Backup.ExpirationDate 属性
Gets or sets the date and time when the backup set expires and the backup data is no longer considered relevant.
命名空间： Microsoft.SqlServer.Management.Smo
程序集： Microsoft.SqlServer.SmoExtended（在 Microsoft.SqlServer.SmoExtended.dll 中）
语法
声明
Public Property ExpirationDate As DateTime
Get
Set
用法
Dim instance As Backup
Dim value As DateTime
value = instance.ExpirationDate
instance.ExpirationDate = value
public DateTime ExpirationDate { get; set; }
public:
property DateTime ExpirationDate {
DateTime get ();
void set (DateTime value);
}
member ExpirationDate : DateTime with get, set
function get ExpirationDate () : DateTime
function set ExpirationDate (value : DateTime)
属性值
类型：System.DateTime
A DateTime object value that specifies the expiration date. By default, the value is unspecified.
注释
The ExpirationDate property is valid only for backup data stored on disk or tape devices. Backup sets older than the expiration date can be overwritten by a later backup.
示例
VB
'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server
'Reference the AdventureWorks2012 database.
Dim db As Database
db = srv.Databases("AdventureWorks2012")
Dim bk As New Backup
bk.Action = BackupActionType.Database
bk.Database = "AdventureWorks2012"
Dim backupdate As New Date
backupdate = New Date(2006, 10, 5)
bk.ExpirationDate = backupdate
PowerShell
$srv = new-Object Microsoft.SqlServer.Management.Smo.Server("(local)")
$db = New-Object Microsoft.SqlServer.Management.Smo.Database
$db = $srv.Databases.Item("AdventureWorks2012")
$bk = new-object Microsoft.SqlServer.Management.Smo.Backup
$bk.Action = [Microsoft.SqlServer.Management.Smo.BackupActionType]::Database
$bk.Database = "AdventureWorks2012"
$backupDate = new-object System.DateTime(2006, 10, 5)
$bk.ExpirationDate = $backupDate
请参阅
参考
Microsoft.SqlServer.Management.Smo 命名空间