DBA_AUTO_STAT_EXECUTIONS
DBA_AUTO_STAT_EXECUTIONS displays information about automatic optimizer statistics collection tasks, which are executed by the automated maintenance tasks infrastructure (known as AutoTask).
| Column | Datatype | NULL | Description |
|---|---|---|---|
OPID |
NUMBER |
Unique identifier for the execution of the task | |
ORIGIN |
VARCHAR2(19) |
<p>Origin of the execution of the task. Possible values: <ul id="GUID-1E800E0E-D294-4E32-8D93-EED0B901755D__UL_G5H_DNY_2GB" style="list-style-type: disc;"> <li>AUTO_TASK: A standard automatic optimizer statistics collection task, which is executed automatically in an Oracle Scheduler window, known as maintenance window </li> <li>HIGH_FREQ_AUTO_TASK: A high-frequency automatic optimizer statistics collection task, which is executed at frequent intervals and complements the standard automatic optimizer statistics collection tasks </li> </ul> </p> |
|
STATUS |
VARCHAR2(49) |
<p>Status of the execution of the task. Possible values: <ul id="GUID-1E800E0E-D294-4E32-8D93-EED0B901755D__UL_FLS_CNY_2GB" style="list-style-type: disc;"> <li>IN PROGRESS: The operation is currently running </li> <li>COMPLETED: The operation has completed successfully </li> <li>FAILED: The operation has failed </li> <li>TIMED OUT: The operation timed out because the time allocated for the maintenance window was not sufficient for the operation to complete </li> </ul> </p> |
|
START_TIME |
TIMESTAMP(6) WITH TIME ZONE |
Start time for the execution of the task | |
END_TIME |
TIMESTAMP(6) WITH TIME ZONE |
End time for the execution of the task | |
COMPLETED |
NUMBER |
Number of objects for which statistics collection was completed during the execution of the task | |
FAILED |
NUMBER |
Number of objects for which statistics collection failed during the execution of the task | |
TIMED_OUT |
NUMBER |
Number of objects for which statistics collection timed out during the execution of the task | |
IN_PROGRESS |
NUMBER |
Number of objects for which statistics collection is in progress during the execution of the task |