SQL> exec sys.dbms_scheduler.disable( '"SYS"."GATHER_STATS_JOB"' ); SQL> exec sys.dbms_scheduler.set_attribute( name => '"SYS"."GATHER_STATS_JOB"', attribute =>'schedule_name', value => 'SYS.WEEKEND_WINDOW'); SQL> exec sys.dbms_scheduler.enable( '"SYS"."GATHER_STATS_JOB"' );