This paper introduces the design characteristics of the map database and attribute database in the geographical information systems based on MapInfo. The discussion is focused on the application of Dynamic Data Exchange (DDE)in it.

• 介绍了基于Mapinfo地理信息系统中地图数据库与属性数据库的设计特点 ,重点讨论了动态数据交换技术DDE在其中的应用