Oracle还提供了一个免费工具来生成自定义.NET类，该类映射到您的嵌套表类型:

Oracle also offers a free tool to generate a custom .NET class that maps to your nested table type:

下载免费的Oracle Studio开发工具"，打开Server Explorer，打开"User Defined Types"节点，找到您的用户定义类型，右键单击并选择"Generate Custom Class".

Download "Oracle Developer Tools for Visual Studio" (free), open Server Explorer, open "User Defined Types" node, find your user defined type, right click and choose "Generate Custom Class".

以下是一个逐步入门，可以帮助您全面了解UDT:

Here's a walkthrough to get you started with UDTs in general:

http://www. oracle.com/webfolder/technetwork/tutorials/obe/db/hol08/dotnet/udt/udt_otn.htm