V$METRICGROUP

V$METRICGROUP displays information about the metric group for each of the four major Streams components: capture, propagation, apply, and queue.

Column	Datatype	Description
`GROUP_ID`	`NUMBER`	Internal ID associated with each group
`NAME`	`VARCHAR2(64)`	External name of the group
`INTERVAL_SIZE`	`NUMBER`	How often to collect statistics
`MAX_INTERVAL`	`NUMBER`	Total number of intervals over which statistics should be collected