begin
  sys.dbms_job.submit(job => :job,
                      what => '你要执行的过程',
                      next_date => to_date('22-05-2005 16:50:41', 'dd-mm-yyyy hh24:mi:ss'),
                      interval => 'TRUNC(SYSDATE)+15/(24*60)');
  commit;
end;
/