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UserDefinedDataType-Klasse

The UserDefinedDataType object represents a SQL Server user-defined data type.

Namespace:  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

Syntax

'Declaration
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
<PhysicalFacetAttribute> _
Public NotInheritable Class UserDefinedDataType _
    Inherits ScriptSchemaObjectBase _
    Implements ICreatable, IAlterable, IDroppable, IRenamable,  _
    IExtendedProperties, IScriptable, IObjectPermission
'Usage
Dim instance As UserDefinedDataType

[EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)]
[PhysicalFacetAttribute]
public sealed class UserDefinedDataType : ScriptSchemaObjectBase, 
    ICreatable, IAlterable, IDroppable, IRenamable, IExtendedProperties, 
    IScriptable, IObjectPermission

[EvaluationModeAttribute(AutomatedPolicyEvaluationMode::CheckOnSchedule)]
[PhysicalFacetAttribute]
public ref class UserDefinedDataType sealed : public ScriptSchemaObjectBase, 
    ICreatable, IAlterable, IDroppable, IRenamable, IExtendedProperties, 
    IScriptable, IObjectPermission

[<SealedAttribute>]
[<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)>]
[<PhysicalFacetAttribute>]
type UserDefinedDataType =  
    class
        inherit ScriptSchemaObjectBase
        interface ICreatable
        interface IAlterable
        interface IDroppable
        interface IRenamable
        interface IExtendedProperties
        interface IScriptable
        interface IObjectPermission
    end

public final class UserDefinedDataType extends ScriptSchemaObjectBase implements ICreatable, IAlterable, IDroppable, IRenamable, IExtendedProperties, IScriptable, IObjectPermission

Hinweise

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

To set UserDefinedDataType object permissions, users must have CREATE TYPE permission in the parent database and ALTER permission on specified schema. If an assembly is specified, users must either own the assembly or have REFERENCES permission on it.

To create an user-defined data type data type, users must have CREATE TYPE permission in the parent database and ALTER permission on specified schema. If an assembly is specified, users must either own the assembly or have REFERENCES permission on it.

To drop a user-defined data type data type, users must have CONTROL permission on the type and ALTER permission on the specified schema.

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.

Threadsicherheit

Alle öffentlichen static (Shared in Visual Basic) Member dieses Typs sind threadsicher. Bei Instanzmembern ist die Threadsicherheit nicht gewährleistet.