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Which three statements are true concerning the Automatic Workload Repository (AWR) in a RAC environment?
Correct Answer: A,D,E
AWR snapshots are collect at database level. Oracle extends the AWR tool for RAC databases by adding the possibility to generate snapshots reports against the whole cluster database, some database instances of the cluster database, a specific database instance of the cluster database, statistics for a specific select query. D: AWR_SNAPSHOT_TIME_OFFSET specifies an offset for the AWR snapshot start time. AWR snapshots normally start at the top of the hour (12:00, 1:00, 2:00, and so on). This parameter allows DBAs to specify an offset for the AWR snapshot start time.