servicename-transact-sql.md

title	@@SERVICENAME (Transact-SQL) | Microsoft Docs
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ms.date	09/18/2017
ms.prod	sql-non-specified
ms.prod_service	sql-database
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ms.component	t-sql|functions
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ms.suite	sql
ms.technology	database-engine
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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]
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author	edmacauley
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@@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.

[!INCLUDEssMIlimitation]

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