servicename-transact-sql.md

title	@@SERVICENAME (Transact-SQL) | Microsoft Docs
ms.custom
ms.date	09/18/2017
ms.prod	sql
ms.prod_service	sql-database
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ms.technology	t-sql
ms.topic	language-reference
f1_keywords	@@SERVICENAME_TSQL @@SERVICENAME
dev_langs	TSQL
helpviewer_keywords	@@SERVICENAME function names [SQL Server], registry keys registry keys [SQL Server]
ms.assetid	5b0b35be-50ae-411d-a607-bf7464b73624
author	MashaMSFT
ms.author	mathoma
manager	craigg
monikerRange	=azuresqldb-mi-current||>=sql-server-2016||=sqlallproducts-allversions||>=sql-server-linux-2017

@@SERVICENAME (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2008-asdbmi-xxxx-xxx-md]

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.

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