Classe UserDefinedType
The UserDefinedType represents an alias data type that is based on .NET data types.
Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (em Microsoft.SqlServer.Smo.dll)
Sintaxe
'Declaração
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
<PhysicalFacetAttribute> _
Public NotInheritable Class UserDefinedType _
Inherits ScriptSchemaObjectBase _
Implements IObjectPermission, ICreatable, IDroppable, IExtendedProperties, _
IScriptable
'Uso
Dim instance As UserDefinedType
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)]
[PhysicalFacetAttribute]
public sealed class UserDefinedType : ScriptSchemaObjectBase,
IObjectPermission, ICreatable, IDroppable, IExtendedProperties, IScriptable
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode::CheckOnSchedule)]
[PhysicalFacetAttribute]
public ref class UserDefinedType sealed : public ScriptSchemaObjectBase,
IObjectPermission, ICreatable, IDroppable, IExtendedProperties, IScriptable
[<SealedAttribute>]
[<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)>]
[<PhysicalFacetAttribute>]
type UserDefinedType =
class
inherit ScriptSchemaObjectBase
interface IObjectPermission
interface ICreatable
interface IDroppable
interface IExtendedProperties
interface IScriptable
end
public final class UserDefinedType extends ScriptSchemaObjectBase implements IObjectPermission, ICreatable, IDroppable, IExtendedProperties, IScriptable
Comentários
To get UserDefinedType object permissions, users can be a member of the public fixed server role.
To set UserDefinedType 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 a alias 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 alias data type, users must have CONTROL permission on the type and ALTER permission on the specified schema.
Thread Safety
Qualquer membro público estático (Compartilhado no Microsoft Visual Basic) desse tipo é seguro para operações multi-threaded. Não há garantia de que qualquer membro de instância seja seguro para threads.
Hierarquia de herança
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. . :: . .ScriptSchemaObjectBase
Microsoft.SqlServer.Management.Smo..::..UserDefinedType
Segurança de thread
Quaisquer membros static (Shared no Visual Basic) públicos deste tipo são thread-safe. Não há garantia de que qualquer membro de instância seja thread-safe.
Consulte também