[英]Need assistance with PIVOT table
I have a SQL query that I need to convert into a PIVOT table. 我有一个SQL查询,我需要将其转换为PIVOT表。 Right now the data appears as such... 现在数据就这样显示...
But I really want it to appear with the ProcessDesc as COLUMN HEADINGS and the "intersection" being DateCompleted, such as.... 但是我真的希望它与ProcessDesc一起显示为COLUMN HEADINGS,并且“交集”为DateCompleted,例如...。
How can I do this exactly? 我该怎么做呢? The query that creates the original query is as follows... 创建原始查询的查询如下...
SELECT DISTINCT E.DisplayName, EPM.DateCompleted, PS.SortNumber, PS.ProcessDesc
FROM dbo.EPM
INNER JOIN dbo.PS
ON EPM.EPS = PS.ID
INNER JOIN dbo.E
ON EPM.ID = E.ID
WHERE DisplayName IS NOT NULL
ORDER BY E.DisplayName, PS.SortNumber
Try this one: 试试这个:
#TEMP
here will be the one generated by your query: #TEMP
这将是您的查询生成的:
SELECT DISTINCT E.DisplayName, EPM.DateCompleted, PS.SortNumber, PS.ProcessDesc
FROM dbo.EPM
INNER JOIN dbo.PS
ON EPM.EPS = PS.ID
INNER JOIN dbo.E
ON EPM.ID = E.ID
WHERE DisplayName IS NOT NULL
ORDER BY E.DisplayName, PS.SortNumber
declare @sql1 as varchar(4000) = ''
declare @sql2 as varchar(4000) = ''
declare @sql3 as varchar(4000) = ''
set @sql1 =
'select
DisplayName
'
select @sql2 = @sql2 +
' ,max(case when ProcessDesc = ''' + ProcessDesc + ''' then DateCompleted end) as [' + ProcessDesc +']
'
from #TEMP
order by ProcessDesc, ProcessSort
set @sql3 =
'
from #TEMP
group by DisplayName
ORDER BY DisplayName
'
print @sql1 + @sql2 +@sql3
exec(@sql1 + @sql2 +@sql3)
SELECT E.DisplayName,
MAX(CASE WHEN PS.ProcessDesc='Set-Up Form 1' THEN EPM.DateCompleted END) as [Set-Up Form 1],
MAX(CASE WHEN PS.ProcessDesc='Set-Up Form 2' THEN EPM.DateCompleted END) as [Set-Up Form 2],
MAX(CASE WHEN PS.ProcessDesc='Set-Up Form 3' THEN EPM.DateCompleted END) as [Set-Up Form 3]
FROM dbo.EPM
INNER JOIN dbo.PS
ON EPM.EPS = PS.ID
INNER JOIN dbo.E
ON EPM.ID = E.ID
WHERE DisplayName IS NOT NULL
GROUP BY E.DisplayName
ORDER BY E.DisplayName, PS.SortNumber
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