BEGIN_TIME | 
DATE | 
Begin time for the metric value | 
END_TIME | 
DATE | 
End time for the metric value | 
INTSIZE_CSEC | 
NUMBER | 
Size of the time period | 
SEQUENCE# | 
NUMBER | 
A sequential counter that uniquely describes the V$RSRC_PLAN_HISTORY entry to which these consumer group statistics apply. When the instance is restarted, this value is reset to zero. | 
CONSUMER_GROUP_ID | 
NUMBER | 
Consumer group object ID (a unique number, consistent across database shutdowns and startups) | 
CONSUMER_GROUP_NAME | 
VARCHAR2(30) | 
Name of the consumer group | 
CPU_CONSUMED_TIME | 
NUMBER | 
Cumulative amount of CPU time consumed by all sessions in the consumer group | 
CPU_WAIT_TIME | 
NUMBER | 
Cumulative amount of time that sessions waited for CPU because of resource management. This does not include waits due to latch or enqueue contention, I/O waits, and so on.? | 
IO_REQUESTS | 
NUMBER | 
I/O requests | 
IO_MEGABYTES | 
NUMBER | 
I/O megabytes |