/= (Division Assignment) (Transact-SQL)

Article
11/22/2024

Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric SQL database in Microsoft Fabric

Divides one number by another and sets a value to the result of the operation. For example, if a variable @x equals 34, then @x /= 2 takes the original value of @x, divides by 2 and sets @x to that new value (17).

Transact-SQL syntax conventions

Syntax

syntaxsql

expression /= expression

Arguments

expression
Is any valid expression of any one of the data types in the numeric category except the bit data type.

Result Types

Returns the data type of the argument with the higher precedence. For more information, see Data Type Precedence (Transact-SQL).

Remarks

For more information, see (Division) (Transact-SQL).

Examples

The following example, sets a variable to 17. Then uses the /= operator to set the variable to half of it's original value.

SQL

DECLARE @myVariable DECIMAL(5,2);
SET @myVariable = 17.5;
SET @myVariable /= 2;
SELECT @myVariable AS ResultVariable;

Here's the result set.

ResultVariable
8.75

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