filegroup-id-transact-sql.md

description	FILEGROUP_ID (Transact-SQL)
title	FILEGROUP_ID (Transact-SQL) | Microsoft Docs
ms.custom
ms.date	03/03/2017
ms.prod	sql
ms.prod_service	sql-database
ms.reviewer
ms.technology	t-sql
ms.topic	reference
f1_keywords	FILEGROUP_ID_TSQL FILEGROUP_ID
dev_langs	TSQL
helpviewer_keywords	FILEGROUP_ID function identification numbers [SQL Server], filegroups filegroups [SQL Server], IDs IDs [SQL Server], filegroups names [SQL Server], filegroups
ms.assetid	852a76d8-9e61-4a31-84ee-c7edb84a061c
author	cawrites
ms.author	chadam

FILEGROUP_ID (Transact-SQL)

[!INCLUDE SQL Server]

This function returns the filegroup identification (ID) number for a specified filegroup name.

Transact-SQL Syntax Conventions

Syntax

FILEGROUP_ID ( 'filegroup_name' )   

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

Arguments

filegroup_name An expression of type sysname, representing the filegroup name whose filegroup ID FILEGROUP_ID will return.

Return Types

int

Remarks

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

Examples

This 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)