Calculate Running Total, Total of a Column and Row
Many times, you required to show information on each transaction and also keep a Running Total and Final Total like GridView in Asp.Net. In this article, I am going to explain, how can you achieve this using SQL Query in a simple and easy way.
Suppose you have the below CustomerOrders table and has the data as shown below:
CREATE TABLE CustomerOrders ( OrderID int identity, Amount Decimal(8,2), OrderDate SmallDatetime default getdate() ) Go INSERT INTO CustomerOrders(Amount) Values(120.12) INSERT INTO CustomerOrders(Amount) Values(20.12) INSERT INTO CustomerOrders(Amount) Values(10.12) INSERT INTO CustomerOrders(Amount) Values(30.12) INSERT INTO CustomerOrders(Amount) Values(40) GO SELECT * FROM CustomerOrders
Calculating Running Total
Let's see how to calculate the running total using SQL Query as given below:
select OrderID, OrderDate, CO.Amount ,(select sum(Amount) from CustomerOrders where OrderID <= CO.OrderID) 'Running Total' from CustomerOrders CO
Calculating Final Total
Let's see how to calculate the final total using ROLLUP within SQL Query as given below:
SELECT OrderID, SUM(Amount) AS Amount FROM CustomerOrders GROUP BY OrderID WITH ROLLUP
Calculating Total of All Numeric columns in a row
Let's see how to calculate the total of all numeric fields within a row using SQL Query as given below:
SELECT OrderID, Amount, SUM(OrderID+Amount) AS RowNumericColSum FROM CustomerOrders GROUP BY OrderID,Amount ORDER BY OrderID
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What do you think?
I hope you will enjoy the tips while writing a query in SQL Server. I would like to have feedback from my blog readers. Your valuable feedback, question, or comments about this article are always welcome.
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