ntly accessed fields</td>
</tr>
<tr>
<td><code>VAR</code></td>
<td>Variable size</td>
<td>Medium-sized variable data</td>
</tr>
<tr>
<td><code>PAR</code></td>
<td>Partitioned</td>
<td>Large data requiring partial updates</td>
</tr>
</tbody>
</table>
<h3 id="field-creation-examples">Field Creation Examples</h3>
<div class="highlight"><pre><span></span><code># Fixed field with size
f.mkfield(&quot;id&quot;, &quot;INT&quot;, &quot;FIX&quot;, 4)

# Variable field
f.mkfield(&quot;name&quot;, &quot;STR&quot;, &qu