AIDB consists of three parts: an abstract database access interface, a different database driver and driver management procedures.
AIDB包括三个部分：抽象数据库访问接口、不同数据库的驱动程序以及驱动管理程序。
With ADO and DAO as database access interface, this system makes the connection between attribute data and spatial data, and the updating of database information come true.
系统采用ADO和DAO作为外部数据访问接口，实现属性数据与空间数据的连接和数据库信息的更新。
In the paper, the overall structure is presented, the database access interface and technicals are analyzed, the dispatching mode and solution of the key problems are described.
文中提出了系统的总体结构，分析了数据库接口和访问优化技术，描述了船舶调度模型和其中关键问题的解决方法。
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