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dbcc-help-transact-sql.md

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title description author ms.author ms.date ms.service ms.subservice ms.topic f1_keywords helpviewer_keywords dev_langs
DBCC HELP (Transact-SQL)
DBCC HELP returns syntax information for the specified DBCC command.
rwestMSFT
randolphwest
12/05/2022
sql
t-sql
reference
DBCC HELP
DBCC_HELP_TSQL
DBCC statement syntax information
DBCC HELP statement
TSQL

DBCC HELP (Transact-SQL)

[!INCLUDE SQL Server Azure SQL Managed Instance]

Returns syntax information for the specified DBCC command.

:::image type="icon" source="../../includes/media/topic-link-icon.svg" border="false"::: Transact-SQL syntax conventions

Syntax

DBCC HELP ( 'dbcc_statement' | @dbcc_statement_var | '?' )
[ WITH NO_INFOMSGS ]

Arguments

dbcc_statement | @dbcc_statement_var

The name of the DBCC command for which to receive syntax information. Provide only the part of the DBCC command that follows DBCC, for example, CHECKDB instead of DBCC CHECKDB.

'?'

Returns all DBCC commands for which help is available.

WITH NO_INFOMSGS

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

Result sets

DBCC HELP returns a result set displaying the syntax for the specified DBCC command.

Permissions

Requires membership in the sysadmin fixed server role.

Examples

A. Use DBCC HELP with a variable

The following example returns syntax information for DBCC CHECKDB:

DECLARE @dbcc_stmt sysname;
SET @dbcc_stmt = 'CHECKDB';
DBCC HELP (@dbcc_stmt);
GO

B. Use DBCC HELP with the '?' option

The following example returns all DBCC statements for which help is available.

DBCC HELP ('?');
GO

See also