在使用合并备份时，如果周五需要进行修复，那么您可以从周四的合并备份和事务日志还原所有数据。

With merged backups, if a recovery is needed on Friday, you can restore everything from Thursday's merged backup along with the transaction logs.

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然后还原最近的干净的数据库备份和随后的日志备份, 包含上一步做的日志备份.

Then restore the latest clean database backup and the subsequent log backups, including the one taken in above step.

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举例来说，亚马逊关系数据库服务amazon Relational Database Service (RDS)提供了无数据丢失的自动备份和还原服务。

For example, the Amazon Relational Database Service (RDS) provides automatic backup and recovery with virtually no data loss.

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