el="6.2.4" data-path="sql.html"><a href="sql.html#filtering"><i class="fa fa-check"></i><b>6.2.4</b> Filtering</a></li>
<li class="chapter" data-level="6.2.5" data-path="sql.html"><a href="sql.html#calculations"><i class="fa fa-check"></i><b>6.2.5</b> Calculations</a></li>
<li class="chapter" data-level="6.2.6" data-path="sql.html"><a href="sql.html#aggregate-functions"><i class="fa fa-check"></i><b>6.2.6</b> Aggregate functions</a></li>
<li class="chapter" data-level="6.2.7" data-path="sql.html"><a href="s