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description /= (Division Assignment) (Transact-SQL)
title (Division Assignment) (Transact-SQL) | Microsoft Docs
ms.custom
ms.date 09/12/2017
ms.prod sql
ms.prod_service database-engine, sql-database, sql-data-warehouse, pdw
ms.reviewer
ms.technology t-sql
ms.topic reference
f1_keywords
/=_TSQL
/=
dev_langs
TSQL
helpviewer_keywords
compound operators, /=
assignment operators, /=
augmented operators, /=
/= (divide equals)
ms.assetid 9ab25d1e-5c98-4dd7-b2cd-9f49499c86e7
author cawrites
ms.author chadam
monikerRange >=aps-pdw-2016||=azuresqldb-current||=azure-sqldw-latest||>=sql-server-2016||>=sql-server-linux-2017||=azuresqldb-mi-current

/= (Division Assignment) (Transact-SQL)

[!INCLUDE sql-asdb-asdbmi-asa-pdw]

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).

Topic link icon Transact-SQL Syntax Conventions

Syntax

expression /= expression

[!INCLUDEsql-server-tsql-previous-offline-documentation]

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.

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

[!INCLUDEssresult-md]

ResultVariable
8.75

See Also

Compound Operators (Transact-SQL)
Expressions (Transact-SQL)
Operators (Transact-SQL)