SQL Arithmetic Operators

The SQL Arithmetic Operators are used to perform Arithmetic operations such as Addition, Subtraction, Multiplication and Division on given Data. Following table shows the list of available Arithmetic operators in SQL Server.

Arithmetic Operators	Operation	Example
+	Addition	DECLARE @A INT, @B INT SET @A = 10 SET @B = 2 SELECT @A + @B AS Total = 12
–	Subtraction	SELECT @A – @B AS Total (10 – 2 = 8)
*	Multiplication	SELECT @A * @B AS Total (10 * 2 = 20)
/	Division	SELECT @A / @B AS Total (10 / 2 = 5)
%	Modulus – It returns the remainder after the division	SELECT @A % @B AS Total =0 because 10%2 = 0 (Here remainder is zero). If it is 10 % 3 then it will be 1.

In this article we will show you, How to use these Arithmetic Operators in SQL Server with examples. For this, We are going to use the below shown data

SQL + Operator (Addition)

In SQL Server, Addition Operator is useful in multiple ways. If we use the addition operator on Numerical data then it will add those values and provide the integer output. If we used the Addition operator in between two strings then it will combine them and provide string output. For example, The following query will combine the [EnglishProductName] and [Color] columns

T-SQL CODE

NOTE: ‘-‘ is added between the product name and color

OUTPUT

Let us see, How to perform Addition on Numerical Data. For example, We want to increase the standard cost of each product then we can use this addition operator to add the constant value.

T-SQL CODE

Above SQL Query is adding 2.25 to the standard cost of every product present in the Product Sales table

OUTPUT

SQL – Operator ( Subtraction )

The Subtract Operator is used to subtract one value from the other. For example, The following query will calculate the Profit Margin by subtracting the standard cost from the dealer price.

T-SQL CODE

OUTPUT

SQL * Operator (Multiplication)

The Multiplication Operator is used to Multiply one value with the other. For example, The following query will calculate the Tax for late payments.

T-SQL CODE

Here we are multiplying the original Tax amount with 2.

OUTPUT

SQL / Operator (Division)

The Division Operator is used to Divide one value with the other. For example, The following query will calculate the percentage of Tax we are paying for each individual product.

T-SQL CODE

OUTPUT

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