ForeignKeyAction 枚举
Specifies the action that is taken when the primary key that is referenced by a foreign key is updated.
命名空间： Microsoft.SqlServer.Management.SqlParser.Metadata
程序集： Microsoft.SqlServer.Management.SqlParser（在 Microsoft.SqlServer.Management.SqlParser.dll 中）
语法
声明
Public Enumeration ForeignKeyAction
用法
Dim instance As ForeignKeyAction
public enum ForeignKeyAction
public enum class ForeignKeyAction
type ForeignKeyAction
public enum ForeignKeyAction
成员
| 成员名称 | 说明 | |
|---|---|---|
| NoAction | No action is taken. | |
| Cascade | The modification is also made to the foreign key. | |
| SetDefault | The foreign key is set to the default value. | |
| SetNull | The foreign key is set to null. |