An incremental backup is a backup of all changes since the most recent , successful , full backup 增量备份是自最近成功的完全备份以来所有更改的备份。
If the full backup contains log records , the restored data will be rolled forward using this log 如果数据备份包含日志记录,则还原的数据将使用此日志前滚。
Full backups are self - contained ; they represent the entire database at the time the backup completed 完全备份是自包含式的备份,它们代表备份完成时刻的整个数据库。
For maximum data protection , schedule the full backup differently from the incremental backups 通常,完全备份和增量备份以不同的时间表运行,以实现最大限度的数据保护。
Every sequence of transaction log backups must be preceded by a full backup or full differential backup 执行每个事务日志备份序列之前,必须先执行完全备份或完全差异备份。
The first returns the database to the state it was in when the backup was taken using a full backup of the database 一种是使用数据库的全备份,使数据库返回到备份时的状态。
For a full backup that includes source data , you have to back up the database which contains detail data 若要进行包括源数据在内的完整备份,则必须备份包含详细数据的数据库。
Creating a differential backup is identical to creating a full backup , except only changed data is copied 创建差异备份与创建数据备份相同,不过创建差异备份仅复制更改的数据。
Enabling archivelog mode will require a database rebounce , and a close and clean full backup 启用archivelog模式需要一个数据库回弹( database rebounce ) ,以及严格、干净的完全备份
You can use automatic keyword to automatic restore from the full backup and apply the saturday backup image 您可以使用automatic关键字自动从完全备份中恢复数据,并应用星期六备份映像。