@@SERVICENAME (Transact-SQL)
Returns the name of the registry key under which SQL Server 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.
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Transact-SQL Syntax Conventions
Syntax
@@SERVICENAME
Return Types
nvarchar
Remarks
SQL Server runs as a service named MSSQLServer.
Examples
The following example shows using @@SERVICENAME.
SELECT @@SERVICENAME AS 'Service Name'
Here is the result set.
Service Name
------------------------------
MSSQLSERVER
See Also
Reference
Configuration Functions (Transact-SQL)
Other Resources
Managing the Database Engine Services