spid-transact-sql.md

title	@@SPID (Transact-SQL)
description	@@SPID (Transact-SQL)
author	MikeRayMSFT
ms.author	mikeray
ms.date	09/18/2017
ms.service	sql
ms.subservice	t-sql
ms.topic	reference
ms.custom	ignite-2025
f1_keywords	@@SPID @@SPID_TSQL
helpviewer_keywords	@@SPID function session_id server process IDs [SQL Server] IDs [SQL Server], user processes SPID session IDs [SQL Server] process ID of current user process
dev_langs	TSQL
monikerRange	>=aps-pdw-2016 || =azuresqldb-current || =azure-sqldw-latest || >=sql-server-2016 || >=sql-server-linux-2017 || =azuresqldb-mi-current || =fabric-sqldb

@@SPID (Transact-SQL)

[!INCLUDE sql-asdb-asdbmi-asa-pdw-fabricsqldb]

Returns the session ID of the current user process.

:::image type="icon" source="../../includes/media/topic-link-icon.svg" border="false"::: 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';  

[!INCLUDEssResult]

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

Examples: [!INCLUDEssazuresynapse-md] and [!INCLUDEssPDW]

This example returns the [!INCLUDEssazuresynapse-md] session ID, the [!INCLUDEssNoVersion] 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