User-Managed Backup and Recovery

All DBAs should know how to back up a database. Even more critical, a DBA must be able to restore and recover a database. When media failures occur, everybody looks to the DBA to get the database up and running. There are two common, yet very different, Oracle approaches for backup and recovery:

  • User-managed approach
  • RMAN approach

User-managed backups are aptly named because you manually perform all steps associated with the backup or recovery, or both. There are two types of user-managed backups: cold backups and hot backups. Cold backups are sometimes called offline backups because the database ...

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