![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
student表中有4个字段:StudentID(学生编号),Class(班级),CourseID(课程编号),Score(分数)()
A.(1)student表中记录了同学每一次考试的成绩。那么以下哪组sql代码取数的结果中,StudentID字段取值不会出现重复
B.selectStudentID,max(score)fromstudentgroupbyStudentID
C.selectdistinctStudentID,Scorefromstudent
D.selectStudentIDfromstudent
E.selectStudentIDfromstudentwherestudentIDisnotnull
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
A、(1)student表中记录了同学每一次考试的成绩。那么以下哪组sql代码取数的结果中,StudentID字段取值不会出现重复
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)