my $_sql = "select * from $_k LIMIT 0";
	my $sth2 = $dbh->prepare($_sql);
	$sth2->execute();
	my @_mb2 = @{$sth2->{NAME}};
	foreach $_k2 (@_mb2) {
		# then looking for column names with username:

		if($_k2 =~ /username/i) {
			# do what they are looking for
		}
	next;
	}