-- Doc. id 2660128.1 -- Check retention select TASK_NAME,parameter_name, parameter_value FROM DBA_ADVISOR_PARAMETERS WHERE task_name='AUTO_STATS_ADVISOR_TASK' and PARAMETER_NAME='EXECUTION_DAYS_TO_EXPIRE'; -- TASK_NAME PARAMETER_NAME PARAMETER_VALUE -- AUTO_STATS_ADVISOR_TASK EXECUTION_DAYS_TO_EXPIRE UNLIMITED -- Change to 3 days EXEC DBMS_SQLTUNE.SET_TUNING_TASK_PARAMETER (task_name => 'AUTO_STATS_ADVISOR_TASK', parameter => 'EXECUTION_DAYS_TO_EXPIRE', value => 3); -- Delete expired tasks select TASK_ID,TASK_NAME,EXECUTION_NAME,execution_start from dba_advisor_executions where TASK_NAME='AUTO_STATS_ADVISOR_TASK'; exec prvt_advisor.delete_expired_tasks; exec dbms_pdb.exec_as_oracle_script('alter table WRI$_ADV_OBJECTS move tablespace sysaux'); alter index WRI$_ADV_OBJECTS_PK rebuild; alter index WRI$_ADV_OBJECTS_IDX_01 rebuild; alter index WRI$_ADV_OBJECTS_IDX_02 rebuild;