| Oracle® Database Reference 11g Release 2 (11.2) Part Number E25513-03 | 
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DBA_ADDM_TASKS displays information about all ADDM tasks in the database. The view contains one row for each row in the related DBA_ADVISOR_TASKS view that has ADVISOR_NAME=ADDM and STATUS=COMPLETED.
USER_ADDM_TASKS displays information about the ADDM tasks owned by the current user. The view contains one row for each row in the related USER_ADVISOR_TASKS view that has ADVISOR_NAME=ADDM and STATUS=COMPLETED. This view does not display the OWNER column.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| OWNER | VARCHAR2(30) | Owner of the task | |
| TASK_ID | NUMBER | NOT NULL | Unique identifier of the task | 
| TASK_NAME | VARCHAR2(30) | Name of the task | |
| DESCRIPTION | VARCHAR2(256) | User-supplied description of the task | |
| ADVISOR_NAME | VARCHAR2(30) | Advisor associated with the task | |
| CREATED | DATE | NOT NULL | Creation date of the task | 
| LAST_MODIFIED | DATE | NOT NULL | Date on which the task was last modified | 
| PARENT_TASK_ID | NUMBER | Identifier of the parent task (if the task was created as a result of the recommendation of another task) | |
| PARENT_RXEC_ID | NUMBER | Identifier of the recommendation within the parent task that resulted in the creation of the task | |
| LAST_EXECUTION | VARCHAR2(30) | Name of the current or last task execution | |
| EXECUTION_TYPE | VARCHAR2(30) | Type of the last execution. This information is optional for single-execution tasks. | |
| EXECUTION_TYPE# | NUMBER | Reserved for internal use | |
| EXECUTION_DESCRIPTION | VARCHAR2(256) | Optional description of the last execution | |
| EXECUTION_START | DATE | Execution start date and time of the task | |
| EXECUTION_END | DATE | Execution end date and time of the task | |
| STATUS | VARCHAR2(11) | Current operational status of the task: 
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| STATUS_MESSAGE | VARCHAR2(4000) | Informational message provided by the advisor, regarding the status | |
| PCT_COMPLETION_TIME | NUMBER | Percent completion, in terms of time, of the task when it is executing | |
| PROGRESS_METRIC | NUMBER | Metric that measures the progress of the task in terms of quality. Each advisor may have its own metric. | |
| METRIC_UNITS | VARCHAR2(64) | Unit of the metric used to measure progress | |
| ACTIVITY_COUNTER | NUMBER | Counter that is updated frequently by the advisor, denoting that useful work is being performed | |
| RECOMMENDATION_COUNT | NUMBER | Number of recommendations produced | |
| ERROR_MESSAGE | VARCHAR2(4000) | Informational message or an error message indicating the current operation or condition | |
| SOURCE | VARCHAR2(30) | Optional name that identifies the creator of the task | |
| HOW_CREATED | VARCHAR2(30) | Optional task or template on which the object was based | |
| READ_ONLY | VARCHAR2(5) | Indicates whether the task is read-only ( TRUE) or not (FALSE) | |
| SYSTEM_TASK | VARCHAR2(5) | Indicates whether the task is a system task ( TRUE) or not (FALSE). The automatic SQL tuning task,SYS_AUTO_SQL_TUNING_TASK, is one example of a system task. | |
| ADVISOR_ID | NUMBER | NOT NULL | Unique identifier for the advisor | 
| STATUS# | NUMBER | Reserved for internal use | |
| DBID | NUMBER | The database ID that the task was using | |
| DBNAME | VARCHAR2(9) | The name of the database that the task was analyzing | |
| DBVERSION | VARCHAR2(17) | The version of the database that the task was analyzing | |
| ANALYSIS_VERSION | VARCHAR2(17) | The version of the database that executed the task | |
| BEGIN_SNAP_ID | NUMBER | The snapshot ID that starts the analysis period | |
| BEGIN_TIME | TIMESTAMP(3) | The SYSDATEat the time theBEGIN_SNAP_IDwas taken | |
| END_SNAP_ID | NUMBER | The snapshot ID that ends the analysis period | |
| END_TIME | TIMESTAMP(3) | The SYSDATEat the time theEND_SNAP_IDwas taken | |
| REQUESTED_ANALYSIS | VARCHAR2(8) | The type of ADDM analysis that was requested before task execution, as follows: 
 
 
 | |
| ACTUAL_ANALYSIS | VARCHAR2(8) | The type of ADDM analysis that was actually performed when the task was executed (either DATABASE,INSTANCE, orPARTIAL) | |
| DATABASE_TIME | NUMBER | The total database time accumulated in the analysis period (and analyzed instances) in microseconds | |
| ACTIVE_SESSIONS | NUMBER | The average active sessions during the analysis period (and analyzed sessions) | |
| METER_LEVEL | VARCHAR2(6) | Reserved for future use |