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. |