> <span class="kc">None</span><span class="p">:</span>
<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
<span class="sd">        Create transactional data base</span>
<span class="sd">        :param outputFile: Write transactional data base into outputFile</span>
<span class="sd">        :type outputFile: str</span>
<span class="sd">        :return: None</span>
<span class="sd">        &quot;&quot;&quot;</span>
        <span class="bp">self</span><span class="o">.</span><span class=