title: Oracle job not executing automatically after 30 seconds
body: <p>I have created this Job to run a procedure. I expect it to run automatically after 30 seconds from the first execution but it does not. What could be the issue. The Job runs if I execute Manually. I am using 9i</p>
  
  <pre><code>DECLARE
    X NUMBER;
  BEGIN
    SYS.DBMS_JOB.SUBMIT
      ( job       =&gt; X 
       ,what      =&gt; 'ALERT_GNARATE;'
       ,next_date =&gt; to_date('25/11/2011 11:43:35','dd/mm/yyyy hh24:mi:ss')
       ,interval  =&gt; 'SYSDATE+1/2880'
       ,no_parse  =&gt; TRUE
      );
    SYS.DBMS_OUTPUT.PUT_LINE('Job Number is: ' || to_char(x));
  END;
  </code></pre>