title: PL/SQL command not properly working though successfully completed
body: <p>I have written a simple PL/SQL command of printing hello world to console but it prints nothing and still message is prompted that PL/SQL procedure successfully completed. I am not able to figure it out as to what to do in this case?
  Code:</p>
  <pre><code>BEGIN
  
  dbms_output.put_line ('Hello World..');
  
  END;
  </code></pre>
  <p>OUTPUT:</p>
  <img src="https://i.stack.imgur.com/TZrY5.png">