Backup.LogTruncation 属性

Gets or sets the method used to truncate the database log as part of the backup operation.

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 LogTruncation As BackupTruncateLogType 
    Get 
    Set
用法
Dim instance As Backup 
Dim value As BackupTruncateLogType 

value = instance.LogTruncation

instance.LogTruncation = value
public BackupTruncateLogType LogTruncation { get; set; }
public:
property BackupTruncateLogType LogTruncation {
    BackupTruncateLogType get ();
    void set (BackupTruncateLogType value);
}
member LogTruncation : BackupTruncateLogType with get, set
function get LogTruncation () : BackupTruncateLogType 
function set LogTruncation (value : BackupTruncateLogType)

属性值

类型:Microsoft.SqlServer.Management.Smo.BackupTruncateLogType
A BackupTruncateLogType object value that specifies the log truncation option that has been selected. By default, the value is set to Truncate.

注释

You can use the BackupTruncateLogType object to select one of the following log truncation options:

  • Truncate only. The log is truncated and is not backed up.

  • No truncate. The log is backed up and is not truncated.

  • Truncate (default). The log is backed up, and is then truncated.

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"
bk.LogTruncation = BackupTruncateLogType.Truncate

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"
$bk.LogTruncation = [Microsoft.SqlServer.Management.Smo.BackupTruncateLogType]::Truncate

请参阅

参考

Backup 类

Microsoft.SqlServer.Management.Smo 命名空间

其他资源

BACKUP (Transact-SQL)

备份和还原数据库和事务日志