可以用专用于空间信息及其属性的结构来扩展已有的数据类型。
You can extend the data types available for all your data with specialized structures solely dedicated to spatial information and its properties.
InfoSphere DataStage的一个最显著的特点是，它是架构在高度可配置并行引擎上，同时具有专用文件结构。
One of the most significant features of InfoSphere DataStage is that it is built on a highly configurable parallel engine, together with a proprietary parallel file structure.
Don ' t support specialized response hierarchy(不支持专用响应层次结构)。
应用推荐