oracle修改統計信息收集時間以及窗口持續時間

查看任務狀態
select client_name,status from dba_autotask_client;
修改窗口執行開始時間和持續時間
begin
dbms_scheduler.disable( name => 'SUNDAY_WINDOW', force => TRUE);
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."SUNDAY_WINDOW"',attribute=>'REPEAT_INTERVAL',value=>'freq=daily;byday=SUN;byhour=1;byminute=0; bysecond=0');
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."SUNDAY_WINDOW"',attribute=>'DURATION',value=>numtodsinterval(240, 'minute'));
dbms_scheduler.enable( name => 'SUNDAY_WINDOW');
dbms_scheduler.disable( name => 'SATURDAY_WINDOW', force => TRUE);
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."SATURDAY_WINDOW"',attribute=>'REPEAT_INTERVAL',value=>'freq=daily;byday=SAT;byhour=1;byminute=0; bysecond=0');
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."SATURDAY_WINDOW"',attribute=>'DURATION',value=>numtodsinterval(240, 'minute'));
dbms_scheduler.enable( name => 'SATURDAY_WINDOW');
dbms_scheduler.disable( name => 'FRIDAY_WINDOW', force => TRUE);
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."FRIDAY_WINDOW"',attribute=>'REPEAT_INTERVAL',value=>'freq=daily;byday=FRI;byhour=1;byminute=0; bysecond=0');
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."FRIDAY_WINDOW"',attribute=>'DURATION',value=>numtodsinterval(240, 'minute'));
dbms_scheduler.enable( name => 'FRIDAY_WINDOW');
dbms_scheduler.disable( name => 'THURSDAY_WINDOW', force => TRUE);
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."THURSDAY_WINDOW"',attribute=>'REPEAT_INTERVAL',value=>'freq=daily;byday=THU;byhour=1;byminute=0; bysecond=0');
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."TUESDAY_WINDOW"',attribute=>'DURATION',value=>numtodsinterval(240, 'minute'));
dbms_scheduler.enable( name => 'THURSDAY_WINDOW');
dbms_scheduler.disable( name => 'WEDNESDAY_WINDOW', force => TRUE);
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."WEDNESDAY_WINDOW"',attribute=>'REPEAT_INTERVAL',value=>'freq=daily;byday=WED;byhour=1;byminute=0; bysecond=0');
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."WEDNESDAY_WINDOW"',attribute=>'DURATION',value=>numtodsinterval(240, 'minute'));
dbms_scheduler.enable( name => 'WEDNESDAY_WINDOW');
dbms_scheduler.disable( name => 'TUESDAY_WINDOW', force => TRUE);
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."TUESDAY_WINDOW"',attribute=>'REPEAT_INTERVAL',value=>'freq=daily;byday=TUE;byhour=1;byminute=0; bysecond=0');
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."TUESDAY_WINDOW"',attribute=>'DURATION',value=>numtodsinterval(240, 'minute'));
dbms_scheduler.enable( name => 'TUESDAY_WINDOW');
dbms_scheduler.disable( name => 'MONDAY_WINDOW', force => TRUE);
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."MONDAY_WINDOW"',attribute=>'REPEAT_INTERVAL',value=>'freq=daily;byday=MON;byhour=1;byminute=0; bysecond=0');
DBMS_SCHEDULER.SET_ATTRIBUTE(name=>'"SYS"."MONDAY_WINDOW"',attribute=>'DURATION',value=>numtodsinterval(240, 'minute'));
dbms_scheduler.enable( name => 'MONDAY_WINDOW');
end;
/

查看窗口執行時間和持續時間
select * from dba_scheduler_windows；

　查看歷史執行情況

SELECT a.CLIENT_NAME,a.WINDOW_START_TIME,a.WINDOW_DURATION  FROM dba_autotask_client_history a WHERE client_name like '%stats%';