查询二名和第三名sql

top是sql server的用法

SELECT t3.* 
FROM
(
    SELECT top 2 t2.* 
    FROM   (
        SELECT 
            top 3 NAME,
            SUBJECT,
            score,
            stuid 
        FROM stuscore 
        WHERE SUBJECT = '数学'
        ORDER BY score DESC
        ) t2 
    ORDER BY t2.score
) t3 
ORDER BY t3.score DESC

mysql 的用法

SELECT 
  * 
FROM
  stuscore 
WHERE SUBJECT = '数学'
ORDER BY score DESC 
LIMIT 1, 2;