 href="sql.html#null-values"><i class="fa fa-check"></i><b>6.2.10</b> Null values</a></li>
<li class="chapter" data-level="6.2.11" data-path="sql.html"><a href="sql.html#joins"><i class="fa fa-check"></i><b>6.2.11</b> Joins</a></li>
<li class="chapter" data-level="6.2.12" data-path="sql.html"><a href="sql.html#nested-select-statements"><i class="fa fa-check"></i><b>6.2.12</b> Nested <code>SELECT</code> statements</a></li>
<li class="chapter" data-level="6.2.13" data-path="sql.html"><a href="sql.html#order-o