title: Can I Join 3 table using Natural Join?
body: <p>The image down below shows a small database,
  <img src="https://i.stack.imgur.com/UFc6s.png" alt="enter image description here"></p>
  
  <p>I got a question </p>
  
  <blockquote>
    <p>Give a relational algebra expression to find the name of the judge who
    presides over the trial for defendant known as “Mike” starting on
    1.12.2012.</p>
  </blockquote>
  
  <p>And the answer given is</p>
  
  <p><img src="https://i.stack.imgur.com/KRjDE.png" alt="enter image description here"></p>
  
  <hr>
  
  <p>But I think it should Join <code>JUDGE</code> table as well something like this :</p>
  
  <p>Please leave some comment if I' wrong about this</p>
  
  <p><img src="https://i.stack.imgur.com/1GNGf.png" alt="enter image description here"></p>