053-650

标签：base   recover   style   effect   get   task   can   recovery   fail   

Which three tasks can be performed using a duplicate database? (Choose three.)
A. Testing the backup and recovery procedures
B. Testing the upgrade of an Oracle database to a new release
C. Testing the effect of an application changes on database performance
D. Continuously updating archive log files from the target database to support failover

053-650

标签：base   recover   style   effect   get   task   can   recovery   fail   

原文地址：http://www.cnblogs.com/Babylon/p/7843834.html