---
title: "Operators (Transact-SQL) | Microsoft Docs"
ms.custom: ""
ms.date: "06/02/2016"
ms.prod: "sql"
ms.prod_service: "sql-database"
ms.service: ""
ms.component: "t-sql|language-elements"
ms.reviewer: ""
ms.suite: "sql"
ms.technology: 
  - "database-engine"
ms.tgt_pltfrm: ""
ms.topic: "language-reference"
dev_langs: 
  - "TSQL"
helpviewer_keywords: 
  - "operators [Transact-SQL], about operators"
  - "operators [Transact-SQL]"
ms.assetid: 1fc2de8b-e7e0-4c61-9a02-4776a7d93ab7
caps.latest.revision: 30
author: "douglaslMS"
ms.author: "douglasl"
manager: "craigg"
ms.workload: "Active"
---
# Operators (Transact-SQL)
[!INCLUDE[tsql-appliesto-ss2008-xxxx-xxxx-xxx-md](../../includes/tsql-appliesto-ss2008-xxxx-xxxx-xxx-md.md)]

  An operator is a symbol specifying an action that is performed on one or more expressions. The following tables lists the operator categories that [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] uses.  
  
|||  
|-|-|  
|[Arithmetic Operators](../../t-sql/language-elements/arithmetic-operators-transact-sql.md)|[Logical Operators](../../t-sql/language-elements/logical-operators-transact-sql.md)|  
|[Assignment Operator](../../t-sql/language-elements/assignment-operator-transact-sql.md)|[Scope Resolution Operator](../../t-sql/language-elements/scope-resolution-operator-transact-sql.md)|  
|[Bitwise Operators](../../t-sql/language-elements/bitwise-operators-transact-sql.md)|[Set Operators](http://msdn.microsoft.com/library/1aa4c424-b92c-4409-a1c7-34a0264ee107)|  
|[Comparison Operators](../../t-sql/language-elements/comparison-operators-transact-sql.md)|[String Concatenation Operator](../../t-sql/language-elements/string-operators-transact-sql.md)|  
|[Compound Operators](../../t-sql/language-elements/compound-operators-transact-sql.md)|[Unary Operators](http://msdn.microsoft.com/library/c4748146-4049-4040-8826-56c464410878)|  
  
## See Also  
 [Operator Precedence (Transact-SQL)](../../t-sql/language-elements/operator-precedence-transact-sql.md)