DECLARE
  X NUMBER;
BEGIN
  SYS.DBMS_JOB.SUBMIT
    ( job       => X 
     ,what      => 'begin
aesdem.work_summary.do_work;
commit;
end;

'
     ,next_date => to_date('22/05/2010 15:03:11','dd/mm/yyyy hh24:mi:ss')
     ,interval  => 'SYSDATE+1/86400'
     ,no_parse  => TRUE
    );
  SYS.DBMS_OUTPUT.PUT_LINE('Job Number is: ' || to_char(x));
END;
/

commit;