Refining a pivot table Monthly to Quarterly

Hello,
I have the following query:

select *
  from
  (
      SELECT
       [Custnum]
      ,[Custname]
      ,period,amount
     
      ,[Inventory code]

                                    
       FROM [VisionTools].[dbo].[SupplySalesEAUTOOMD]
       ) x
  PIVOT (SUM(Amount) FOR PERIOD IN ([201201],[201202],[201203],[201204]
                                                      ,[201205],[201206],[201207],[201208],[201209],[201210],[201211],[201212],[201301]
                                                      ,[201302],[201303],[201304],[201305],[201306],[201307],[201308],[201309],[201310],[201311],[201312])) P
      WHERE  [INVENTORY CODE] LIKE 'SUPINK'
      ORDER BY [Custname]

and partial result is seen in attachment.
What I need is to sum and group the months into quarterly columns. not month by month .

If you could point me in the right direction.

THank you
sqlsupply.PNG
acardulloAsked:
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Shaun KlineConnect With a Mentor Lead Software EngineerCommented:
The only thing you would need to do is convert your Period column in a value that represents how you want to display your Quarters.

Something like:
LEFT(CAST([period] AS VARCHAR), 4) + 
CASE RIGHT(CAST([period] AS VARCHAR), 2)
    WHEN '01' THEN 'Q1'
    WHEN '02' THEN 'Q1'
    WHEN '03' THEN 'Q1'
    WHEN '04' THEN 'Q2'
    WHEN '05' THEN 'Q2'
    WHEN '06' THEN 'Q2'
    WHEN '07' THEN 'Q3'
    WHEN '08' THEN 'Q3'
    WHEN '09' THEN 'Q3'
    WHEN '10' THEN 'Q4'
    WHEN '11' THEN 'Q4'
    ELSE 'Q4' END As QuarterPeriod
 

Then change your PIVOT to be over QuarterPeriod instead of Period, and change the columns you want to see in your results (i.e. 2012Q1, 2012Q2, etc.)

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Kyle AbrahamsConnect With a Mentor Senior .Net DeveloperCommented:
assuming you follow the January - December year you need to do two things:

select *
  from
  (
      SELECT
       [Custnum]
      ,[Custname]
      ,period
      ,amount      
      ,[Inventory code]
      --create case statement for quarter
      ,case when month(period) between 1 and 3 then 1
              when month(period) between 4 and 6 then 2
              when month(period) between 7 and 9 then 3
              when month(period) between 10 and 12 then 4
        EMD Quarter

                                   
       FROM [VisionTools].[dbo].[SupplySalesEAUTOOMD]
       ) x
--update pivot.
PIVOT (SUM(Amount) FOR Quarter IN (1,2,3,4) P
      WHERE  [INVENTORY CODE] LIKE 'SUPINK'
      ORDER BY [Custname]
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acardulloAuthor Commented:
I'm getting this error

Msg 102, Level 15, State 1, Line 16
Incorrect syntax near 'EMD'.
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acardulloAuthor Commented:
btw. I didn't mention it but the column "period" is a float.
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Kyle AbrahamsSenior .Net DeveloperCommented:
There's a slight typo . . . "EMD" should be "END".  What does period represent?  You can always cast it as a datetime

eg:

case when month(cast (period as smalldatetime)) between 1 and 3 then 1
-- update the rest.
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acardulloAuthor Commented:
I just did a right(period,2)  and that works

I didn't however mention that I still need separation between years.
We need these numbers to compare quarterly sales form year to year.
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acardulloAuthor Commented:
So I need
Custnum    Custname          2012Q1     2012Q2    2012Q3    2012Q4    2013Q1    2013Q2  etc

Thanks
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acardulloAuthor Commented:
So I did this  but it still doesn't group it right. See attached file for result
select *
  from
  (
      SELECT
       [Custnum]
     
      ,period
      ,amount      
      ,[Inventory code]
      --create case statement for quarter
      ,case when right(period,2) between 1 and 3 and Left(period,4) = '2012' then '2012-Q1'
              when right(period,2) between 4 and 6 and Left(period,4) = '2012' then '2012-Q2'
              when right(period,2) between 7 and 9 and Left(period,4) = '2012' then '2012-Q3'
              when right(period,2) between 10 and 12 and Left(period,4) = '2012' then '2012-Q4'
             
              when right(period,2) between 1 and 3 and Left(period,4) = '2013' then '2013-Q1'
              when right(period,2) between 4 and 6 and Left(period,4) = '2013' then '2013-Q2'
              when right(period,2) between 7 and 9 and Left(period,4) = '2013' then '2013-Q3'
              when right(period,2) between 10 and 12 and Left(period,4) = '2013' then '2013-Q4'
        END as [Quarter]

                                   
       FROM [VisionTools].[dbo].[SupplySalesEAUTOOMD]
       ) x
--update pivot.
PIVOT (SUM(Amount) FOR [Quarter] IN ([2012-Q1],[2012-Q2],[2012-Q3],[2012-Q4],[2013-Q1],[2013-Q2],[2013-Q3],[2013-Q4])) P
      WHERE  [INVENTORY CODE] = 'SUPINK' and [custnum] = 'DH4461'
supply1.PNG
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acardulloAuthor Commented:
ugh.  all I had to do is drop the period column and it worked fine.
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