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UserDefinedAggregate Class

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

Пространство имен: Microsoft.SqlServer.Management.Smo
Сборка: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

Синтаксис

'Декларация
Public NotInheritable Class UserDefinedAggregate
    Inherits ScriptSchemaObjectBase
    Implements IObjectPermission, ICreatable, IDroppable, IExtendedProperties, _
    IScriptable
public sealed class UserDefinedAggregate : ScriptSchemaObjectBase, IObjectPermission, ICreatable, IDroppable, 
    IExtendedProperties, IScriptable
public ref class UserDefinedAggregate sealed : public ScriptSchemaObjectBase, IObjectPermission, ICreatable, IDroppable, 
    IExtendedProperties, IScriptable
public final class UserDefinedAggregate extends ScriptSchemaObjectBase implements IObjectPermission, ICreatable, 
    IDroppable, IExtendedProperties, IScriptable
public final class UserDefinedAggregate extends ScriptSchemaObjectBase implements IObjectPermission, ICreatable, 
    IDroppable, IExtendedProperties, IScriptable

Замечания

Это пространство имен, класс или элемент поддерживаются только платформой Microsoft .NET Framework версии 2.0.

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.

Inheritance Hierarchy

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.UserDefinedAggregate

Синхронизация потоков

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Платформы

Платформы разработки

Список поддерживаемых платформ см. в разделе Hardware and Software Requirements for Installing SQL Server 2005.

Целевые платформы

Список поддерживаемых платформ см. в разделе Hardware and Software Requirements for Installing SQL Server 2005.

См. также

Справочник

UserDefinedAggregate Members
Microsoft.SqlServer.Management.Smo Namespace

Другие ресурсы

Оператор Aggregate инструкции Showplan