Current Row + Sum of Previous Rows SQL Server

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          In This Section, We See About How To Calculate Previous Row Sum value + Next Rows Values in SQL Server. We Sum Values One by One Orderly. 



Table


SQL

;WITH cte
AS
(
   SELECT ID,Prod,Value Val ,SUM(Value) Valsum
   FROM mData
   gROUP BY ID,Prod,Value
 
), cteRanked AS
(
   SELECT Valsum, ID,Prod, ROW_NUMBER() OVER(ORDER BY Id) rownum
   FROM cte
)

SELECT (SELECT SUM(Valsum) FROM cteRanked c2 WHERE c2.rownum <= c1.rownum )
AS Value,ID,Prod
FROM cteRanked c1;

Result:





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