t;&quot;&quot;</span>

<span class="sd">        Generate the transactional database</span>

<span class="sd">        Returns:</span>

<span class="sd">        &quot;&quot;&quot;</span>
        <span class="n">db</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>

        <span class="n">values</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_array</span><span class="p">(</span><span class="bp">self</span><span clas