使用完全数据库备份模型时，恢复数据需要这些备份。
These backups are necessary for recovering data when you use the full database backup model.
与完全数据库备份相比，差异数据库备份体积更小，速度也更快。
Differential database backups are smaller and faster than full database backups.
脱机备份要求采取完全数据库备份，显然，在备份的过程中，数据库是脱机的。
Offline backup requires that a full database backup be taken and, obviously, that the database be offline while the backup is in process.
在将该参数设置为“Yes”之后，您必须执行完全数据库备份，以便在可以采用哪些增量备份上有一个基线。
After setting this parameter to "Yes", you must take a full database backup in order to have a baseline against which incremental backups can be taken.
当备用数据库(假设只包含dms表空间)处于前滚暂挂(rollforwardpending)状态时，DB 2UDB允许对它做完全数据库备份。
DB2 UDB allows you to take a full database backup of a standby database (if it only contains DMS tablespaces) while it is in the rollforward pending state.
当备用数据库(假设只包含dms表空间)处于前滚暂挂(rollforwardpending)状态时，DB 2UDB允许对它做完全数据库备份。
DB2 UDB allows you to take a full database backup of a standby database (if it only contains DMS tablespaces) while it is in the rollforward pending state.
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