摘要
VB是最流行的数据库应用程序开发工具之一,应该熟练掌握。文章讨论了VB6.0支持的DAO、RDO和ADO三种面向对象的数据访问技术的结构、原理和特点;并指出在ADO大有取代DAO和RDO之时,应辩证地应用DAO和RDO的应用程序,有效地处理好DAO、RDO和ADO的关系。
VB is one of the most popular tool to develop data base applicative program, and it should be mastered. 'Die paper discusses the structure, the principle as well as the characteristics of DAO, RDO and ADO, which are three object oriented data access technology supported by VB6.0. When ADO replaces DAO and RDO, the applicative program of DAO and RDO should be used in a dialectical way and the relation between DAO, RDO and ADO should be dealt with effectively.
基金
湖北省教育厅科学研究项目(BZY99009)