而且要能够对过去仓库处理活动的任何历史加以恢复；备份文件应该包含从档案表中删除的数据。

And also that any past history of the warehouse processing activity can be recovered; backup files should contain the data that has been deleted from the archive table.

youdao

更改注册表前，应该对计算机上任何有价值的数据进行备份。

Before making changes to the registry, you should back up any valued data on the computer.

youdao

通过执行命令“Alter Tablespace ts_name Begin Backup”，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。

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.

youdao