ForeignKeyAction Enumeration
The ForeignKeyAction enumeration is a list of constant values that specify the action taken when the primary key reference by a foreign key is updated.
Spazio dei nomi: Microsoft.SqlServer.Management.Smo
Assembly : Microsoft.SqlServer.SqlEnum (in microsoft.sqlserver.sqlenum.dll)
Sintassi
'Dichiarazione
Public Enumeration ForeignKeyAction
public enum ForeignKeyAction
public enum class ForeignKeyAction
public enum ForeignKeyAction
public enum ForeignKeyAction
Members
| Member name | Description |
|---|---|
| Cascade | The modification is also made to the foreign key. |
| NoAction | No action is taken. |
| SetDefault | The foreign key is set to the default value. |
| SetNull | The foreign key is set to null. |
Osservazioni
The ForeignKeyAction enumeration class is served by the UpdateAction property and the DeleteAction property.
This namespace, class, or member is supported only in version 2.0 of the Microsoft .NET Framework.
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.