求sql ??
table   AA   
 name            mark 
    a                     89 
    b                     55 
    c                     20 
    d                     60   
 我要得到的结果为 
    name               mark         id 
       a                        89               1 
       d                        60               2 
       b                        55               3 
       c                        20               4   
 谢谢拉
------解决方案--------------------  select a.name,a.mark,id=(select count(mark) from tablename where mark> =a.mark) from tablename a
------解决方案--------------------create table AA(name varchar(10),   mark int) 
 insert aa 
 select  'a ',       89 union all 
 select   'b ' ,      55 union all 
 select   'c ',       20 union all 
 select  'd ',       60   
 select a.name,a.mark,id=(select count(mark) from AA where mark> =a.mark) from AA a order by mark desc