DESIGN AND IMPLEMENTATION OF A DISTRIBUTED DATABASE SYSTEM

This article describes the design, implementation, and testing of a se t of software modules that are used for remote database access in a he terogeneous computer system. Such remote access of databases enables c ost-effective use of resources, because it becomes possible to use spe cialized database engines for data storage and user-friendly interface s (typically graphical) for data manipulation and database navigation. The goal of this research was to implement a client-server model usin g Structured Query Language functions using the sockets application pr ogramming interface. The database functions were implemented on an IBM AS/400. while the transmission control protocol/lnternet protocol pro vided the communications support with graphical user interfaces acting as clients.