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1·RMAN> list backup of database;

列出所有数据文件的备份集；

2·By default, RMAN creates backups on disk.

默认情况下，RMAN在磁盘上创建备份。

3·Start RMAN and connect to a target database.

启动RMAN并且连接到目标数据库。

4·Start RMAN and connect to the target database.

启动RMAN并连接到目标数据库。

5·Saturday USES level 2 and RMAN will backup changes since Friday.

星期六使用级别2,rman将备份星期五以后的更改。

6·Friday USES level 2. RMAN will backup all changes since Thursday.

星期五使用级别2。rman将备份星期四以后做的所有更改。

7·Saturday USES level 2. RMAN will backup all changes since Thursday.

星期六使用级别2。rman将备份星期四以后做的所有更改。

8·RMAN will backup all data blocks that have ever been in use in database.

RMAN将备份已经在数据库中使用的所有数据块。

9·Large Pool - Memory allocated for use by RMAN for backup and recovery.

大型池——分配给RMAN用于备份和恢复的内存。

10·RMAN queries the metadata and does not actually read the backup files.

RMAN只是查询了原数据，实际上并没有读取备份文件。