DBA_OPTSTAT_OPERATIONS contains a history of statistics operations performed at the schema and database level using the DBMS_STATS package.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| OPERATION | VARCHAR2(64) | Operation name | |
| TARGET | VARCHAR2(64) | Target on which the operation was performed | |
| START_TIME | TIMESTAMP(6) WITH TIME ZONE | Time at which the operation started | |
| END_TIME | TIMESTAMP(6) WITH TIME ZONE | Time at which the operation ended |