V$THRESHOLD_TYPES displays information about threshold types.
| Column | Datatype | Description | 
|---|---|---|
| METRICS_ID | NUMBER | Metrics ID | 
| METRICS_GROUP_ID | NUMBER | Metrics group ID | 
| OPERATOR_MASK | NUMBER | Operator mask | 
| OBJECT_TYPE | VARCHAR2(64) | Object type: 
 | 
| ALERT_REASON_ID | NUMBER | ID of the alert reason | 
| METRIC_VALUE_TYPE | NUMBER | Metric value type |