to the
same variable in a different goroutine.
</p>

<h3 id="contributing"><a href="/doc/contribute" aria-describedby="index-description">Contribution Guide</a></h3>
<p>Contributing to Go.</p>

<h3 id="release"><a href="/doc/devel/release.html" aria-describedby="index-description">Release History</a></h3>
<p>A summary of the changes between Go releases.</p>

</section>


<section id="data-access" class="BigCard">

<h2>Accessing databases</h2>

<h3 id="data-access-tutorial"><a href="/doc/tutorial/database-ac