V$ALERT_TYPES displays information about server alert types.
| Column | Datatype | Description | 
|---|---|---|
| REASON_ID | NUMBER | ID of the alert reason | 
| OBJECT_TYPE | VARCHAR2(64) | Object type | 
| TYPE | VARCHAR2(9) | Alert type: 
 | 
| GROUP_NAME | VARCHAR2(64) | Group name | 
| SCOPE | VARCHAR2(8) | Scope: 
 | 
| INTERNAL_METRIC_CATEGORY | VARCHAR2(64) | Internal metric category | 
| INTERNAL_METRIC_NAME | VARCHAR2(64) | Internal metric name |