title: Using EXECUTE IMMEDIATE as a select field
body: <p>As a curiosity question, is there a way to use an <code>EXECUTE IMMEDIATE</code> statement as a subquery?</p>
  <p>The following example throws an error:</p>
  <pre class="lang-sql prettyprint-override"><code>SELECT 1, EXECUTE IMMEDIATE &quot;SELECT 2&quot;
  </code></pre>
  <p>Expected result: 1, 2</p>
  <p>I've tried a few tricks, but it doesn't seem possible.</p>
  <p>Thank you for any idea!</p>