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.
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.
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.
备份和还原数据库时，必须将数据备份到媒体上(例如磁带和磁盘)。
When you back up and restore a database, you must back up the data onto media (for example, tapes and disks).
在脚本，打开一个连接到测试服务器，和脚本还原的数据库从备份复制的文件(2)。
In the script, open a connection to the test server, and script the restore of the database from the backup file copied in (2).
论述了数据库备份的重要性和必要性，介绍了数据库备份的步骤及方法，并通过实例进行了数据库备份、还原操作。
In this paper attention is concentrated on concept and architecture of Oracle data Guard, and the process of planning, creating physical standby database and logical standby database.
论述了数据库备份的重要性和必要性，介绍了数据库备份的步骤及方法，并通过实例进行了数据库备份、还原操作。
In this paper attention is concentrated on concept and architecture of Oracle data Guard, and the process of planning, creating physical standby database and logical standby database.
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