--- title: "*= (Multiplication Assignment) (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "03/06/2017" ms.prod: "sql" ms.prod_service: "database-engine, sql-database, sql-data-warehouse, pdw" ms.service: "" ms.component: "t-sql|language-elements" ms.reviewer: "" ms.suite: "sql" ms.technology: - "database-engine" ms.tgt_pltfrm: "" ms.topic: "language-reference" f1_keywords: - "*=_TSQL" - "*=" dev_langs: - "TSQL" helpviewer_keywords: - "compound operators, *=" - "assignment operators, *=" - "augmented operators, *=" - "*= (multiply equals)" - "*= (multiplication assignment)" ms.assetid: 816ff5dc-9a40-4c07-8351-39c194dbc079 caps.latest.revision: 12 author: "douglaslMS" ms.author: "douglasl" manager: "craigg" ms.workload: "Inactive" monikerRange: ">= aps-pdw-2016 || = azuresqldb-current || = azure-sqldw-latest || >= sql-server-2016 || = sqlallproducts-allversions" --- # *= (Multiplication Assignment) (Transact-SQL) [!INCLUDE[tsql-appliesto-ss2008-all_md](../../includes/tsql-appliesto-ss2008-all-md.md)] Multiplies two numbers and sets a value to the result of the operation. For example, if a variable @x equals 35, then @x *= 2 takes the original value of @x, multiplies by 2 and sets @x to that new value (70). ![Topic link icon](../../database-engine/configure-windows/media/topic-link.gif "Topic link icon") [Transact-SQL Syntax Conventions](../../t-sql/language-elements/transact-sql-syntax-conventions-transact-sql.md) ## Syntax ``` expression *= expression ``` ## Arguments *expression* Is any valid [expression](../../t-sql/language-elements/expressions-transact-sql.md) 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)](../../t-sql/data-types/data-type-precedence-transact-sql.md). ## Remarks For more information, see [* (Multiplication) (Transact-SQL)](../../t-sql/language-elements/multiply-transact-sql.md). ## See Also [Compound Operators (Transact-SQL)](../../t-sql/language-elements/compound-operators-transact-sql.md) [Expressions (Transact-SQL)](../../t-sql/language-elements/expressions-transact-sql.md) [Operators (Transact-SQL)](../../t-sql/language-elements/operators-transact-sql.md)