Database recovery is a important method to protect database security.
数据库恢复是保障数据库安全性的一个重要机制。
Notice we are only looking at the recovery log — not database files.
注意我们仅仅着眼于恢复日志而不是数据库文件。
My database is in the simple recovery mode.
我的数据库工作在简单的恢复模式。
Complete recovery can be done at the database level or data file and tablespace level.
完全恢复可以在数据库级或数据文件和表空间级上完成。
Typically this recovery is achieved when database is running in ARCHIVELOG mode and backup online.
通常该恢复是当数据库运行在ARCHIVELOG模式下和联机备份时取得的。
This release extends support for large database environments and disaster recovery.
这个版本扩展了对大型数据库环境和灾难恢复的支持。
For disaster recovery, standard database backup and restore procedures are advised.
对于灾难恢复，建议使用标准的数据库备份和存储过程。
There are many types of failure that cause a database to need recovery.
有多种类型的失败导致需要恢复数据库。
To do a database level recovery, you need to do the following.
在某些情形中，可能需要数据库级的恢复。
But if recovery cannot be completed, the database is left offline.
但如果无法完成恢复，数据库将保持离线状态。
Database must be put in bypass recovery mode to rebuild the log.
必须将数据库置于回避恢复模式下才能重建日志。
Restore database using WITH RECOVERY.
数据库但不从备份中还原。
Restore database using WITH RECOVERY.
数据库但不从备份中还原。
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