Classe ForeignKeyColumn

The ForeignKeyColumn object represents a SQL Server foreign key column.

Hierarquia de herança

System.Object
  Microsoft.SqlServer.Management.Smo.SmoObjectBase
    Microsoft.SqlServer.Management.Smo.SqlSmoObject
      Microsoft.SqlServer.Management.Smo.NamedSmoObject
        Microsoft.SqlServer.Management.Smo.ForeignKeyColumn

Namespace:  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (em Microsoft.SqlServer.Smo.dll)

Sintaxe

'Declaração
<SfcElementTypeAttribute("Column")> _
Public NotInheritable Class ForeignKeyColumn _
    Inherits NamedSmoObject _
    Implements ISfcSupportsDesignMode
'Uso
Dim instance As ForeignKeyColumn

[SfcElementTypeAttribute("Column")]
public sealed class ForeignKeyColumn : NamedSmoObject, 
    ISfcSupportsDesignMode

[SfcElementTypeAttribute(L"Column")]
public ref class ForeignKeyColumn sealed : public NamedSmoObject, 
    ISfcSupportsDesignMode

[<SealedAttribute>]
[<SfcElementTypeAttribute("Column")>]
type ForeignKeyColumn =  
    class 
        inherit NamedSmoObject 
        interface ISfcSupportsDesignMode 
    end

public final class ForeignKeyColumn extends NamedSmoObject implements ISfcSupportsDesignMode

O tipo ForeignKeyColumn expõe os membros a seguir.

Construtores

	Nome	Descrição
	ForeignKeyColumn()	Initializes a new instance of the ForeignKeyColumn class.
	ForeignKeyColumn(ForeignKey, String)	Initializes a new instance of the ForeignKeyColumn class based on the specified foreign key with the specified name.
	ForeignKeyColumn(ForeignKey, String, String)	Initializes a new instance of the ForeignKeyColumn class based on the specified foreign key with the specified name, which references the specified column.

Início

Propriedades

	Nome	Descrição
	ID	Gets the foreign key column ID value.
	Name	Gets or sets a String value that specifies the name of the foreign key column. (Substitui NamedSmoObject.Name.)
	Parent	Gets the ForeignKey object that is the parent of the ForeignKeyColumn object.
	Properties	Gets a collection of Property objects that represent the object properties. (Herdado de SqlSmoObject.)
	ReferencedColumn	Gets or sets the referenced column.
	State	Gets the state of the referenced object. (Herdado de SmoObjectBase.)
	Urn	Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (Herdado de SqlSmoObject.)
	UserData	Gets or sets user-defined data associated with the referenced object. (Herdado de SmoObjectBase.)

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Métodos

	Nome	Descrição
	Discover	Discovers a list of type Object. (Herdado de SqlSmoObject.)
	Equals	(Herdado de Object.)
	FormatSqlVariant	Formats an object as SqlVariant type. (Herdado de SqlSmoObject.)
	GetContextDB	Gets the context database that is associated with this object. (Herdado de SqlSmoObject.)
	GetDBName	Gets the database name that is associated with the object. (Herdado de SqlSmoObject.)
	GetHashCode	(Herdado de Object.)
	GetPropValue	Gets a property value of the SqlSmoObject object. (Herdado de SqlSmoObject.)
	GetPropValueOptional	Gets a property value of the SqlSmoObject object. (Herdado de SqlSmoObject.)
	GetPropValueOptionalAllowNull	Gets a property value of the SqlSmoObject object. (Herdado de SqlSmoObject.)
	GetServerObject	Gets the server of the SqlSmoObject object. (Herdado de SqlSmoObject.)
	GetType	(Herdado de Object.)
	Initialize()	Initializes the object and forces the properties be loaded. (Herdado de SqlSmoObject.)
	Initialize(Boolean)	Initializes the object and forces the properties be loaded. (Herdado de SqlSmoObject.)
	IsObjectInitialized	Verifies whether the object has been initialized. (Herdado de SqlSmoObject.)
	IsObjectInSpace	Verifies whether the object is isolated or connected to the instance of SQL Server. (Herdado de SqlSmoObject.)
	Refresh	Refreshes the object and retrieves properties when the object is next accessed. (Herdado de SqlSmoObject.)
	SetParentImpl	Sets the parent of the SqlSmoObject to the newParent parameter. (Herdado de SqlSmoObject.)
	ToString	Returns a String that represents the referenced object. (Herdado de SqlSmoObject.)
	Validate	Validates the state of an object. (Herdado de SmoObjectBase.)

Início

Eventos

	Nome	Descrição
	PropertyChanged	Represents the event that occurs when a property is changed. (Herdado de SqlSmoObject.)
	PropertyMetadataChanged	Represents the event that occurs when property metadata changes. (Herdado de SqlSmoObject.)

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Implementações de interfaces explícitas

	Nome	Descrição
	IAlienObject.Discover	Discovers any dependencies. Não referencie esse membro diretamente no código. Ele dá suporte à infraestrutura do SQL Server. (Herdado de SqlSmoObject.)
	IAlienObject.GetDomainRoot	Returns the root of the domain. (Herdado de SqlSmoObject.)
	IAlienObject.GetParent	Gets the parent of this object. Não referencie esse membro diretamente no código. Ele dá suporte à infraestrutura do SQL Server. (Herdado de SqlSmoObject.)
	IAlienObject.GetPropertyType	Gets the type of the specified property. (Herdado de SqlSmoObject.)
	IAlienObject.GetPropertyValue	Gets the value of the specified property. (Herdado de SqlSmoObject.)
	IAlienObject.GetUrn	Gets the Unified Resource Name (URN) of the object. Não referencie esse membro diretamente no código. Ele dá suporte à infraestrutura do SQL Server. (Herdado de SqlSmoObject.)
	IAlienObject.Resolve	Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. (Herdado de SqlSmoObject.)
	IAlienObject.SetObjectState	Sets the object state to the specified SfcObjectState value. (Herdado de SqlSmoObject.)
	IAlienObject.SetPropertyValue	Sets the property value. (Herdado de SqlSmoObject.)
	ISfcPropertyProvider.GetPropertySet	Gets the interface reference to the set of properties of this object. (Herdado de SqlSmoObject.)
	ISfcSupportsDesignMode.IsDesignMode	Gets a Boolean value that specifies whether the foreign key column supports design mode.

Início

Comentários

To get ForeignKeyColumn object properties, users can be a member of the public fixed server role.

To set ForeignKeyColumn object properties, users must have ALTER permission on the parent table or be a member of the db_owner fixed database role.

To create or drop a foreign key column, users must have ALTER permission on the parent table or be a member of the db_owner fixed database role.

Thread Safety

Qualquer membro público estático (Compartilhado no Microsoft Visual Basic) desse tipo é seguro para operações multi-threaded. Não há garantia de que qualquer membro de instância seja seguro para threads.

Exemplos

Criando, alterando e removendo chaves estrangeiras

Segurança de thread

Qualquer membro público static (Shared no Visual Basic) desse tipo é seguro para threads. Não há garantia de que qualquer membro de instância seja seguro para threads.

Consulte também

Referência

Namespace Microsoft.SqlServer.Management.Smo

Outros recursos

Criando, alterando e removendo chaves estrangeiras

Criando e modificando restrições FOREIGN KEY