USE MASTER SELECT cast ((1.0 * stats.io_stall_write_ms / stats.num_of_writes) as int) FROM sys.dm_io_virtual_file_stats(2,null) as stats INNER JOIN master.sys.master_files AS files ON stats.database_id = files.database_id AND stats.file_id = files.file_id WHERE files.type_desc = 'ROWS'