sys.sysdevices (Transact-SQL)

THIS TOPIC APPLIES TO:yesSQL Server (starting with 2008)noAzure SQL DatabasenoAzure SQL Data Warehouse noParallel Data Warehouse

Contains one row for each disk backup file, tape backup file, and database file.


This SQL Server 2000 system table is included as a view for backward compatibility. We recommend that you use the current SQL Server system views instead. To find the equivalent system view or views, see Mapping System Tables to System Views (Transact-SQL). This feature will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work, and plan to modify applications that currently use this feature.

Column name Data type Description
name sysname Logical name of the backup file or database file.
size int Size of the file in 2-kilobyte (KB) pages.
low int Maintained for backward compatibility only.
high int Maintained for backward compatibility only.
status smallint Bitmap indicating the type of device:

1 = Default disk

2 = Physical disk

4 = Logical disk

8 = Skip header

16 = Backup file

32 = Serial writes

4096 = Read-only
cntrltype smallint Controller type:

0 = Non-CD-ROM database file

2 = Disk backup file

3 - 4 = Diskette backup file

5 = Tape backup file

6 = Named-pipe file
phyname nvarchar(260) Name of the physical file.

See Also

Mapping System Tables to System Views (Transact-SQL)
Compatibility Views (Transact-SQL)