测试

 

Begin
  sys.dbms_job.isubmit(job => 21,
  what => 'auto_task;',
  next_date => TO_DATE('2012-08-17:01:00:00','YYYY-MM-DD:HH24:MI:SS'),
  interval => 'TRUNC(sysdate+1)+1/24');
  Commit;
End;