试题详情
单项选择题 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 MTTR Advisor is disabled.

B、The database is in NOARCHIVELOG mode.

C、The tablespace is already in backup mode.

D、The Flash Recovery Area is not configured

  • B
  • 关注下方微信公众号,在线模考后查看

热门试题