Display all the month names even the months donot exists in the table

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I have table names 'payroll' with following data

month , pay
January , 1200
March , 1500
December , 2000

I want the following result

Janury , 1200
February , 00
March , 1500
April , 00
May , 00
June , 00
July , 00
August , 00
September , 00
October , 00
November , 00
December , 00

Posted 12-Jun-13 0:03am

allagi.arun

Updated 12-Jun-13 8:51am

Maciej Los

v2

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Mike Meinz 12-Jun-13 6:05am

Is this homework?

allagi.arun 12-Jun-13 6:13am

Nope

allagi.arun 12-Jun-13 6:14am

Do you know the answer

Mike Meinz 12-Jun-13 6:18am

Twelve SELECT statements using UNION to merge the results together. Use ISNULL function when selecting pay column to return 0 instead of NULL.

4 solutions

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prasantcode · Answer 1 · 2013-06-12T00:43:00

Hi Friend,
Try this code

SQL

SELECT * INTO #tmppay 
from (
SELECT number, DATENAME(MONTH, '2012-' + CAST(number as varchar(2)) + '-1') monthname,'00' as pay
FROM master..spt_values
WHERE Type = 'P' and number between 1 and 12
) as tp1
select tmp.[monthname], isnull(p.Pay,00) from #tmppay tmp 
left  outer JOIN  pay p on tmp.[monthname]=p.[month]
drop TABLE #tmppay

prasantcode · Answer 2 · 2013-06-12T00:50:00

Hi Friend,

you can try the alternate of above code

SQL

with TempPay(number,[monthname],pay)
as
(
SELECT number, DATENAME(MONTH, '2012-' + CAST(number as varchar(2)) + '-1') monthname,00 as pay
FROM master..spt_values
 --inner join pay on [month]= [monthname]
WHERE Type = 'P' and number between 1 and 12

)
select tp.[monthname], isnull(p.Pay,0) as pay from TempPay tp

LEFT outer JOIN  pay p on p.[month]=tp.[monthname]

gvprabu · Answer 3 · 2013-06-12T00:55:00

Hi,

You can try like this also....

SQL

SELECT T.monthname 'Month', ISNULL(P.pay,0) 'Pay'
FROM payroll P
LEFT OUTER JOIN (SELECT DATENAME(MONTH, '2013-' + CAST(number as varchar(2)) + '-1') monthname
                 FROM master..spt_values  
                 WHERE Type = 'P' and number between 1 and 12) ON T.monthname=P.month

Regards,
GVPrabu

damodara naidu betha · Answer 4 · 2013-06-12T21:26:00

Hi,

try this solution.

SQL

;WITH MonthPayCTE AS
(
 SELECT 0 monthOrder, DateAdd(d, -DatePart(dy,getdate()-1),getdate()) as PayMonth
 UNION ALL
 SELECT MonthPayCTE.monthOrder+1 , DATEADD(m,1,MonthPayCTE.PayMonth) As PayMonth
 FROM MonthPayCTE WHERE PayMonth < DateAdd(d, -DatePart(d,getdate()), 
 Dateadd(m,12-datepart(m,getdate()),getdate()))
)


SELECT  A.Month,ISNULL(A.Pay,0) As Pay FROM (
 SELECT ROW_NUMBER() OVER(Partition By MonthPayCTE.PayMonth,PayRoll.Pay 
 Order By MonthPayCTE.PayMonth) RowNum, DATENAME(month, MonthPayCTE.PayMonth) As Month,
 Payroll.Pay FROM Payroll RIGHT OUTER JOIN MonthPayCTE 
 ON  LTRIM(RTRIM(DATENAME(month,MonthPayCTE.PayMonth))) = LTRIM(RTRIM(Payroll.month))
 ) AS A  WHERE A.RowNum < 2

Display all the month names even the months donot exists in the table

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