create table jobtest (x DATE);
begin
  DBMS_SCHEDULER.CREATE_JOB
   (job_name => 'job1',
    job_type => 'PLSQL_BLOCK',
    job_action => 'begin insert into jobtest
                       values (SYSDATE); end;',
    start_date => SYSDATE+1/1440,
    enabled => TRUE);
end;
/
