查询SQL表中某几个字段值有重复的记录

SELECT *
FROM BXSK_Tab3
WHERE (skid IN
(SELECT skid
FROM BXSK_Tab3
WHERE (upYear = 2008) AND (upMonth = 4)
GROUP BY skid
HAVING (COUNT(skid) > 1))

and

upyear IN
(SELECT upyear
FROM BXSK_Tab3
WHERE (upYear = 2008) AND (upMonth = 4)
GROUP BY upyear
HAVING (COUNT(upyear) > 1))


)
ORDER BY skid,upyear