sp_helpdevice (Transact-SQL)
Reports information about Microsoft® SQL Server™ backup devices.
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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. We recommend that you use the sys.backup_devices catalog view instead |
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Transact-SQL Syntax Conventions
Składnia
sp_helpdevice [ [ @devname = ] 'name' ]
Arguments
- [ @devname = ] 'name'
Is the name of the backup device for which information is reported. The value of name is always sysname.
Return Code Values
0 (success) or 1 (failure)
Result Sets
Column name |
Data type |
Description |
|---|---|---|
device_name |
sysname |
Logical device name. |
physical_name |
nvarchar(260) |
Physical file name. |
description |
nvarchar(255) |
Description of the device. |
status |
int |
A number that corresponds to the status description in the description column. |
cntrltype |
smallint |
Controller type of the device: 2 = Disk device 5 = Tape device |
size |
int |
Device size in 2-KB pages. |
Uwagi
If name is specified, sp_helpdevice displays information about the specified dump device. If name is not specified, sp_helpdevice displays information about all dump devices in the sys.backup_devices catalog view.
Dump devices are added to the system by using sp_addumpdevice.
Permissions
Requires membership in the public role.
Examples
The following example reports information about all dump devices on an instance of SQL Server.
EXEC sp_helpdevice;
Zobacz także
Odwołanie
sp_addumpdevice (Transact-SQL)