title: Group function is not allowed here
body: <p>When I run the following query, I get </p>
  
  <blockquote>
    <p>ORA-00934: group function is not allowed here</p>
  </blockquote>
  
  <p>what is the problem ?</p>
  
  <pre><code>select c.Numcom,c.Nompr,c.salaire_fix
  from commercialv c,comercialv c1
  where c.salaire_fix=(max(c1.salaire_fix) );
  </code></pre>