Classe BackupRestoreBase

The BackupRestoreBase class is a base class that represents functionality that is common to both backup and restore operations.

Hiérarchie d'héritage

System. . :: . .Object
  Microsoft.SqlServer.Management.Smo..::..BackupRestoreBase
    Microsoft.SqlServer.Management.Smo. . :: . .Backup
    Microsoft.SqlServer.Management.Smo. . :: . .Restore

Espace de noms :  Microsoft.SqlServer.Management.Smo
Assembly :  Microsoft.SqlServer.SmoExtended (en Microsoft.SqlServer.SmoExtended.dll)

Syntaxe

'Déclaration
Public Class BackupRestoreBase
'Utilisation
Dim instance As BackupRestoreBase

public class BackupRestoreBase

public ref class BackupRestoreBase

type BackupRestoreBase =  class end

public class BackupRestoreBase

Le type BackupRestoreBase expose les membres suivants.

Constructeurs

	Nom	Description
	BackupRestoreBase	Initializes a new instance of the BackupRestoreBase class.

Haut de la page

Propriétés

	Nom	Description
	AsyncStatus	Gets the asynchronous status of a backup or restore process.
	BlockSize	Gets or sets the physical block size of the backup or restore, in bytes.
	BufferCount	Gets or sets the total number of I/O buffers to be used for the backup or restore operation.
	Checksum	Gets or sets a Boolean property value that determines whether a checksum value is calculated during backup or restore operations.
	ContinueAfterError	Gets or sets a Boolean property value that determines whether the backup or restore continues after a checksum error occurs.
	Database	Gets or sets the database on which the backup or restore operation runs.
	DatabaseFileGroups	Gets the SQL Server file groups targeted by the backup or restore operation.
	DatabaseFiles	Gets the operating system files targeted by the backup or restore operation.
	Devices	Gets the backup devices specified for the backup or restore operation.
	MaxTransferSize	Gets or sets the maximum number of bytes to be transferred between the backup media and the instance of SQL Server.
	MediaName	Gets or sets the name used to identify a particular media set.
	NoRecovery	Gets or sets a Boolean property value that determines whether the tail of the log is backed up and whether the database is restored into the Restoring state.
	NoRewind	Gets or sets a Boolean property value that determines whether Microsoft SQL Server will keep the tape open after the backup or restore operation.
	PercentCompleteNotification	Gets or sets the percentage interval for PercentCompleteEventHandler event handler calls.
	Restart	Gets or sets a Boolean property value that determines whether the backup or restore operation will restart if it is interrupted.
	UnloadTapeAfter	Gets or sets a Boolean property value that determines whether tape media are rewound and unloaded after the backup or restore operation completes.

Haut de la page

Méthodes

	Nom	Description
	Abort	Terminates a running backup or restore operation.
	Equals	(hérité de Object.)
	ExecuteSql	Executes a batch of Transact-SQL statements that does not expect a returned results set on the specified instance of SQL Server.
	ExecuteSqlAsync	Executes a batch of Transact-SQL statements asynchronously that does not expect a returned results set on the specified instance of SQL Server.
	ExecuteSqlWithResults	Executes a batch of Transact-SQL statements that expects one or more returned results sets on the specified instance of SQL Server.
	Finalize	(hérité de Object.)
	GetDevicesScript	Gets the script that is used to create devices.
	GetHashCode	(hérité de Object.)
	GetType	(hérité de Object.)
	IsStringValid	Verifies whether the specified string is valid.
	MemberwiseClone	(hérité de Object.)
	SetMediaPassword(SecureString)	Sets the password for a media set.
	SetMediaPassword(String)	Sets the password for a media set.
	SetPassword(SecureString)	Sets the password for a backup set.
	SetPassword(String)	Sets the password for a backup set.
	ToString	(hérité de Object.)
	Wait	Waits for the current backup or restore operation to complete before moving on to the next process.

Haut de la page

Événements

	Nom	Description
	Complete	Occurs when the backup or restore operation completes.
	Information	Occurs when any informational message is issued by Microsoft SQL Server that cannot be handled by the Complete NextMedia or PercentComplete events.
	NextMedia	Occurs when the backup or restore operation exhausts the medium in a target device.
	PercentComplete	Occurs when a backup or restore operation reaches a completion unit.

Haut de la page

Champs

	Nom	Description
	currentAsyncOperation	Specifies the current asynchronous operation, such as backup, restore, or none.
	m_BackupAction	Specifies the backup action type, such as database or log.
	m_LogTruncation	Specifies whether to truncate the log.
	m_RestoreAction	Specifies the restore action type, such as database or log.

Haut de la page

Notes

The BackupRestoreBase class is used in the construction of the Restore class and the Backup class, and contains functionality that is common.

Exemples

Sauvegarde et restauration des bases de données et journaux de transactions

Sécurité des threads

Tous les membres publics static (Shared dans Visual Basic) de ce type sont thread-safe. Tous les membres de l'instance ne sont pas garantis comme étant thread-safe.

Voir aussi

Référence

Espace de noms Microsoft.SqlServer.Management.Smo

Autres ressources

BACKUP (Transact-SQL)

RESTORE (Transact-SQL)