BEGIN                      
  DBMS_SCHEDULER.CREATE_JOB ( 
   job_name        => 'your_job_name',
   job_type        => 'STORED_PROCEDURE',       -- see oracle documentation on types --
   job_action      => 'name of the procedure',
   start_date      => trunc(sysdate)+2/24,      -- every night @ 2 a.m.
   repeat_interval => 'FREQ=DAILY;BYHOUR=2',    -- daily @ 2 a.m.
   end_date        => NULL,
   enabled         => TRUE,
   comments        => 'your general comment');
END;
/