--- description: "&= (Bitwise AND Assignment) (Transact-SQL)" title: "&= (Bitwise AND Assignment) (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "01/10/2017" 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, &=" - "&= (bitwise AND equals)" ms.assetid: f374c885-3fee-434a-93fb-dfe6e0bcd100 author: cawrites ms.author: chadam monikerRange: ">=aps-pdw-2016||=azuresqldb-current||=azure-sqldw-latest||>=sql-server-2016||>=sql-server-linux-2017||=azuresqldb-mi-current" --- # &= (Bitwise AND Assignment) (Transact-SQL) [!INCLUDE [sql-asdb-asdbmi-asa-pdw](../../includes/applies-to-version/sql-asdb-asdbmi-asa-pdw.md)] Performs a bitwise logical AND operation between two integer values, and sets a value to the result of the operation. ![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 ```syntaxsql expression &= expression ``` [!INCLUDE[sql-server-tsql-previous-offline-documentation](../../includes/sql-server-tsql-previous-offline-documentation.md)] ## 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 [& (Bitwise AND) (Transact-SQL)](../../t-sql/language-elements/bitwise-and-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) [Bitwise Operators (Transact-SQL)](../../t-sql/language-elements/bitwise-operators-transact-sql.md)