Свойство Database.AutoUpdateStatisticsEnabled

Статья
04/26/2013

Gets or sets a value that specifies whether statistics are automatically updated for the database.

Пространство имен: Microsoft.SqlServer.Management.Smo
Сборка: Microsoft.SqlServer.Smo (в Microsoft.SqlServer.Smo.dll)

Синтаксис

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

Значение свойства

Тип: 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).

Реализует

IDatabaseOptions.AutoUpdateStatisticsEnabled

Замечания

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

Примеры

'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