Which three types of backups can be performed for a database running in NOARCHIVELOG mode?
A.consistent whole database backup
B.backup of noncritical tablespaces without shutting down the instanceC. backup of the database without shutting down the instance
D.backup of only those blocks that have changed since the last backup while database is mounted
E.backup of only the used blocks in a critical tablespace (SYSTEM or SYSAUX) while the database is open
AD
A.consistent whole database backup
B.backup of noncritical tablespaces without shutting down the instanceC. backup of the database without shutting down the instance
D.backup of only those blocks that have changed since the last backup while database is mounted
E.backup of only the used blocks in a critical tablespace (SYSTEM or SYSAUX) while the database is open
AD