DBA_HIST_METRIC_NAME describes attributes of the set of RDBMS metrics. This view contains a snapshot of V$METRICNAME.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| DBID | NUMBER | NOT NULL | Database ID | 
| GROUP_ID | NUMBER | NOT NULL | Metric Group ID | 
| GROUP_NAME | VARCHAR2(64) | Metric group name | |
| METRIC_ID | NUMBER | NOT NULL | Metric ID | 
| METRIC_NAME | VARCHAR2(64) | NOT NULL | Metric name | 
| METRIC_UNIT | VARCHAR2(64) | NOT NULL | Unit of measurement |