title: Convert from SQL to DQL
body: <p>Can you please convert it to DQL :</p>
  
  <pre><code>SELECT molecule.cas, molecule.id_molecule, molecule.statutvlep8h, statutvlepct,
         vlep8h_mg, vlepct_mg,molecule.unitevlep, prelevement.id_laboratoire 
  FROM thym_dev.molecule 
  INNER JOIN thym_dev.prelevement 
  WHERE molecule.id_molecule = prelevement.id_molecule
  
  UNION ALL
  
  SELECT molecule.cas, molecule.id_molecule, molecule.statutvlep8h, statutvlepct, 
         vlep8h_mg, vlepct_mg,molecule.unitevlep, analyse.id_laboratoire 
  FROM thym_dev.molecule 
  INNER JOIN thym_dev.analyse
  WHERE molecule.id_molecule = analyse.id_molecule;
  </code></pre>