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09/24/2010

DeleteBackupHistory 方法 (DateTime)

Deletes the backup history for this instance of SQL Server up until the specified date and time.

命名空間： Microsoft.SqlServer.Management.Smo
組件： Microsoft.SqlServer.Smo (在 Microsoft.SqlServer.Smo.dll 中)

語法

'宣告
Public Sub DeleteBackupHistory ( _
    oldestDate As DateTime _
)
'用途
Dim instance As Server
Dim oldestDate As DateTime

instance.DeleteBackupHistory(oldestDate)

public void DeleteBackupHistory(
    DateTime oldestDate
)

public:
void DeleteBackupHistory(
    DateTime oldestDate
)

member DeleteBackupHistory : 
        oldestDate:DateTime -> unit

public function DeleteBackupHistory(
    oldestDate : DateTime
)

參數

oldestDate
型別：System. . :: . .DateTime
A DateTime system object value that specifies the date and time before which to delete the backup history.

備註

Use this method to remove old backup history logs from the instance of SQL Server. Backup history that is older than the date specified will be removed from the instance of SQL Server.

範例

'Connect to the local, default instance of SQL Server.
Dim srv1 As Server
srv1 = New Server

'Delete the backup history before the date specified.
Dim odt As DateTime
odt = New DateTime(2005, 12, 12)
srv1.DeleteBackupHistory(odt)