DBA_THRESHOLDS describes all thresholds.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| METRICS_NAME | VARCHAR2(64) | Metrics name | |
| WARNING_OPERATOR | VARCHAR2(12) | Relational operator for warning thresholds: 
 | |
| WARNING_VALUE | VARCHAR2(256) | Warning threshold value | |
| CRITICAL_OPERATOR | VARCHAR2(12) | Relational operator for critical thresholds: 
 | |
| CRITICAL_VALUE | VARCHAR2(256) | Critical threshold value | |
| OBSERVATION_PERIOD | NUMBER | Observation period length (in minutes) | |
| CONSECUTIVE_OCCURRENCES | NUMBER | Number of occurrences before an alert is issued | |
| INSTANCE_NAME | VARCHAR2(16) | Instance name; NULL for database-wide alerts | |
| OBJECT_TYPE | VARCHAR2(64) | Object type: 
 | |
| OBJECT_NAME | VARCHAR2(513) | Name of the object for which the threshold is set | |
| STATUS | VARCHAR2(7) | Indicates whether the threshold is applicable on a valid object ( VALID) or not (INVALID) |