Modulo (Transact-SQL)
Returns the remainder of one number divided by another.
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Transact-SQL Syntax Conventions
Syntax
dividend % divisor
Arguments
dividend
Is the numeric expression to divide. dividend must be a valid expression of any one of the data types in the integer and monetary data type categories, or the numeric data type.divisor
Is the numeric expression by which to divide the dividend. divisor must be any valid expression of any one of the data types in the integer and monetary data type categories, or the numeric data type.
Result Types
Determined by data types of the two arguments.
Remarks
The modulo arithmetic operator can be used in the select list of the SELECT statement with any combination of column names, numeric constants, or any valid expression of the integer and monetary data type categories or the numeric data type.
Examples
A. Simple example
The following example divides the number 38 by 5. This results in 7 as the integer portion of the result, and demonstrates how modulo returns the remainder of 3.
SELECT 38 / 5 AS Integer, 38 % 5 AS Remainder ;
B. Example using columns in a table
The following example returns the product ID number, the unit price of the product, and the modulo (remainder) of dividing the price of each product, converted to an integer value, into the number of products ordered.
USE AdventureWorks2012;
GO
SELECT TOP(100)ProductID, UnitPrice, OrderQty,
CAST((UnitPrice) AS int) % OrderQty AS Modulo
FROM Sales.SalesOrderDetail;
GO