You are working on a database that must be functioning 24 hours a day, 7 days a week. The database isconfigured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups()

A . You can perform consistent backups only. B . You can perform a complete database backup without shutting down the database instance. C . You can back up data files only when all data files have the same SCN recorded in the control file. D . You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP command

时间:2022-10-23 01:46:22 所属题库:1Z0-052题库

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