The organization strategy of spatial database in the flood control information system based on the overall system design scheme is submitted in the paper.
基于系统的总体框架，给出防汛指挥信息支持系统中空间数据库的具体组织策略。
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。
In this paper, we analyze the process of building digital city's basic spatial database first, then we introduce some quality control methods in this process.
本文在简要分析数字城市基础空间数据库构建过程的前提下，详细论述了数字城市基础空间数据建库中需进行的质量控制内容及方法。
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