><pre><span></span><code># Row Store (Transactional)
f.mk(&quot;db_name&quot;, &quot;ROW&quot;)

# Column Store (Analytical)
f.mk(&quot;db_name&quot;, &quot;COL&quot;)

# Group Database (Hierarchical) - Two equivalent ways:
f.mk(&quot;db_name&quot;, &quot;GROUP&quot;)    # Explicit group database
f.mk(&quot;dir_name&quot;, &quot;DIR&quot;)     # Directory alias (same as GROUP internally)
</code></pre></div>
<p><strong>Note</strong>: <code>"DIR"</code> and <code>"GROUP"</code> are equivalent - both create th