综合地学图像数据库系统的设计

DATABASE SYSTEM DESIGN FOR COMPREHENSIVE GEOSCIENTIFIC IMAGE

在研究综合地学图像数据库系统(IIDBS)设计的基础上,探讨了在IBM-PC/XT及兼容机上实现IIDBS设计中关键的技术问题,成功地解决了数据的数据压缩和数据库与高级语言之间的数据直接通讯问题;采用关系型数据库建立层次数据库模型的思想和方法,使IIDBS同时体现了两种数据库模型的优点,改善和提高了系统效率。

On the basis of studying the database system design of comprehensive geoscientific image (IIDBS),the key technique problems to realize IIDBS desigen on IBM -PC/XT and com-patiable microcomputer were discussed, the data compression of database, and the direct communication between FORTRAN language and Dbase/FoxBASE database are successfully resolved in this paper. By way of using relational database model to create hierarchical database model, IIDBS simultaneously embody the advantages of two database models, I-IDBS simultaneously embody the advantages of two database models, and the system efficiency is reformed and raised.