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.
命名空间: Microsoft.SqlServer.Management.Smo
程序集: Microsoft.SqlServer.SqlEnum (in microsoft.sqlserver.sqlenum.dll)
语法
声明
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. |
备注
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.
平台
开发平台
有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。
目标平台
有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。