an style="color: #00ffff;">if</span> start-date-p 'start-date t)
             <span style="color: #98fb98; font-weight: bold;">:from</span> 'employee)))
</pre>
</div>
<p>
But I prefer to remove those segments completely from the query.
</p>

<p>
Following on this same thread of thought, you can define a portion of the
sql in a let clause:
</p>
<div class="org-src-container">
<pre class="src src-lisp">(<span style="color: #00ffff;">let</span> ((sql1 '(<span style="color: #98fb98; font-weight: bold;">:=</span