title: Select all from TWO tables
body: <p>I'm trying to select all the results from a table A and all results from table B <br/>
  I used this Request:</p>
  
  <pre><code>$request_public_imgs = $BDD-&gt; query("SELECT * FROM images_public ");
      UNION("SELECT * FROM images_users  WHERE img_kind='PublicImg' ")
      ;
  </code></pre>
  
  <p>But I receive this error </p>
  
  <blockquote>
    <p>Fatal error: Call to undefined function UNION() </p>
  </blockquote>