What are the backup methods available in Oracle?
You can use logical backups to supplement physical backups. There are two ways to perform Oracle backup and recovery: Recovery Manager and user-managed backup and recovery. Recovery Manager (RMAN) is an Oracle utility that can back up, restore, and recover database files.
What does the backup database plus archivelog command do?
RMAN> BACKUP DATABASE PLUS ARCHIVELOG; Backs up files specified in the BACKUP command. Runs the ALTER SYSTEM ARCHIVE LOG CURRENT command. Backs up any remaining archived logs including those generated during the backup.
How to back up Oracle database in Linux?
On Linux with Gnome: In the Applications menu, point to Oracle Database 11g Express Edition, and then select Backup Database. On Linux with KDE: Click the icon for the K Menu, point to Oracle Database 11g Express Edition, and then select Backup Database. A console window opens so that you can interact with the backup script.
How many backups do I need for Oracle XE?
Oracle Database XE implements a backup retention policy that dictates that two complete backups of the database must be retained, to provide a level of redundant protection for the database. In ARCHIVELOG mode, all archived logs required for media recovery from either backup are also retained.
How to backup Oracle Database 11g Express Edition?
On Linux with KDE: Click the icon for the K Menu, point to Oracle Database 11g Express Edition, and then select Backup Database. A console window opens so that you can interact with the backup script. If running in ARCHIVELOG mode, the script displays the following output: Doing online backup of the database.
Can You offload a backup to a standby database?
You can offload all backups of database files, including control file backups, to a physical standby database and thereby avoid consuming resources on the primary database. Oracle Data Guard Concepts and Administration to learn how to back up a standby database with RMAN