You executed the following command to perform a backup of the USERS tablespace: SQL>
ALTER TABLESPACE users BEGIN BACKUP; ALTER TABLESPACE users BEGIN
BACKUP * ERROR at line 1: ORA-01123: cannot start online backup; media recovery not
enabled What could be the reason for this error?
A.
The database is in NOARCHIVELOG mode.
B.
Thetablespace is already in backup mode.
C.
The MTTR Advisor is disabled.
D.
The Flash Recovery Area is not configured.
By default, auditing will generate one audit record for every session that violates
an audit condition, irrespective of the number of times it violates the condition.
This is equivalent to appending BY SESSION to the AUDIT command. Appending
the keywords BY ACCESS to the AUDIT command will generate one record for
every violation.
The answer is:
A.
The database is in NOARCHIVELOG mode.