title: How to find character code in PL/SQL?
body: <p>I want to find character code of particular character in string.
  For instance if I have a string </p>
  
  <blockquote>
    <p>"Hello"</p>
  </blockquote>
  
  <p>How do i find the character code of all or particular characters in the string.</p>
  
  <p>I see that PL/SQL has a <code>ASCII()</code> and <code>ASCIISTR()</code> functions but I could not find any character related functions.</p>