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title: "&= (Bitwise AND EQUALS) (Transact-SQL) | Microsoft Docs"
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# &= (Bitwise AND EQUALS) (Transact-SQL)
[!INCLUDE[tsql-appliesto-ss2008-all_md](../../includes/tsql-appliesto-ss2008-all-md.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  
  
```  
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 [& (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)