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。
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。
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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