---
title: "Operators (Transact-SQL)"
description: "Operators (Transact-SQL)"
author: rwestMSFT
ms.author: randolphwest
ms.reviewer: ""
ms.date: "06/02/2016"
ms.prod: sql
ms.prod_service: "sql-database"
ms.technology: t-sql
ms.topic: reference
ms.custom: ""
helpviewer_keywords:
  - "operators [Transact-SQL], about operators"
  - "operators [Transact-SQL]"
dev_langs:
  - "TSQL"
---
# Operators (Transact-SQL)
[!INCLUDE [SQL Server Azure SQL Managed Instance](../../includes/applies-to-version/sql-asdbmi.md)]

  An operator is a symbol specifying an action that is performed on one or more expressions. The following table 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:::
        [Relational operators](../../t-sql/language-elements/relational-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:::
:::row:::
    :::column:::
        [Logical operators](../../t-sql/language-elements/logical-operators-transact-sql.md)
    :::column-end:::
:::row-end:::
 
## See also  
 [Operator precedence (Transact-SQL)](../../t-sql/language-elements/operator-precedence-transact-sql.md)