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This SQL Server tutorial explains how to use the USER_NAME function in SQL Server (Transact-SQL) with syntax and examples.

Description

In SQL Server (Transact-SQL), the USER_NAME function returns the user name in the SQL Server database.

Syntax

The syntax for the USER_NAME function in SQL Servers (Transact-SQL) is:

USER_NAME( [ identification_number ] )

Parameters or Arguments

identification_number

Optional. The identification number associated with a user in SQL Server.

Note

• If the identification_number is specified, the USER_NAME function will return the user name for that identification_number.
• If the identification_number is not provided, the USER_NAME function will return the current user in SQL Servers in the given context.
• See also the CURRENT_USER, SESSION_USER, SYSTEM_USER functions.

Applies To

The USER_NAME functions can be used in the following versions of SQL Server (Transact-SQL):

• SQL Server 2017, SQL Server 2016, SQL Server 2014, SQL Server 2012, SQL Server 2008 R2, SQL Server 2008, SQL Server 2005

Example

Let’s look at some SQL Server USER_NAME function examples and explore how to use the USER_NAME function in SQL Servers (Transact-SQL).

For example:

SELECT USER_NAME();
Result: 'dbo'

SELECT USER_NAME(12);
Result: 'jsmith'