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