ForeignKey-Klasse
The ForeignKey object represents a SQL Server foreign key.
Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Syntax
'Declaration
Public NotInheritable Class ForeignKey _
Inherits ScriptNameObjectBase _
Implements ICreatable, IDroppable, IMarkForDrop, IAlterable, _
IRenamable, IExtendedProperties, IScriptable, IPropertyDataDispatch
'Usage
Dim instance As ForeignKey
public sealed class ForeignKey : ScriptNameObjectBase,
ICreatable, IDroppable, IMarkForDrop, IAlterable, IRenamable,
IExtendedProperties, IScriptable, IPropertyDataDispatch
public ref class ForeignKey sealed : public ScriptNameObjectBase,
ICreatable, IDroppable, IMarkForDrop, IAlterable, IRenamable,
IExtendedProperties, IScriptable, IPropertyDataDispatch
[<SealedAttribute>]
type ForeignKey =
class
inherit ScriptNameObjectBase
interface ICreatable
interface IDroppable
interface IMarkForDrop
interface IAlterable
interface IRenamable
interface IExtendedProperties
interface IScriptable
interface IPropertyDataDispatch
end
public final class ForeignKey extends ScriptNameObjectBase implements ICreatable, IDroppable, IMarkForDrop, IAlterable, IRenamable, IExtendedProperties, IScriptable, IPropertyDataDispatch
Hinweise
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.
Thread Safety
Alle öffentlichen, statischen Elemente dieses Typs (Shared in Microsoft Visual Basic) sind für Vorgänge mit mehreren Threads sicher. Für Instanzelemente kann nicht sichergestellt werden, dass sie für Threads sicher sind.
Vererbungshierarchie
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
Threadsicherheit
Alle öffentlichen static (Shared in Visual Basic) Member dieses Typs sind threadsicher. Bei Instanzmembern ist die Threadsicherheit nicht gewährleistet.
Siehe auch