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Devices Property

后续版本的 Microsoft SQL Server 将删除该功能。请避免在新的开发工作中使用该功能，并着手修改当前还在使用该功能的应用程序。

The Devices property specifies one or more backup devices used as a database backup target or restore source.

语法

object
.Devices [=value]

Parts

  • object
    An expression that evaluates to an object in the Applies To list

  • value
    A SQL Distributed Management Objects (SQL-DMO) multistring that specifies backup devices by name

Data Type

String

Modifiable

Read/write

Prototype (C/C++)

HRESULT GetDevices(SQLDMO_LPBSTR pRetVal);
HRESULT SetDevices(SQLDMO_LPCSTR NewValue);
注意注意

SQL-DMO strings are always returned as OLE BSTR objects. A C/C++ application obtains a reference to the string. The application must release the reference using SysFreeString.

注释

The backup medium for a backup or restore operation is specified using either the Devices, Files, Pipes, or Tapes properties. Only one medium type can be specified for any backup or restore operation, but multiple media (of the same type) may be specified.

Set the Devices property to specify one or more Microsoft SQL Server backup devices as the backup medium. Specify more than a single database file to stripe the backup operation or restore from a striped backup set.

For more information about setting multistring parameters, see Using SQL-DMO Multistrings.

请参阅

参考

Files Property

Tapes Property