The Art of SQL Server FILESTREAM - Red Gate Software

Chapter 9: Investigating FILESTREAM Databasessys.partitionsThis view contains a row for each partition of all the tables and indexes in the givendatabase. One of the columns in this view is filestream_filegroup_id, which pointsto the filegroup ID in the sys.filegroups table.sys.data_spacesThis view returns a row for every filegroup, partition schema, and FILESTREAM filegroup.The query in Listing 9-2 retrieves all the FILESTREAM filegroups in the current database.SELECT*FROM sys.data_spacesWHERE type_desc = 'FILESTREAM_DATA_FILEGROUP'/*name data_space_id type type_desc is_default------------ ------------- ---- ------------------------- ----------NorthPole_fs 2 FD FILESTREAM_DATA_FILEGROUP 1*/Listing 9-2:Retrieving all the FILESTREAM filegroups in the current database.The following columns of this view are related to the FILESTREAM feature.• name – The name of the filegroup, partition schema, or FILESTREAM filegroup.• data_space_id – The unique data space ID.• type – The type of data space. For FILESTREAM filegroups, this will be set to FD.• type_desc – A description of the data space. For FILESTREAM filegroups, this willbe FILESTREAM_DATA_FILEGROUP.• is_default – If the filegroup is marked as the default filegroup, this will be set to 1.333