filegroup-id-transact-sql.md

title	FILEGROUP_ID (Transact-SQL) | Microsoft Docs
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ms.date	03/03/2017
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f1_keywords	FILEGROUP_ID_TSQL FILEGROUP_ID
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helpviewer_keywords	FILEGROUP_ID function identification numbers [SQL Server], filegroups filegroups [SQL Server], IDs IDs [SQL Server], filegroups names [SQL Server], filegroups
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FILEGROUP_ID (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2008-xxxx-xxxx-xxx_md]

Returns the filegroup identification (ID) number for a specified filegroup name.

Transact-SQL Syntax Conventions

Syntax

  
FILEGROUP_ID ( 'filegroup_name' )   

Arguments

' filegroup_name '
Is an expression of type sysname that represents the filegroup name for which to return the filegroup ID.

Return Types

int

Remarks

filegroup_name corresponds to the name column in the sys.filegroups catalog view.

Examples

The following example returns the filegroup ID for the filegroup named PRIMARY in the [!INCLUDEssSampleDBnormal] database.

  
SELECT FILEGROUP_ID('PRIMARY') AS [Filegroup ID];  
GO  

[!INCLUDEssResult]

Filegroup ID

------------

1

(1 row(s) affected)

See Also

FILEGROUP_NAME (Transact-SQL)
Metadata Functions (Transact-SQL)
sys.filegroups (Transact-SQL)