servicename-transact-sql.md

title	@@SERVICENAME (Transact-SQL)
description	@@SERVICENAME (Transact-SQL)
author	VanMSFT
ms.author	vanto
ms.date	09/18/2017
ms.service	sql
ms.subservice	t-sql
ms.topic	reference
f1_keywords	@@SERVICENAME_TSQL @@SERVICENAME
helpviewer_keywords	@@SERVICENAME function names [SQL Server], registry keys registry keys [SQL Server]
dev_langs	TSQL
monikerRange	= azuresqldb-mi-current || >= sql-server-2016 || >= sql-server-linux-2017

@@SERVICENAME (Transact-SQL)

[!INCLUDE SQL Server - ASDBMI]

Returns the name of the registry key under which [!INCLUDEssNoVersion] is running. @@SERVICENAME returns 'MSSQLSERVER' if the current instance is the default instance; this function returns the instance name if the current instance is a named instance.

:::image type="icon" source="../../includes/media/topic-link-icon.svg" border="false"::: Transact-SQL syntax conventions

Syntax

@@SERVICENAME  

Return Types

nvarchar

Remarks

[!INCLUDEssNoVersion] runs as a service named MSSQLServer.

Examples

The following example shows using @@SERVICENAME.

SELECT @@SERVICENAME AS 'Service Name';  

[!INCLUDEssResult]

Service Name                    
------------------------------  
MSSQLSERVER                     

See Also

Configuration Functions (Transact-SQL)
Manage the Database Engine Services