A derived data type is a derivative or structure of existing base types or other derived types.
派生数据类型是已有的基本类型或其他派生类型的一个派生物或结构。
The data type of the application variables which you use to exchange XML data with DB2 determines how the encoding is derived.
用于与DB 2交换XML数据的应用程序变量的数据类型决定了如何得到编码。
It also defines a Struct class for defining arbitrary data aggregations, and the special class any which can be used to represent any built-in or derived type and thus is the basis of dynamic typing.
它还定义了一个struct类，用来定义任意的数据聚合，此外，还定义了特殊的类any，它可以用来表示任何内置或导出类型，因而它也就成了动态类型化(dynamic typing)的基础。
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