ForeignKey Class

The ForeignKey object represents a Microsoft SQL Server foreign key.

命名空间: Microsoft.SqlServer.Management.Smo
程序集: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

语法

声明
Public NotInheritable Class ForeignKey
    Inherits ScriptNameObjectBase
    Implements ICreatable, IDroppable, IMarkForDrop, IAlterable, _
    IExtendedProperties, IScriptable
public sealed class ForeignKey : ScriptNameObjectBase, ICreatable, IDroppable, IMarkForDrop, 
    IAlterable, IExtendedProperties, IScriptable
public ref class ForeignKey sealed : public ScriptNameObjectBase, ICreatable, IDroppable, IMarkForDrop, 
    IAlterable, IExtendedProperties, IScriptable
public final class ForeignKey extends ScriptNameObjectBase implements ICreatable, IDroppable, 
    IMarkForDrop, IAlterable, IExtendedProperties, IScriptable
public final class ForeignKey extends ScriptNameObjectBase implements ICreatable, IDroppable, 
    IMarkForDrop, IAlterable, IExtendedProperties, IScriptable

备注

已更新的文本:

仅 Microsoft .NET Framework 的 2.0 版本支持此命名空间、类或成员。

To get ForeignKey object properties, users can be a member of the public fixed server role.

To set ForeignKey object properties, users must have ALTER permission on the parent table or be a member of the db_owner fixed database role.

To create or drop a foreign key, users must have ALTER permission on the parent table or be a member of the db_owner fixed database role.

Inheritance Hierarchy

System.Object
   Microsoft.SqlServer.Management.Smo.SmoObjectBase
     Microsoft.SqlServer.Management.Smo.SqlSmoObject
       Microsoft.SqlServer.Management.Smo.NamedSmoObject
         Microsoft.SqlServer.Management.Smo.ScriptNameObjectBase
          Microsoft.SqlServer.Management.Smo.ForeignKey

示例

How to: Create, Alter, and Remove a Foreign Key in Visual Basic .NET

线程安全

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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。

请参阅

参考

ForeignKey Members
Microsoft.SqlServer.Management.Smo Namespace

其他资源

Creating, Altering, and Removing Foreign Keys
创建和修改 FOREIGN KEY 约束
CREATE TABLE (Transact-SQL)