FILEGROUPPROPERTY (Transact-SQL)
Applies to: 
SQL Server
Azure SQL Managed Instance
This function returns the filegroup property value for a specified name and filegroup value.
Transact-SQL syntax conventions
Syntax
FILEGROUPPROPERTY ( filegroup_name, property )
Arguments
filegroup_name
An expression of type sysname that represents the filegroup name for which FILEGROUPPROPERTY returns the named property information.
property
An expression of type varchar(128) that returns the name of the filegroup property. Property can return one of these values:
| Value | Description | Value returned |
|---|---|---|
| IsReadOnly | Filegroup is read-only. | 1 = TRUE 0 = FALSE NULL = Invalid input. |
| IsUserDefinedFG | Filegroup is a user-defined filegroup. | 1 = TRUE 0 = FALSE NULL = Invalid input. |
| IsDefault | Filegroup is the default filegroup. | 1 = TRUE 0 = FALSE NULL = Invalid input. |
Return Types
int
Remarks
filegroup_name corresponds to the name column from the sys.filegroups catalog view.
Examples
This example returns the IsDefault property setting for the primary filegroup in the AdventureWorks2022 database.
SELECT FILEGROUPPROPERTY('PRIMARY', 'IsDefault') AS 'Default Filegroup';
GO
Here's the result set.
Default Filegroup
---------------------
1
(1 row(s) affected)
See Also
FILEGROUP_ID (Transact-SQL)
FILEGROUP_NAME (Transact-SQL)
Metadata Functions (Transact-SQL)
SELECT (Transact-SQL)
sys.filegroups (Transact-SQL)