dto 없이 데이터 받아오기<String>

	public List<String> selectAll() {
		return jdbc.query(SELECT_ALL, Collections.emptyMap(), new RowMapper<String>() {
			@Override
			public String mapRow(ResultSet rs, int rowNum) throws SQLException {
				return rs.getString("name");
			}
		});
	}

mapRow 생성