Database.UserDefinedAggregates Property

Represents a collection of UserDefinedAggregate objects. Each UserDefinedAggregate object represents a user-defined aggregate defined on the database.

命名空间: Microsoft.SqlServer.Management.Smo
程序集: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

语法

声明
Public ReadOnly Property UserDefinedAggregates As UserDefinedAggregateCollection

public UserDefinedAggregateCollection UserDefinedAggregates { get; }

public:
property UserDefinedAggregateCollection^ UserDefinedAggregates {
    UserDefinedAggregateCollection^ get ();
}

/** @property */
public UserDefinedAggregateCollection get_UserDefinedAggregates ()

public function get UserDefinedAggregates () : UserDefinedAggregateCollection

属性值

A UserDefinedAggregateCollection object that represents all the user-defined aggregates defined on the database.

备注

已更新的文本：2006 年 7 月 17 日

Specific user defined aggregates can be referenced by using this collection by specifying the name of the user defined aggregate. To add a new user defined aggregate to the collection, call the user defined aggregate constructor, UserDefinedAggregate.

仅 Microsoft .NET Framework 的 2.0 版本支持此命名空间、类或成员。

示例

'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server

'Reference the AdventureWorks database.
Dim db As Database
db = srv.Databases("AdventureWorks")

'Display all the triggers in the database.
Dim tr As DatabaseDdlTrigger
For Each tr In db.Triggers
   Console.WriteLine(tr.Name)
Next

线程安全

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.

平台

开发平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

目标平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

请参阅

参考

Database Class
Database Members
Microsoft.SqlServer.Management.Smo Namespace

其他资源

How to: Create, Alter, and Remove a Database in Visual Basic .NET
CREATE AGGREGATE (Transact-SQL)
Creating, Altering, and Removing Databases
CREATE DATABASE (Transact-SQL)