我试图找出一个直接值的支点。
我需要将行转换为列，Employee有不同的问题存储在行中，我想针对每个员工显示最多3个问题 我见过的大多数例子都包括一些聚合。我期待一个直接价值的支点。 来源表
EMPId Question
121 Should I refer for a desk assessment
121 They have accused me of bullying
121 what services can they be referred for ?
121 what services can they be referred for ?
122 They have accused me of bullying
122 what services can they be referred for ?
123 what services can they be referred for ?
期望输出
+----------+------------------------------------------+------------------------------------------+------------------------------------------+
| EMPId | Question1 | Question2 | Question3 |
+----------+------------------------------------------+------------------------------------------+------------------------------------------+
| 121 | Should I refer for a desk assessment | They have accused me of bullying | what services can they be referred for ? |
| 122 | They have accused me of bullying | what services can they be referred for ? | |
| 123 | what services can they be referred for ? | | |
+----------+------------------------------------------+------------------------------------------+------------------------------------------+
答案 0 :(得分：0)
您是否正在查看以下查询：
Select * from (
Select *, RowN = Concat('Question', dense_rank() over(partition by EmpId order by Question) )
from #questions
) a
pivot (max(Question) for RowN in ([Question1],[Question2],[Question3])) p
如果您的输入是xml，并且您希望翻译的xml，则此查询将无效。
输出如下：
+-------+------------------------------------------+------------------------------------------+------------------------------------------+
| Empid | Question1 | Question2 | Question3 |
+-------+------------------------------------------+------------------------------------------+------------------------------------------+
| 121 | Should I refer for a desk assessment | They have accused me of bullying | what services can they be referred for ? |
| 122 | They have accused me of bullying | what services can they be referred for ? | NULL |
| 123 | what services can they be referred for ? | NULL | NULL |
+-------+------------------------------------------+------------------------------------------+------------------------------------------+