Contains a row for each data space that is a filegroup.
|Column name||Data type||Description|
|<inherited columns>||--||For a list of columns that this view inherits, see sys.data_spaces (Transact-SQL).|
|filegroup_guid||uniqueidentifier||GUID for the filegroup.
NULL = PRIMARY filegroup
|log_filegroup_id||int||Identified for informational purposes only. Not supported. Future compatibility is not guaranteed. In SQL Server, the value is NULL.|
|is_read_only||bit||1 = Filegroup is read-only.
0 = Filegroup is read/write.
1 = When a file in the filegroup meets the autogrow threshold, all files in the filegroup grow.
0 = When a file in the filegroup meets the autogrow threshold, only that file grows. This is the default.
Requires membership in the public role. For more information, see Metadata Visibility Configuration.