多选题

知识点：数据库 5/10（单选/必答） Which of the fo...

Question

知识点：数据库 5/10（单选/必答）

Which of the following queries return the employee names who has attended more than one training?

A. select e.name from employees e join trainings t on e.eid=t.eid group by e.name having (count(t.coursename)&gt1)

B. select e.name from employees e join trainings t on e.eid=t.eid group by e.name having (count(t.eid)&gt1)

C. select e.name from employees e join trainings t on e.eid=t.eid group by e.name having (count(*)&gt1)

D. All the queries are correct