you should be able to:
Identify the types of failure that can occur in an Oracle database
Describe ways to tune instance recovery
Identify the importance of checkpoints, redo log files, and archive log files
Configure the fast recovery area
Configure ARCHIVELOG mode
创新互联公司坚持“要么做到，要么别承诺”的工作理念，服务领域包括：成都网站设计、网站制作、外贸营销网站建设、企业官网、英文网站、手机端网站、网站推广等服务，满足客户于互联网时代的兴和网站设计、移动媒体设计的需求，帮助企业找到有效的互联网解决方案。努力成为您成熟可靠的网络建设合作伙伴！
The database administrator’s duties are to:
Protect the database from failure wherever possible
Increase the mean time between failures (MTBF)
Protect critical components by redundancy
Decrease the mean time to recover (MTTR)
Minimize the loss of data
考：
考：
实例恢复调优：
archive log list; 查看是否开启归档；
建议生产环境用FRA.
