$dbh->do("INSERT INTO body (Body) Values (?)",
         $body);
##</code><code>##

$dbh->do("INSERT INTO body (Body) Values (?)",
         undef, $body);
##</code><code>##

         $rv  = $dbh->do($statement);
         $rv  = $dbh->do($statement, \%attr);
         $rv  = $dbh->do($statement, \%attr, @bind_values);