ECDB

As the basic of electronic chart application system, ECDB ( Electronic Chart Database) decides the function and performance of the system.

电子海图数据库是电子海图应用系统的基础，它决定了电子海图应用系统的功能和性能。

In this part, through the study of database management skills that are currently applied, we determine to build up ECDB in Oracle 9i, and then the whole process of database building has been explained.

通过对现有数据库管理系统的研究比较，确定应用Oracle9i数据库管理系统来构建电子海图数据库，详细阐述了电子海图数据库的建立过程。

As a case study, this system is applied in Engineering Chemistry Da-tabase ( ECDB), to implement the service of resource-sharing and data-integration.

该系统以工程化学数据库为案例并得到应用，实现其多个数据库的资源共享与数据集成服务。