Sql Server 2005 数据透视表可以将 nText 传递到其中吗?

发布于 2024-08-26 07:40:47 字数 1911 浏览 5 评论 0原文

一个简单的问题是我可以将 nText 输入到数据透视表中吗? (SQL Server 2005)

我有一个表,记录了调查问卷的答案,其中包含以下元素,例如:

UserID   QuestionNumber   Answer 
Mic        1                Yes
Mic        2                No
Mic        3                Yes
Ste        1                Yes
Ste        2                No
Ste        3                Yes
Bob        1                Yes
Bob        2                No
Bob        3                Yes

答案保存在 nText 中。无论如何,像数据透视表一样的 id 要做的是:

UserID  1     2    3
Mic     Yes   No   Yes
Ste     Yes   No   Yes
Bob     Yes   No   Yes

我有一些测试代码,它创建一个数据透视表,但目前它只显示每列中的答案数量(代码可以在下面找到)。所以我只想知道是否可以将 nText 添加到数据透视表?当我尝试时它会出现错误,并且有人在另一个网站上指出这是不可能的,所以我想检查是否是这种情况。

仅供进一步参考,我没有机会更改数据库,因为它链接到我尚未创建或也无法访问的其他系统。

下面是我目前拥有的 SQL 代码:

DECLARE @query NVARCHAR(4000)
DECLARE @count INT
DECLARE @concatcolumns NVARCHAR(4000)
SET @count = 1
SET @concatcolumns = ''

WHILE (@count <=52)
BEGIN
      IF @COUNT > 1 AND @COUNT <=52
            SET @concatcolumns = (@concatcolumns + ' + ')
      SET @concatcolumns = (@concatcolumns + 'CAST ([' +  CAST(@count AS NVARCHAR) + '] AS NVARCHAR)')
      SET @count = (@count+1)
END

DECLARE @columns NVARCHAR(4000)
SET @count = 1
SET @columns = ''
WHILE (@count <=52)
BEGIN
      IF @COUNT > 1 AND @COUNT <=52
            SET @columns = (@columns + ',')
      SET @columns = (@columns + '[' +  CAST(@count AS NVARCHAR) + '] ')
      SET @count = (@count+1)
END

SET @query = '
SELECT UserID,
' + @concatcolumns + '    
FROM(   
            SELECT
                      UserID,
                      QuestionNumber AS qNum
                      from QuestionnaireAnswers
                      where QuestionnaireID = 7
      ) AS t

      PIVOT
      (
      COUNT (qNum)
      FOR qNum IN (' + @columns + ')
      ) AS PivotTable'
select @query
exec(@query)

Right bit of a simple question can I input nText into a pivot table? (SQL Server 2005)

What I have is a table which records the answers to a questionnaire consisting of the following elements for example:

UserID   QuestionNumber   Answer 
Mic        1                Yes
Mic        2                No
Mic        3                Yes
Ste        1                Yes
Ste        2                No
Ste        3                Yes
Bob        1                Yes
Bob        2                No
Bob        3                Yes

With the answers being held in nText. Anyway what id like a Pivot table to do is:

UserID  1     2    3
Mic     Yes   No   Yes
Ste     Yes   No   Yes
Bob     Yes   No   Yes

I have some test code, that creates a pivot table but at the moment it just shows the number of answers in each column (code can be found below). So I just want to know is it possible to add nText to a pivot table? As when I've tried it brings up errors and someone stated on another site that it wasn't possible, so I would like to check if this is the case or not.

Just for further reference I don't have the opportunity to change the database as it's linked to other systems that I haven't created or have access too.

Heres the SQL code I have at present below:

DECLARE @query NVARCHAR(4000)
DECLARE @count INT
DECLARE @concatcolumns NVARCHAR(4000)
SET @count = 1
SET @concatcolumns = ''

WHILE (@count <=52)
BEGIN
      IF @COUNT > 1 AND @COUNT <=52
            SET @concatcolumns = (@concatcolumns + ' + ')
      SET @concatcolumns = (@concatcolumns + 'CAST ([' +  CAST(@count AS NVARCHAR) + '] AS NVARCHAR)')
      SET @count = (@count+1)
END

DECLARE @columns NVARCHAR(4000)
SET @count = 1
SET @columns = ''
WHILE (@count <=52)
BEGIN
      IF @COUNT > 1 AND @COUNT <=52
            SET @columns = (@columns + ',')
      SET @columns = (@columns + '[' +  CAST(@count AS NVARCHAR) + '] ')
      SET @count = (@count+1)
END

SET @query = '
SELECT UserID,
' + @concatcolumns + '    
FROM(   
            SELECT
                      UserID,
                      QuestionNumber AS qNum
                      from QuestionnaireAnswers
                      where QuestionnaireID = 7
      ) AS t

      PIVOT
      (
      COUNT (qNum)
      FOR qNum IN (' + @columns + ')
      ) AS PivotTable'
select @query
exec(@query)

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评论(2

吃→可爱长大的 2024-09-02 07:40:47

只需将其转换为 nvarchar(MAX) - 就可以正常工作了。仅供参考,您实际上不应该在 2005+ 下使用 ntext - 它已被弃用。希望有帮助。

Just convert it to an nvarchar(MAX) - that will work just fine. FYI, you shouldn't really be using ntext under 2005+ - it's deprecated. Hope that helps.

做个ˇ局外人 2024-09-02 07:40:47

不要使用 while 循环来创建列名称,而是使用函数 COALESCE。您还可以使用函数 QuoteName 将列名称放在方括号中。

Instead of using a while loop making column names, use the function COALESCE. And also you can use the function QuoteName to make the column name in square brackets.

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