• Artigo

Classe UserDefinedAggregate

The UserDefinedAggregate object represents a SQL Server user-defined aggregate.

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

Sintaxe

'Declaração
<PhysicalFacetAttribute> _
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
Public NotInheritable Class UserDefinedAggregate _
    Inherits ScriptSchemaObjectBase _
    Implements IObjectPermission, ICreatable, IDroppable, IExtendedProperties,  _
    IScriptable
'Uso
Dim instance As UserDefinedAggregate

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

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

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

public final class UserDefinedAggregate extends ScriptSchemaObjectBase implements IObjectPermission, ICreatable, IDroppable, IExtendedProperties, IScriptable

Comentários

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

To set UserDefinedAggregate object properties, users must have CREATE AGGREGATE permission on the database and also REFERENCES permission on the specified assembly.

To create a user-defined aggregate, users must have DROP AGGREGATE permission on the database or ALTER permission on the user-defined aggregate.

To grant, deny, or revoke permission on the user-defined aggregate to other users, users must have CONTROL permission on the user-defined aggregate.

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.