title: How to access an index of a string in PL/SQL?
body: <p>I have a program say</p>
  
  <pre><code>DECLARE
  str VARCHAR2(20);
  BEGIN
  str:='Test';
  DBMS_OUTPUT.PUT_LINE(// Here I want to print a character of any index from string//);
  END;
  /
  </code></pre>
  
  <p>How to do it?</p>