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Proprietà AutoUpdateStatisticsEnabled

Ottiene un valore della proprietà Boolean che specifica se le statistiche devono essere aggiornate automaticamente per il database.

Spazio dei nomi  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

Sintassi

'Dichiarazione
<SfcPropertyAttribute(SfcPropertyFlags.None Or SfcPropertyFlags.Standalone Or SfcPropertyFlags.SqlAzureDatabase Or SfcPropertyFlags.Deploy)> _
Public Property AutoUpdateStatisticsEnabled As Boolean
    Get
    Set
'Utilizzo
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)

Valore proprietà

Tipo: System. . :: . .Boolean
Valore Boolean che specifica se le statistiche vengono aggiornate automaticamente per il database.
Se True, le statistiche vengono aggiornate automaticamente per il database. In caso contrario, False (impostazione predefinita).

Implementa

IDatabaseOptions. . :: . .AutoUpdateStatisticsEnabled

Osservazioni

The AutoUpdateStatisticsEnabled property is equivalent to setting the AUTO_UPDATE_STATISTICS ON option in the ALTER DATABASE Transact-SQL statement.

Esempi

VB

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

'Reference the AdventureWorks2008R2 database.
Dim db As Database
db = srv.Databases("AdventureWorks2008R2")

'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("AdventureWorks2008R2")
Write-Host "Automatically create statistics =" $db.AutoCreateStatisticsEnabled
Write-Host "Automatically update statistics =" $db.AutoUpdateStatisticsEnabled