how to sum values of two columns in different rows

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SQL-Server-2005

HI,

SQL

SELECT  MONTH(Month) AS Month ,
         SUM(vlera) AS Value ,

         SUM(0) AS [Don't know how to do]
 FROM    dbo.tblTest
 GROUP BY MONTH(Month)

Month       Value                               Don't know how to do
----------- -------------                        --------------------
1           12.50                                   0
2           12.50                                   0
3           12.50                                   0
4           13.00                                   0

Could anybody let me know how to select sum of second and third columns in different rows, in this example the third column should contain:

Thanx in advance

Posted 10-Jan-12 2:31am

Valdet Zabeli

Updated 10-Jan-12 4:05am

fjdiewornncalwe

v3

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Om Prakash Pant · Answer 1 · 2012-01-10T03:02:00

Try using "apply" operator

SQL

SELECT  
	t.Month AS Month ,
    	t.vlera AS Value ,
	tt.column_total AS [sub total] 
FROM    dbo.tblTest t 
cross apply 
	(select sum(vlera) as column_total
	from tblTest
	) as tt 
ORDER BY t.Month

also see the following link for different options:

http://stackoverflow.com/questions/860966/calculate-a-running-total-in-sqlserver[^]

m@dhu · Answer 2 · 2012-01-10T02:55:00

Solution 1

calculating-running-totals-in-sql-server-2005[^]
http://www.sqlteam.com/article/calculating-running-totals[^]

Posted 10-Jan-12 2:55am

m@dhu

palraj001 · Answer 3 · 2012-01-10T03:01:00

Solution 2

try with this query,

SQL

  SELECT a.month,
       a.value,
       SUM(b.value) as cumulativesum
FROM #temp a,
 #temp b
where (b.month <= a.month)
GROUP BY a.month,a.value

regards

pal

Posted 10-Jan-12 3:01am

palraj001

Updated 10-Jan-12 3:04am

v2