---
description: "Operators (Transact-SQL)"
title: "Operators (Transact-SQL) | Microsoft Docs"
ms.custom: ""
ms.date: "06/02/2016"
ms.prod: sql
ms.prod_service: "sql-database"
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ms.technology: t-sql
ms.topic: reference
dev_langs: 
  - "TSQL"
helpviewer_keywords: 
  - "operators [Transact-SQL], about operators"
  - "operators [Transact-SQL]"
ms.assetid: 1fc2de8b-e7e0-4c61-9a02-4776a7d93ab7
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ms.author: chadam
---
# Operators (Transact-SQL)
[!INCLUDE [SQL Server](../../includes/applies-to-version/sqlserver.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.  
  
:::row:::
    :::column:::
        [Arithmetic Operators](../../t-sql/language-elements/arithmetic-operators-transact-sql.md)
    :::column-end:::
    :::column:::
        [Logical Operators](../../t-sql/language-elements/logical-operators-transact-sql.md)
    :::column-end:::
:::row-end:::  
:::row:::
    :::column:::
        [Assignment Operator](../../t-sql/language-elements/assignment-operator-transact-sql.md)
    :::column-end:::
    :::column:::
        [Scope Resolution Operator](../../t-sql/language-elements/scope-resolution-operator-transact-sql.md)
    :::column-end:::
:::row-end:::  
:::row:::
    :::column:::
        [Bitwise Operators](../../t-sql/language-elements/bitwise-operators-transact-sql.md)
    :::column-end:::
    :::column:::
        Set Operators ([EXCEPT and INTERSECT](../../t-sql/language-elements/set-operators-except-and-intersect-transact-sql.md), [UNION](../../t-sql/language-elements/set-operators-union-transact-sql.md))
    :::column-end:::
:::row-end:::  
:::row:::
    :::column:::
        [Comparison Operators](../../t-sql/language-elements/comparison-operators-transact-sql.md)
    :::column-end:::
    :::column:::
        [String Concatenation Operator](../../t-sql/language-elements/string-operators-transact-sql.md)
    :::column-end:::
:::row-end:::  
:::row:::
    :::column:::
        [Compound Operators](../../t-sql/language-elements/compound-operators-transact-sql.md)
    :::column-end:::
    :::column:::
        [Unary Operators](../../t-sql/language-elements/unary-operators-positive.md)
    :::column-end:::
:::row-end:::
 
## See Also  
 [Operator Precedence (Transact-SQL)](../../t-sql/language-elements/operator-precedence-transact-sql.md)