Bases de Datos
ORA-01105: mount is incompatible with mounts by other instances
Cause: An attempt to mount the database discovered that another instance mounted a database by the same name, but the mount is not compatible. Additional errors are reported explaining why.
Action: See accompanying errors.
ORA-01108: file string is in backup or media recovery
Cause: Either media recovery is actively being applied to the file, or it is being backed up while the database is in NOARCHIVELOG mode. It cannot be used for normal database access or crash recovery.
Action: Complete or cancel the media recovery session or backup.
ORA-01109: database not open
Cause: A command was attempted that requires the database to be open.
Action: Open the database and try the command again.