查询最大值:select MAX(score) from t_student;
查询最大值行数据: select TOP 1 * from t_student order by score desc;
(mysql写法: select * from t_student order by score desc limit 1)
如果存在多行都是最大值,可以这么写:
select * from t_student where score = (select MAX(score) from t_student)