title: dynamic refresh item oracle apex
body: <p>How do I refreshing an oracle APEX  item automatically after a specified interval to get true value . </p>
  
  <p>type :- sql query return single row</p>
  
  <p>the item value :-</p>
  
  <pre><code>    select (sysdate - created_date) from 
         crm_table 
         where id=:p15_id
  </code></pre>