private boolean assertDataTypeInternal(String tableName, String columnName, String dataType) throws SQLException {
        DAO.executeQuery(
                        "select utc.DATA_TYPE || '( ' || utc.data_length || ' )' from user_tab_cols utc where utc.table_name = upper(?) AND utc.COLUMN_NAME = upper(?) "
                        , new Object[]{tableName.toUpperCase(), columnName.toUpperCase()}
                        , new ResultSetHandler<Boolean>() {

                            @Override
                            public Boolean handle(ResultSet rs) throws SQLException {
                                List<String> dataTypeNames = new ArrayList<>(10);
                                while (rs.next()){
                                    System.out.println(rs.getString(1));
                                    return rs.getString(1).equals(dataType);
                                }
                                return false;
                            }

                        }
                , schemaName);
        return false;
    }