forms:

</p><pre class="programlisting">
ALTER TABLE measurement DETACH PARTITION measurement_y2006m02;
ALTER TABLE measurement DETACH PARTITION measurement_y2006m02 CONCURRENTLY;
</pre><p>

     These allow further operations to be performed on the data before
     it is dropped. For example, this is often a useful time to back up
     the data using <code class="command">COPY</code>, <span class="application">pg_dump</span>, or
     similar tools. It might also be a useful time to aggregate data
     into