Статья
04/01/2012

Свойство Databases

Представляет коллекцию объектов Database. Каждый объект Database представляет базу данных, определенную для экземпляра SQL Server.

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

Синтаксис

'Декларация
<SfcObjectAttribute(SfcContainerRelationship.ObjectContainer, SfcContainerCardinality.ZeroToAny,  _
    GetType(Database), SfcObjectFlags.Design)> _
Public ReadOnly Property Databases As DatabaseCollection
    Get
'Применение
Dim instance As Server
Dim value As DatabaseCollection

value = instance.Databases

[SfcObjectAttribute(SfcContainerRelationship.ObjectContainer, SfcContainerCardinality.ZeroToAny, 
    typeof(Database), SfcObjectFlags.Design)]
public DatabaseCollection Databases { get; }

[SfcObjectAttribute(SfcContainerRelationship::ObjectContainer, SfcContainerCardinality::ZeroToAny, 
    typeof(Database), SfcObjectFlags::Design)]
public:
property DatabaseCollection^ Databases {
    DatabaseCollection^ get ();
}

[<SfcObjectAttribute(SfcContainerRelationship.ObjectContainer, SfcContainerCardinality.ZeroToAny, 
    typeof(Database), SfcObjectFlags.Design)>]
member Databases : DatabaseCollection

function get Databases () : DatabaseCollection

Значение свойства

Тип: Microsoft.SqlServer.Management.Smo. . :: . .DatabaseCollection
Объект DatabaseCollection, представляющий все базы данных, определенные на экземпляре SQL Server.

Замечания

Specific databases can be referenced by using this collection and specifying the name of the database. To create a new database, call the database constructor Database.

Примеры

Visual Basic

'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server
'Modify a property using the Databases, Tables, and Columns collections to reference a column.
srv.Databases("AdventureWorks2008R2").Tables("Person", "Person").Columns("ModifiedDate").Nullable = True
'Call the Alter method to make the change on the instance of SQL Server.
srv.Databases("AdventureWorks2008R2").Tables("Person", "Person").Columns("ModifiedDate").Alter()

PowerShell

$srv = new-object Microsoft.SqlServer.Management.Smo.Server("(local)")
$db = $srv.Databases.Item("AdventureWorks2008R2")
$tb = $db.Tables.Item("Person", "Person")
$col = $tb.Columns.Item("LastName")
$col.Nullable = $TRUE
$col.Alter()