ForeignKey Class

The ForeignKey object represents a Microsoft SQL Server foreign key.

命名空間: Microsoft.SqlServer.Management.Smo
組件: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

語法

'宣告
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

備註

更新的文字：

只有 Microsoft .NET Framework 2.0 版支援此命名空間、類別或成員。

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

範例

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

執行緒安全性

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

開發平台

如需受支援的平台清單，請參閱＜安裝 SQL Server 2005 的硬體和軟體需求＞。

目標平台

如需受支援的平台清單，請參閱＜安裝 SQL Server 2005 的硬體和軟體需求＞。

請參閱

參考

ForeignKey Members
Microsoft.SqlServer.Management.Smo Namespace

其他資源

Creating, Altering, and Removing Foreign Keys
建立與修改 FOREIGN KEY 條件約束
CREATE TABLE (Transact-SQL)