Clase ForeignKeyColumn

The ForeignKeyColumn object represents a SQL Server foreign key column.

Jerarquía de herencia

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

Espacio de nombres:  Microsoft.SqlServer.Management.Smo
Ensamblado:  Microsoft.SqlServer.Smo (en Microsoft.SqlServer.Smo.dll)

Sintaxis

'Declaración
<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

El tipo ForeignKeyColumn expone los siguientes miembros.

Constructores

	Nombre	Descripción
	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.

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Propiedades

	Nombre	Descripción
	ID	Gets the foreign key column ID value.
	Name	Gets or sets a String value that specifies the name of the foreign key column. (Invalida 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. (Se hereda de SqlSmoObject.)
	ReferencedColumn	Gets or sets the referenced column.
	State	Gets the state of the referenced object. (Se hereda de SmoObjectBase.)
	Urn	Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (Se hereda de SqlSmoObject.)
	UserData	Gets or sets user-defined data associated with the referenced object. (Se hereda de SmoObjectBase.)

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Métodos

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

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Eventos

	Nombre	Descripción
	PropertyChanged	Represents the event that occurs when a property is changed. (Se hereda de SqlSmoObject.)
	PropertyMetadataChanged	Represents the event that occurs when property metadata changes. (Se hereda de SqlSmoObject.)

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Implementaciones de interfaces explícitas

	Nombre	Descripción
	IAlienObject.Discover	Discovers any dependencies. No haga referencia directamente a este miembro en el código. Admite la infraestructura de SQL Server. (Se hereda de SqlSmoObject.)
	IAlienObject.GetDomainRoot	Returns the root of the domain. (Se hereda de SqlSmoObject.)
	IAlienObject.GetParent	Gets the parent of this object. No haga referencia directamente a este miembro en el código. Admite la infraestructura de SQL Server. (Se hereda de SqlSmoObject.)
	IAlienObject.GetPropertyType	Gets the type of the specified property. (Se hereda de SqlSmoObject.)
	IAlienObject.GetPropertyValue	Gets the value of the specified property. (Se hereda de SqlSmoObject.)
	IAlienObject.GetUrn	Gets the Unified Resource Name (URN) of the object. No haga referencia directamente a este miembro en el código. Admite la infraestructura de SQL Server. (Se hereda de SqlSmoObject.)
	IAlienObject.Resolve	Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. (Se hereda de SqlSmoObject.)
	IAlienObject.SetObjectState	Sets the object state to the specified SfcObjectState value. (Se hereda de SqlSmoObject.)
	IAlienObject.SetPropertyValue	Sets the property value. (Se hereda de SqlSmoObject.)
	ISfcPropertyProvider.GetPropertySet	Gets the interface reference to the set of properties of this object. (Se hereda de SqlSmoObject.)
	ISfcSupportsDesignMode.IsDesignMode	Gets a Boolean value that specifies whether the foreign key column supports design mode.

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Comentarios

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

Todos los miembros estáticos (compartidos en Microsoft Visual Basic) públicos de este tipo son seguros para operaciones multiproceso. No se garantiza que los miembros de instancia sean seguros para subprocesos.

Ejemplos

Crear, modificar y eliminar las claves externas

Seguridad para subprocesos

Cualquier miembro público static (Shared en Visual Basic) de este tipo es seguro para subprocesos. No se garantiza que los miembros de instancia sean seguros para subprocesos.

Vea también

Referencia

Espacio de nombres Microsoft.SqlServer.Management.Smo

Otros recursos

Crear, modificar y eliminar las claves externas

Crear y modificar restricciones FOREIGN KEY