调整统计信息时长

自动收集统计信息从22点开始，默认2点结束，只干活4小时，有时为了避免与夜晚跑批作业冲突，需要进行调整。

--调整统计信息收集窗口为6个小时
col WINDOW_NAME for a18
col REPEAT_INTERVAL for a60
col DURATION for a30
set linesize 120
SELECT t1.window_name, t1.repeat_interval, t1.duration
  FROM dba_scheduler_windows t1, dba_scheduler_wingroup_members t2
 WHERE t1.window_name = t2.window_name
   AND t2.window_group_name IN
       ('MAINTENANCE_WINDOW_GROUP', 'BSLN_MAINTAIN_STATS_SCHED');

BEGIN
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.MONDAY_WINDOW',
                                   attribute => 'REPEAT_INTERVAL',
                                   VALUE => 'freq=daily;byday=MON;byhour=22;byminute=0;bysecond=0');
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.MONDAY_WINDOW',
                                   attribute => 'DURATION',
                                   VALUE => '0 06:00:00');
END;
/

BEGIN
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.TUESDAY_WINDOW',
                                   attribute => 'REPEAT_INTERVAL',
                                   VALUE => 'freq=daily;byday=TUE;byhour=22;byminute=0;bysecond=0');
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.TUESDAY_WINDOW',
                                   attribute => 'DURATION',
                                   VALUE => '0 06:00:00');
END;
/

BEGIN
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.WEDNESDAY_WINDOW',
                                   attribute => 'REPEAT_INTERVAL',
                                   VALUE => 'freq=daily;byday=WED;byhour=22;byminute=0;bysecond=0');
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.WEDNESDAY_WINDOW',
                                   attribute => 'DURATION',
                                   VALUE => '0 06:00:00');
END;
/

BEGIN
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.THURSDAY_WINDOW',
                                   attribute => 'REPEAT_INTERVAL',
                                   VALUE => 'freq=daily;byday=THU;byhour=22;byminute=0;bysecond=0');
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.THURSDAY_WINDOW',
                                   attribute => 'DURATION',
                                   VALUE => '0 06:00:00');
END;
/

BEGIN
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.FRIDAY_WINDOW',
                                   attribute => 'REPEAT_INTERVAL',
                                   VALUE => 'freq=daily;byday=FRI;byhour=22;byminute=0;bysecond=0');
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.FRIDAY_WINDOW',
                                   attribute => 'DURATION',
                                   VALUE => '0 06:00:00');
END;
/

BEGIN
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.SATURDAY_WINDOW',
                                   attribute => 'REPEAT_INTERVAL',
                                   VALUE => 'freq=daily;byday=SAT;byhour=6;byminute=0;bysecond=0');
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.SATURDAY_WINDOW',
                                   attribute => 'DURATION',
                                   VALUE => '0 20:00:00');
END;
/

BEGIN
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.SUNDAY_WINDOW',
                                   attribute => 'REPEAT_INTERVAL',
                                   VALUE => 'freq=daily;byday=SUN;byhour=6;byminute=0;bysecond=0');
  sys.dbms_scheduler.set_attribute(NAME => 'SYS.SUNDAY_WINDOW',
                                   attribute => 'DURATION',
                                   VALUE => '0 20:00:00');
END;
/