teral"><span class="pre">data</span></code> and under MySQL is now of type BLOB</li>
<li><code class="docutils literal"><span class="pre">last_activity</span></code> field is renamed to <code class="docutils literal"><span class="pre">timestamp</span></code></li>
</ul>
</div></blockquote>
<p>This is accompanied by a slight change in the table indexes too, so
please read the manual about the <a class="reference external" href="../libraries/sessions.html#database-driver">Session Database Driver</a> for more i