count related sql issue

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SQL-Server-2008

Hi,

I am trying to achive as per my requirement to show task start date falls on in the next 6 months.

I need to show it as forecast report .

select count(*) as [Count], M1 as [Month] from tasktable
where task_startdate between getdate() and dateadd(m,1,getdate())
union all
select count(*) as [Count], M2 as [Month] from tasktable
where task_startdate between dateadd(m,1,getdate()) and dateadd(m,2,getdate())
union all
select count(*) as [Count], M2 as [Month] from tasktable
where task_startdate between dateadd(m,2,getdate()) and dateadd(m,3,getdate()).....etc upto 6 months

output is

count	month
2	m1
5	m2
1	m3

but i need to make query output as

M1	M2	M3
2	5	1

please help me out to form query...

thanks in advance:)

Posted 18-Mar-14 20:42pm

jvamsikrishna

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3 solutions

Solution 1

SQL

select * from tasktable
where task_startdate between getdate() and dateadd(m,1,getdate())
pivot (count (task_startdate) for [Count] in ([M1],[M2],[M3])) as CountOfValues

Posted 18-Mar-14 20:48pm

Sudheer Nimmagadda

Solution 2

learn yourself
Pivot and unpivot

Posted 18-Mar-14 21:00pm

King Fisher

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Maciej Los · Accepted Answer · 2014-03-18T21:05:00

Use CASE WNEN... END[^] statemnt.

SQL

SELECT M1, M2, M3, M4, M5, M6
FROM (
    SELECT task_startdate, CASE WHEN task_startdate between getdate() and dateadd(m,1,getdate()) THEN 'M1'
                WHEN task_startdate between dateadd(m,1,getdate()) and dateadd(m,2,getdate()) THEN 'M2'
                WHEN task_startdate between dateadd(m,2,getdate()) and dateadd(m,3,getdate()) THEN 'M3'
                ...
           END AS MyNote
    FROM tasktable
    ) AS DT
PIVOT(COUNT(task_startdate) FOR MyNote IN([M1], [M2], [M3], [M4], [M5], [M6])) AS PVT