servicename-transact-sql.md

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