8aug_backup/%U.bkp';
allocate channel d4 device type disk format '/shared/sync/8aug_backup/%U.bkp';
INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;
release channel d1;
release channel d2;
release channel d3;
release channel d4;
}