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.
Пространство имен: Microsoft.SqlServer.Management.Smo
Сборка: Microsoft.SqlServer.SqlEnum (in microsoft.sqlserver.sqlenum.dll)
Синтаксис
'Декларация
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. |
Замечания
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.
Платформы
Платформы разработки
Список поддерживаемых платформ см. в разделе Hardware and Software Requirements for Installing SQL Server 2005.
Целевые платформы
Список поддерживаемых платформ см. в разделе Hardware and Software Requirements for Installing SQL Server 2005.