官方文档备份指南一 Introduction to Backup and Recovery

Closed database backups

Supported. Requires instance to be mounted.

Supported.

Not supported.

Open database backups

Supported. No need to use BEGIN/ENDBACKUP statements.

Supported. Must use BEGIN/END BACKUPstatements.

Requires rollback or undo segments to generate consistent backups.

Incremental backups

Supported.

Not supported.

Not supported.

Corrupt block detection

Supported. Identifies corrupt blocks and logs in V$DATABASE_BLOCK_CORRUPTION.

Not supported.

Supported. Identifies corrupt blocks in the export log.

Automatic specification of files to include in a backup(备份信息)

Supported. Establishes the name and locations of all files to be backed up (whole database, tablespaces, data files, control files, and so on).

Not supported. Files to be backed up must be located and copied manually.

Not applicable.

Backup repository

Supported. Backups are recorded in the control file, which is the main repository of RMAN metadata. Additionally, you can store this metadata in a recovery catalog, which is a schema in a different database.

Not supported. DBA must keep own records of backups.

Not supported.

Backups to a media manager

Supported. Interfaces with a media manager. RMAN also supports proxy copy, a feature that allows a media manager to manage completely the transfer of data between disk and backup media.

Supported. Backup to tape is manual or controlled by a media manager.(需要手动或备份管理器)

Not supported.

Backup of initialization parameter file

Supported.

Supported.

Not supported.

Backup of password and networking files

Not supported.

Supported.

Not supported.

Platform-independent language for backups(平台依赖的语言?)

Supported.

Not supported.

Supported.