filegroup-id-transact-sql.md

title	FILEGROUP_ID (Transact-SQL)
description	FILEGROUP_ID (Transact-SQL)
author	markingmyname
ms.author	maghan
ms.date	03/03/2017
ms.service	sql
ms.subservice	t-sql
ms.topic	reference
f1_keywords	FILEGROUP_ID_TSQL FILEGROUP_ID
helpviewer_keywords	FILEGROUP_ID function identification numbers [SQL Server], filegroups filegroups [SQL Server], IDs IDs [SQL Server], filegroups names [SQL Server], filegroups
dev_langs	TSQL

FILEGROUP_ID (Transact-SQL)

[!INCLUDE SQL Server Azure SQL Managed Instance]

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

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

Syntax

FILEGROUP_ID ( 'filegroup_name' )   

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)