ForeignKeyColumn-Klasse
The ForeignKeyColumn object represents a SQL Server foreign key column.
Vererbungshierarchie
System.Object
Microsoft.SqlServer.Management.Smo.SmoObjectBase
Microsoft.SqlServer.Management.Smo.SqlSmoObject
Microsoft.SqlServer.Management.Smo.NamedSmoObject
Microsoft.SqlServer.Management.Smo.ForeignKeyColumn
Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Syntax
'Declaration
<SfcElementTypeAttribute("Column")> _
Public NotInheritable Class ForeignKeyColumn _
Inherits NamedSmoObject _
Implements ISfcSupportsDesignMode
'Usage
Dim instance As ForeignKeyColumn
[SfcElementTypeAttribute("Column")]
public sealed class ForeignKeyColumn : NamedSmoObject,
ISfcSupportsDesignMode
[SfcElementTypeAttribute(L"Column")]
public ref class ForeignKeyColumn sealed : public NamedSmoObject,
ISfcSupportsDesignMode
[<SealedAttribute>]
[<SfcElementTypeAttribute("Column")>]
type ForeignKeyColumn =
class
inherit NamedSmoObject
interface ISfcSupportsDesignMode
end
public final class ForeignKeyColumn extends NamedSmoObject implements ISfcSupportsDesignMode
Der ForeignKeyColumn-Typ macht folgende Elemente verfügbar.
Konstruktoren
Name | Beschreibung | |
---|---|---|
ForeignKeyColumn() | Initializes a new instance of the ForeignKeyColumn class. | |
ForeignKeyColumn(ForeignKey, String) | Initializes a new instance of the ForeignKeyColumn class based on the specified foreign key with the specified name. | |
ForeignKeyColumn(ForeignKey, String, String) | Initializes a new instance of the ForeignKeyColumn class based on the specified foreign key with the specified name, which references the specified column. |
Zum Anfang
Eigenschaften
Name | Beschreibung | |
---|---|---|
ID | Gets the foreign key column ID value. | |
Name | Gets or sets a String value that specifies the name of the foreign key column. (Überschreibt NamedSmoObject.Name.) | |
Parent | Gets the ForeignKey object that is the parent of the ForeignKeyColumn object. | |
Properties | Gets a collection of Property objects that represent the object properties. (Geerbt von SqlSmoObject.) | |
ReferencedColumn | Gets or sets the referenced column. | |
State | Gets the state of the referenced object. (Geerbt von SmoObjectBase.) | |
Urn | Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (Geerbt von SqlSmoObject.) | |
UserData | Gets or sets user-defined data associated with the referenced object. (Geerbt von SmoObjectBase.) |
Zum Anfang
Methoden
Name | Beschreibung | |
---|---|---|
Discover | Discovers a list of type Object. (Geerbt von SqlSmoObject.) | |
Equals | (Geerbt von Object.) | |
FormatSqlVariant | Formats an object as SqlVariant type. (Geerbt von SqlSmoObject.) | |
GetContextDB | Gets the context database that is associated with this object. (Geerbt von SqlSmoObject.) | |
GetDBName | Gets the database name that is associated with the object. (Geerbt von SqlSmoObject.) | |
GetHashCode | (Geerbt von Object.) | |
GetPropValue | Gets a property value of the SqlSmoObject object. (Geerbt von SqlSmoObject.) | |
GetPropValueOptional | Gets a property value of the SqlSmoObject object. (Geerbt von SqlSmoObject.) | |
GetPropValueOptionalAllowNull | Gets a property value of the SqlSmoObject object. (Geerbt von SqlSmoObject.) | |
GetServerObject | Gets the server of the SqlSmoObject object. (Geerbt von SqlSmoObject.) | |
GetType | (Geerbt von Object.) | |
Initialize() | Initializes the object and forces the properties be loaded. (Geerbt von SqlSmoObject.) | |
Initialize(Boolean) | Initializes the object and forces the properties be loaded. (Geerbt von SqlSmoObject.) | |
IsObjectInitialized | Verifies whether the object has been initialized. (Geerbt von SqlSmoObject.) | |
IsObjectInSpace | Verifies whether the object is isolated or connected to the instance of SQL Server. (Geerbt von SqlSmoObject.) | |
Refresh | Refreshes the object and retrieves properties when the object is next accessed. (Geerbt von SqlSmoObject.) | |
SetParentImpl | Sets the parent of the SqlSmoObject to the newParent parameter. (Geerbt von SqlSmoObject.) | |
ToString | Returns a String that represents the referenced object. (Geerbt von SqlSmoObject.) | |
Validate | Validates the state of an object. (Geerbt von SmoObjectBase.) |
Zum Anfang
Ereignisse
Name | Beschreibung | |
---|---|---|
PropertyChanged | Represents the event that occurs when a property is changed. (Geerbt von SqlSmoObject.) | |
PropertyMetadataChanged | Represents the event that occurs when property metadata changes. (Geerbt von SqlSmoObject.) |
Zum Anfang
Explizite Schnittstellenimplementierungen
Name | Beschreibung | |
---|---|---|
IAlienObject.Discover | Discovers any dependencies. Verweisen Sie nicht direkt im Code auf dieses Element. Unterstützt die SQL Server-Infrastruktur. (Geerbt von SqlSmoObject.) | |
IAlienObject.GetDomainRoot | Returns the root of the domain. (Geerbt von SqlSmoObject.) | |
IAlienObject.GetParent | Gets the parent of this object. Verweisen Sie nicht direkt im Code auf dieses Element. Unterstützt die SQL Server-Infrastruktur. (Geerbt von SqlSmoObject.) | |
IAlienObject.GetPropertyType | Gets the type of the specified property. (Geerbt von SqlSmoObject.) | |
IAlienObject.GetPropertyValue | Gets the value of the specified property. (Geerbt von SqlSmoObject.) | |
IAlienObject.GetUrn | Gets the Unified Resource Name (URN) of the object. Verweisen Sie nicht direkt im Code auf dieses Element. Unterstützt die SQL Server-Infrastruktur. (Geerbt von SqlSmoObject.) | |
IAlienObject.Resolve | Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. (Geerbt von SqlSmoObject.) | |
IAlienObject.SetObjectState | Sets the object state to the specified SfcObjectState value. (Geerbt von SqlSmoObject.) | |
IAlienObject.SetPropertyValue | Sets the property value. (Geerbt von SqlSmoObject.) | |
ISfcPropertyProvider.GetPropertySet | Gets the interface reference to the set of properties of this object. (Geerbt von SqlSmoObject.) | |
ISfcSupportsDesignMode.IsDesignMode | Gets a Boolean value that specifies whether the foreign key column supports design mode. |
Zum Anfang
Hinweise
To get ForeignKeyColumn object properties, users can be a member of the public fixed server role.
To set ForeignKeyColumn 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 column, 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. Bei Instanzmembern ist die Threadsicherheit nicht gewährleistet.
Beispiele
Erstellen, Ändern und Löschen von Fremdschlüsseln
Threadsicherheit
Alle öffentlichen static (Shared in Visual Basic)-Elemente dieses Typs sind Threadsicher. Für Instanzelemente wird die Threadsicherheit nicht gewährleistet.
Siehe auch
Verweis
Microsoft.SqlServer.Management.Smo-Namespace