You can perform online tablespace backups, and use these backups to restore a tablespace following media failure.
可以执行在线表空间备份，并且用这些备份来恢复由介质损坏的表空间。
When Alter Tablespace ts_name End backup is issued, again a checkpoint SCN is recorded at the headers of online backup data files.
当发出“AlterTablespace ts_nameEndBackup”时，在联机备份数据文件的的文件头中再次记录了检查点scn。
Supports full, incremental, delta and tablespace level online / offline backup and recovery.
支持完全、增量、delta和表空间级在线/离线备份和恢复。
For small and medium databases, Oracle provides both offline and conventional online backup (using Alter Tablespace... backup Begin command).
对于小型数据库和中型数据库，Oracle提供了脱机和常规联机备份(使用AlterTablespace…BackupBegin命令)。
Online backup occurs either when any or all online table spaces are put into online backup mode by issuing a command Alter Tablespace ts_name Begin Backup.
通过执行命令“AlterTablespace ts_nameBeginBackup”，将任何或所有联机表空间置于联机备份模式来启动联机备份。
Remember, a full database restore will require exclusive use for the entire restore operation, whereas online restore of a table space will only require that tablespace to be in exclusive mode.
记住，完全数据库恢复将要求整个恢复操作具有排它性，而表空间的联机恢复将只要求表空间处于排它模式中。
In this case, must take the tablespace that needs recovery offline, restore and then recover the tablespace, and bring the recovered tablespace online.
在这种情况下，必须把这个需要恢复的表空间下线，重新获得，然后恢复表空间，最后让表空间上线。
In this case, must take the tablespace that needs recovery offline, restore and then recover the tablespace, and bring the recovered tablespace online.
在这种情况下，必须把这个需要恢复的表空间下线，重新获得，然后恢复表空间，最后让表空间上线。
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