国开《数据库应用技术》第5章 测验

【题目】 查询语句中,错误的是(  )。     

SELECT Sno, COUNT(*) FROM SC GROUP BY Sno

SELECT Sno FROM SC GROUP BY Sno WHERE COUNT(*) > 3

SELECT Sno FROM SC GROUP BY Sno HAVING COUNT(*) > 3

SELECT Sno FROM SC GROUP BY Sno

试题来源数据库应用技术

查看整套课程试卷

此内容查看价格为0.2金币,请先
如有问题,请联系微信客服解决!

社交账号快速登录

微信扫一扫关注
如已关注,请回复“登录”二字获取验证码