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@@SPID (Transact-SQL)

 

THIS TOPIC APPLIES TO:yesSQL Server (starting with 2008) yesAzure SQL Database yesAzure SQL Data Warehouse yesParallel Data Warehouse

Returns the session ID of the current user process.

Topic link icon Transact-SQL Syntax Conventions


@@SPID
-- Azure SQL Data Warehouse and Parallel Data Warehouse
@@SPID

smallint

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

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 is the result set.

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

This example returns the SQL Data Warehouse 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';

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