【摘要】 在数据库应用程序设计中,实现组合查询的程序被大量应用,一种能够快速实现组合查询程序设计的方法可以节省大量的编程时间,提高软件开发的效率. 以实例论述了一种基于PB的快速实现组合查询程序设计的方法.更多还原

【Abstract】 A lot of programs of combined query are applied in database design. A valid way to realize a routine of combined query can save a lot of time for programming and improve the efficiency in software development. A way to realize a routine of combined query in PB is presented with examples in this paper.更多还原