strong></span>
            </p>
        <pre class="programlisting">dbsql&gt; begin;
dbsql&gt; insert into a values (3);
dbsql&gt; insert into b values (3);
</pre>
        <p>
                <span class="bold"><strong>Session 2:</strong></span>
            </p>
        <pre class="programlisting">dbsql&gt; begin;
dbsql&gt; insert into b values (3);
dbsql&gt; insert into a values (3);
Error: database table is locked
</pre>
        <p>
                What happens here is that Session 1 is blocked waiting
  