private List<LinkedList<String>> loadRowsFromDb() {
        String sql = String.format(
                "select %s from PARAMETER order by VALUE_ORDER", U.Str.join(Cols, ","));

        return jdbcTmpl.query(sql, new RowMapper<LinkedList<String>>() {
            @Override
            public LinkedList<String> mapRow(final ResultSet rs, int _) throws SQLException {
                return new LinkedList<String>() {{
                    for(String col : Cols) {
                        String s = rs.getString(col);
                        add(s == null ? "" : s);
                    }
                }};
            }
        });
    }