title: how do I compare current date with date which is entered by the user?
body: <p>I want to compare current date with date which is entered by the user.
  In my form I have fields as</p>
  
  <pre><code>Name:
  TicketNO:
  ContactNo:
  Issue Date: 13/4/2013
  Return Date: 17/4/2013
  </code></pre>
  
  <p>The above data is collected from user and entered into database and I want to compare issue date with the system date and on return date i want to send mail to user that your Return date is today.</p>
  
  <p>The database is Oracle 11g.</p>