DB2 system and database object management; provides an interactive query interface using the integrated Command Editor.

DB 2系统与数据库对象管理；提供了采用集成Command Editor的交互式查询界面。

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The system was provided with function of workspace, data and map management, object operation, spatial query and analysis in the environment of GIS.

该系统具有GIS工作空间管理功能、数据管理功能、地图管理功能、对象操作功能、查询及空间分析功能；

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It is well known that object-oriented DBMS (database management system) can provide a rich expressive power for the query languages to meet various needs of some high-level database applications.

论述了一种面向对象的数据库管理系统的直观对象查询语言。

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