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.
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