dbcc-outputbuffer-transact-sql.md

title	DBCC OUTPUTBUFFER (Transact-SQL)
description	DBCC OUTPUTBUFFER (Transact-SQL)
author	rwestMSFT
ms.author	randolphwest
ms.date	07/16/2017
ms.prod	sql
ms.technology	t-sql
ms.topic	language-reference
f1_keywords	DBCC OUTPUTBUFFER OUTPUTBUFFER_TSQL OUTPUTBUFFER DBCC_OUTPUTBUFFER_TSQL
helpviewer_keywords	DBCC OUTPUTBUFFER statement output buffers current output buffer
dev_langs	TSQL

DBCC OUTPUTBUFFER (Transact-SQL)

[!INCLUDE SQL Server Azure SQL Managed Instance]

Returns the current output buffer in hexadecimal and ASCII format for the specified session_id.

Transact-SQL Syntax Conventions

Syntax

DBCC OUTPUTBUFFER ( session_id [ , request_id ])  
[ WITH NO_INFOMSGS ]  

[!INCLUDEsql-server-tsql-previous-offline-documentation]

Arguments

session_id
Is the session ID associated with each active primary connection.

request_id
Is the exact request (batch) to search for within the current session.
The following query returns request_id:

SELECT request_id   
FROM sys.dm_exec_requests   
WHERE session_id = @@spid;  

WITH
Allows for options to be specified.

NO_INFOMSGS
Suppresses all informational messages that have severity levels from 0 through 10.

Remarks

DBCC OUTPUTBUFFER displays the results sent to the specified client (session_id). For processes that do not contain output streams, an error message is returned.

To show the statement executed that returned the results displayed by DBCC OUTPUTBUFFER, execute DBCC INPUTBUFFER.

Result Sets

DBCC OUTPUTBUFFER returns the following (values may vary):

Output Buffer                                                              
------------------------------------------------------------------------   
01fb8028:  04 00 01 5f 00 00 00 00 e3 1b 00 01 06 6d 00 61  ..._.........m.a  
01fb8038:  00 73 00 74 00 65 00 72 00 06 6d 00 61 00 73 00  .s.t.e.r..m.a.s.  
'...'  
01fb8218:  04 17 00 00 00 00 00 d1 04 18 00 00 00 00 00 d1  ................  
01fb8228:   .  
  
(33 row(s) affected)  
  
DBCC execution completed. If DBCC printed error messages, contact your system administrator.  

Permissions

Requires membership in the sysadmin fixed server role.

Examples

The following example returns current output buffer information for an assumed session ID of 52.

DBCC OUTPUTBUFFER (52);  

See Also

DBCC (Transact-SQL)
sp_who (Transact-SQL)
Trace Flags (Transact-SQL)