Likewise,it indicate vastly superiority of the NXD after comparing the characteristics and advantages of these three kind of databases on the applications of engineering as well as analyzing the adaptive occasion.

• 重点介绍了XML本源数据库；并分析了发展前景.；比较三种数据库技术在工程应用方面的特点和优势；讨论它们各自适合的应用场合；指出XML本源数据库在工程应用方面的巨大优势