title: How to apply real time notifications in oracle apex without reloading the page (like facebook notifications)?
body: <p>I need a notification system for manager of restaurant,  when the stock of the item will be zero in database.</p>
  
  <p>I found same question in stackoverflow for php.
  <a href="https://stackoverflow.com/questions/19353629/notifications-without-reloading-the-page-like-facebook-or-google-plus-notificat">notifications without reloading the page (like facebook or google plus notifications)</a></p>
  
  <p><a href="https://stackoverflow.com/questions/16860106/real-time-notification-from-web-server-to-client-bowers">Real time notification from web server to client bowers</a></p>