DBA_ADVISOR_DEF_PARAMETERS displays all default task parameters and their current values in the database. When a task or object is created, the parameters and their values are copied into the private parameter table.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| ADVISOR_NAME | VARCHAR2(30) | NOT NULL | Name of the advisor that supports the parameter | 
| PARAMETER_NAME | VARCHAR2(30) | NOT NULL | Name of the parameter | 
| PARAMETER_VALUE | VARCHAR2(4000) | NOT NULL | Value of the parameter. Numeric parameter values are converted to a string equivalent. Possible keywords as values: 
 | 
| PARAMETER_TYPE | VARCHAR2(10) | Datatype of the parameter: 
 | |
| IS_DEFAULT | VARCHAR2(1) | Indicates whether the parameter value is set to the advisor's default value ( Y) or not (N) | |
| IS_OUTPUT | VARCHAR2(1) | Indicates whether the task execution process sets the parameter value ( Y) or not (N) | |
| IS_MODIFIABLE_ANYTIME | VARCHAR2(1) | Indicates whether the parameter value can be modified when the task is not in its initial state ( Y) or not (N) | |
| IS_SYSTEM_TASK_ONLY | VARCHAR2(1) | ??? | |
| DESCRIPTION | VARCHAR2(4000) | Optional description of the parameter | |
| EXECUTION_TYPE | VARCHAR2(30) | Type of the last execution. This information is optional for single-execution tasks. |