n class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"col1"</span>, <span class="st">"col2"</span>,</span></span>
<span class="r-in"><span>    <span class="st">"col3"</span><span class="op">)</span>, exec <span class="op">=</span> <span class="cn">FALSE</span><span class="op">)</span></span></span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> <span style="color: #00BBBB;">ℹ</span> CREATE INDEX "