我有以下两个表:加入动态SQL当建筑物立柱头
测验表:
QuizNo | Status
1 Reviewed
2 Not Reviewed
测验响应表:
QuizNo | QuestionID | Response
1 11 Yes
2 13 No
2 11 Yes
1 13 No
这是预期的结果(11 13是问号ID):
QuizNo | Status | 11 | 13
1 Reviewed Yes No
2 Not Reviewed Yes No
这是我目前的查询,这是不正常:
DECLARE @cols AS NVARCHAR(MAX),
@query AS NVARCHAR(MAX)
select @cols = STUFF((SELECT ',' + QUOTENAME(QuestionID)
from Quiz
INNER JOIN QuizResponse x ON QuizNo = x.QuizNo
group by QuestionID, QuizNo
order by QuestionID
FOR XML PATH(''), TYPE
).value('.', 'NVARCHAR(MAX)') ,1,1,'')
set @query = N'SELECT ' + @cols + N' from
(
select QuestionID
from QuizResponse
) x
pivot
(
max(QuestionID)
for QuestionID in (' + @cols + N')
) p '
exec sp_executesql @query;
你将如何完成/更改查询,以获得预期的结果?
TIA!
“*这是我当前的查询,它不起作用*”,这是什么意思?,它返回什么? – Lamak 2014-09-12 15:16:01
你的表格被称为“测验”和“测验回答”。您的示例代码没有这些表格。请修复这个问题。 – 2014-09-12 15:17:55
稍微扩展你以前的问题的版本:http://stackoverflow.com/questions/25810330/values-to-column-headers – Tanner 2014-09-12 15:19:42