摘要
针对漳村煤矿通讯站信息管理的要求,设计了一种随机组合查询与选项打印子系统。应用该子系统,用户可以方便地按任意组合方式形成查询条件,在大量的记录中筛选出满足该条件的信息,并将它们按选定的字段个数和顺序打印出来。
Aimed at the requirements of information management at Zhangcun Colliery Communication Agency,the subsystem is designed for combination query and selection field printing.With the subsystem,a query condition can be combined at random,and the message satisfying the condition is filtered from a large number of data and printed according to the field number and order selected by users.