10.5. Exam Essentials

Identify the purpose of the redo log files. Describe the redo log file architecture. Provide details about how to create new redo log file groups and add new members to redo log file groups. Be able to drop redo log group members. Know how to clear online redo log file groups when a log file member becomes corrupted.

Be able to multiplex a control file. List the steps required to create additional copies of the control file, for both an init.ora file and an SPFILE.

Describe the basic differences between operating a database in ARCHIVELOG mode and NOARCHIVELOG mode. Identify the initialization parameters and commands that control the archive process. Briefly describe how archive log information is recorded in the control file.

Identify and discuss backup terminology. Enumerate the backup strategies, the backup types, and the backup modes. Give examples of how you can combine the strategies, types, and modes in different scenarios.

List the benefits of using RMAN to create backups. Show how to configure RMAN backup settings via the EM Database Control interface. Differentiate image copies from backup sets. Provide examples of an incremental backup strategy.

Explain the benefits of the Flash Recovery area. Show how you can access the characteristics and status of the Flash Recovery area using the EM Database Control as well as via dynamic performance views. Describe the database components that can be stored in the Flash Recovery area. Enumerate the initialization parameters that control the location and size of the Flash Recovery area.

Understand backup catalog maintenance. Show how the EM Database Control interface simplifies cataloging, crosschecking, and cleaning up.