text: --[er]create a class with condition 'int not null auto_increment ',that is an error for setting the auto_increment field's value to be not null before the auto_increment
  
  create class xoo ( id int not null auto_increment ,
                     title varchar(100));
  
  insert into xoo(title) values ('aaa');
  insert into xoo(title) values ('bbb');
  insert into xoo(title) values ('ccc');
  
  select * from xoo order by 1;
  
  drop class xoo;