@@SPID (Transact-SQL)

Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW)

Returns the session ID of the current user process.

Transact-SQL syntax conventions

Syntax

@@SPID  

Return Types

smallint

Remarks

@@SPID can be used to identify the current user process in the output of sp_who.

Examples

This example returns the session ID, login name, and user name for the current user process.

SELECT @@SPID AS 'ID', SYSTEM_USER AS 'Login Name', USER AS 'User Name';  

Here's the result set.

ID     Login Name                     User Name                       
------ ------------------------------ ------------------------------  
54     SEATTLE\joanna                 dbo                             

Examples: Azure Synapse Analytics and Analytics Platform System (PDW)

This example returns the Azure Synapse Analytics session ID, the SQL Server Control node session ID, login name, and user name for the current user process.

SELECT SESSION_ID() AS ID, @@SPID AS 'Control ID', SYSTEM_USER AS 'Login Name', USER AS 'User Name';  

See Also

Configuration Functions
sp_lock (Transact-SQL)
sp_who