V$SYSMETRIC_HISTORY displays all system metric values available in the database. Both long duration (60-second with 1 hour history) and short duration (15-second with one-interval only) metrics are displayed by this view.
| Column | Datatype | Description | 
|---|---|---|
BEGIN_TIME | 
DATE | 
Begin time of the interval | 
END_TIME | 
DATE | 
End time of the interval | 
INTSIZE_CSEC | 
NUMBER | 
Interval size (in hundredths of a second) | 
GROUP_ID | 
NUMBER | 
Metric group ID | 
METRIC_ID | 
NUMBER | 
Metric ID | 
METRIC_NAME | 
VARCHAR2(64) | 
Metric name | 
VALUE | 
NUMBER | 
Metric value | 
METRIC_UNIT | 
VARCHAR2(64) | 
Metric unit description |