如何添加来自不同行的数据并将它们显示为sql查询中的一行的列

Question

我是SQL查询字段中的新成员，但我可以执行一些查询。我想在表格行中添加相关数据并将它们显示在同一列中。下面是包含数据的表：

任何帮助将不胜感激。在此先感谢

Answer 1

如果实际上只有3个问题，并假设表被评为学生，你可以做这样的事情：

select studentid AS Student, 
(select Questionpoints from Student where studentid = a.studentid and Questionid = 8) AS Qn1, 
(select Questionpoints from Student where studentid = a.studentid and Questionid = 9) AS Qn2, 
(select Questionpoints from Student where studentid = a.studentid and Questionid = 10) AS Qn3 
from Student as a 
group by studentid;