成人高等教育 / 数据库技术
正确率:100%
下列查询语句中,错误的是( )。
- A、 SELECT Sno, COUNT(*) FROM SC GROUP BY Sno
- B、 SELECT Sno FROM SC GROUP BY Sno WHERE COUNT(*) > 3
- C、 SELECT Sno FROM SC GROUP BY Sno HAVING COUNT(*) > 3
- D、 SELECT Sno FROM SC GROUP BY Sno
参考答案:
佳题速递: