Design of spatial database based on digital city

In this paper,the background and theory of digital city is introduced simply.Then several general databases,such as Access,SQL Server,Oracle are analyzed and studied.At the same time,their advantages and disadvantages are summarized.Finally,the authors propose a schema for database design and construction in "digital city" from several aspects of database such as structure design,function design,interface design and fundamental database construction.The design is applied in the construction of database of "Digital DongYing".