ForeignKey Class

Articolo
12/15/2008

The ForeignKey object represents a Microsoft SQL Server foreign key.

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

Sintassi

'Dichiarazione
Public NotInheritable Class ForeignKey
    Inherits ScriptNameObjectBase
    Implements ICreatable, IDroppable, IMarkForDrop, IAlterable, _
    IExtendedProperties, IScriptable

public sealed class ForeignKey : ScriptNameObjectBase, ICreatable, IDroppable, IMarkForDrop, 
    IAlterable, IExtendedProperties, IScriptable

public ref class ForeignKey sealed : public ScriptNameObjectBase, ICreatable, IDroppable, IMarkForDrop, 
    IAlterable, IExtendedProperties, IScriptable

public final class ForeignKey extends ScriptNameObjectBase implements ICreatable, IDroppable, 
    IMarkForDrop, IAlterable, IExtendedProperties, IScriptable

public final class ForeignKey extends ScriptNameObjectBase implements ICreatable, IDroppable, 
    IMarkForDrop, IAlterable, IExtendedProperties, IScriptable

Osservazioni

Testo aggiornato:

Questo spazio dei nomi, classe o membro è supportato solo nella versione 2.0 di Microsoft .NET Framework.

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

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

Inheritance Hierarchy

System.Object
   Microsoft.SqlServer.Management.Smo.SmoObjectBase
     Microsoft.SqlServer.Management.Smo.SqlSmoObject
       Microsoft.SqlServer.Management.Smo.NamedSmoObject
         Microsoft.SqlServer.Management.Smo.ScriptNameObjectBase
          Microsoft.SqlServer.Management.Smo.ForeignKey

Esempio

How to: Create, Alter, and Remove a Foreign Key in Visual Basic .NET

Thread Safety

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Piattaforme

Piattaforme di sviluppo

Per un elenco delle piattaforme supportate, vedere Requisiti hardware e software per l'Installazione di SQL Server 2005.

Piattaforme di destinazione

Per un elenco delle piattaforme supportate, vedere Requisiti hardware e software per l'Installazione di SQL Server 2005.

Vedere anche

Riferimento

ForeignKey Members
Microsoft.SqlServer.Management.Smo Namespace

Altre risorse

Creating, Altering, and Removing Foreign Keys
Creazione e modifica di vincoli FOREIGN KEY
CREATE TABLE (Transact-SQL)

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