Incremental Level 1 backup with out Level 0 backup
level 1 incremental backup can be either of the following types:
Differential backup:
Its backs up all blocks changed after the most recent incremental backup at level 1 or 0
Cumulative backup :
Its backs up all blocks changed after the most recent incremental backup at level 0
RMAN> list backup;
specification does not match any backup in the repository
RMAN>
RMAN>
RMAN> backup incremental level 1 database;
Starting backup at 30-APR-19
using channel ORA_DISK_1
no parent backup or copy of datafile 1 found
no parent backup or copy of datafile 3 found
no parent backup or copy of datafile 4 found
no parent backup or copy of datafile 7 found
channel ORA_DISK_1: starting incremental level 0 datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00001 name=/u01/app/oracle/oradata/IND/system01.dbf
input datafile file number=00003 name=/u01/app/oracle/oradata/IND/sysaux01.dbf
input datafile file number=00004 name=/u01/app/oracle/oradata/IND/undotbs01.dbf
input datafile file number=00007 name=/u01/app/oracle/oradata/IND/users01.dbf
channel ORA_DISK_1: starting piece 1 at 30-APR-19
channel ORA_DISK_1: finished piece 1 at 30-APR-19
piece handle=/u01/app/oracle/product/18.0.0/db/dbs/IND/backupset/2019_04_30/o1_mf_nnnd0_TAG20190430T171432_gdjf91z7_.bkp tag=TAG20190430T171432 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:03:27
channel ORA_DISK_1: starting incremental level 1 datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
including current control file in backup set
including current SPFILE in backup set
channel ORA_DISK_1: starting piece 1 at 30-APR-19
channel ORA_DISK_1: finished piece 1 at 30-APR-19
piece handle=/u01/app/oracle/product/18.0.0/db/dbs/IND/backupset/2019_04_30/o1_mf_ncsn1_TAG20190430T171432_gdjfhrcq_.bkp tag=TAG20190430T171432 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 30-APR-19
RMAN>
RMAN>
RMAN>
RMAN> list backup summary;
List of Backups
===============
Key TY LV S Device Type Completion Time #Pieces #Copies Compressed Tag
------- -- -- - ----------- --------------- ------- ------- ---------- ---
9 B 0 A DISK 30-APR-19 1 1 NO TAG20190430T171432
10 B 1 A DISK 30-APR-19 1 1 NO TAG20190430T171432
RMAN>