A Java-Based Access Solution to Heterogeneous Database of Digital Library
基于Java技术解决数字图书馆异构平台数据库访问

This paper first introduced and analysed several Web _ based database access technologies and their limitations. It focused on the technical elements of Servlet and JDBC, also, the implementation procedure and mechanism of accessing method to databases through them. At last, the system solution to accessing heterogeneous database in library based Browser - Server multi -tier model and Java technology is given.