Propriété Database.AutoUpdateStatisticsEnabled
Gets or sets a value that specifies whether statistics are automatically updated for the database.
Espace de noms : Microsoft.SqlServer.Management.Smo
Assembly : Microsoft.SqlServer.Smo (en Microsoft.SqlServer.Smo.dll)
Syntaxe
'Déclaration
<SfcPropertyAttribute(SfcPropertyFlags.None Or SfcPropertyFlags.Standalone Or SfcPropertyFlags.SqlAzureDatabase Or SfcPropertyFlags.Deploy)> _
Public Property AutoUpdateStatisticsEnabled As Boolean
Get
Set
'Utilisation
Dim instance As Database
Dim value As Boolean
value = instance.AutoUpdateStatisticsEnabled
instance.AutoUpdateStatisticsEnabled = value
[SfcPropertyAttribute(SfcPropertyFlags.None|SfcPropertyFlags.Standalone|SfcPropertyFlags.SqlAzureDatabase|SfcPropertyFlags.Deploy)]
public bool AutoUpdateStatisticsEnabled { get; set; }
[SfcPropertyAttribute(SfcPropertyFlags::None|SfcPropertyFlags::Standalone|SfcPropertyFlags::SqlAzureDatabase|SfcPropertyFlags::Deploy)]
public:
virtual property bool AutoUpdateStatisticsEnabled {
bool get () sealed;
void set (bool value) sealed;
}
[<SfcPropertyAttribute(SfcPropertyFlags.None|SfcPropertyFlags.Standalone|SfcPropertyFlags.SqlAzureDatabase|SfcPropertyFlags.Deploy)>]
abstract AutoUpdateStatisticsEnabled : bool with get, set
[<SfcPropertyAttribute(SfcPropertyFlags.None|SfcPropertyFlags.Standalone|SfcPropertyFlags.SqlAzureDatabase|SfcPropertyFlags.Deploy)>]
override AutoUpdateStatisticsEnabled : bool with get, set
final function get AutoUpdateStatisticsEnabled () : boolean
final function set AutoUpdateStatisticsEnabled (value : boolean)
Valeur de propriété
Type : System.Boolean
A Boolean value that specifies the whether statistics are automatically updated for the database.If True, statistics are automatically updated for the database. Otherwise, False (default).
Implémente
IDatabaseOptions.AutoUpdateStatisticsEnabled
Notes
The AutoUpdateStatisticsEnabled property is equivalent to setting the AUTO_UPDATE_STATISTICS ON option in the ALTER DATABASE Transact-SQL statement.
Exemples
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")
'Display the current options for statistics.
Console.WriteLine("Automatically create statistics = " + _
db.AutoCreateStatisticsEnabled.ToString)
Console.WriteLine("Automatically update statistics = " + _
db.AutoUpdateStatisticsEnabled.ToString)
PowerShell
$srv = new-Object Microsoft.SqlServer.Management.Smo.Server("(local)")
$db = New-Object Microsoft.SqlServer.Management.Smo.Database
$db = $srv.Databases.Item("AdventureWorks2012")
Write-Host "Automatically create statistics =" $db.AutoCreateStatisticsEnabled
Write-Host "Automatically update statistics =" $db.AutoUpdateStatisticsEnabled
Voir aussi
Référence
Espace de noms Microsoft.SqlServer.Management.Smo
Autres ressources
Utilisation des objets de base de données
Création et mise à jour des statistiques