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 |