and">UPDATE</code> and
       <code class="command">DELETE</code> commands.  It can be specified for a foreign table
       or a foreign server.  A table-level option overrides a server-level
       option.
       The default is <code class="literal">true</code>.
      </p><p>
       Of course, if the remote table is not in fact updatable, an error
       would occur anyway.  Use of this option primarily allows the error to
       be thrown locally without querying the remote server.  Note however
       th