This paper describes the access control method for the specific relational-object data structure on the base of the self-developed spatial database, VISTA.

论文在自主开发的空间数据库VISTA的基础上针对特定的对象-关系型数据结构，提出了相应的访问控制方法。

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With the combination of database technology and GIS application, the method of manage spatial data using object relational database technology will be the currently tendency.

随着目前数据库技术与GIS应用的结合，采用对象关系数据库来管理空间数据已表现出强大的生命力。

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