【摘要】 报表设计是信息系统建设与应用的一项量大而设计又很烦杂的工作,但又是一项十分重要的工作。文章分析研究了为报表提供数据的查询方法,提出了一种基于数据库应用的通用查询模式,以及应用复杂报表的设计。通过数据库接口技术,利用连接算法和最优路径求解算法,实现在复杂查询条件下完成不同格式报表的生成。更多还原

【Abstract】 Report design is quite important work on construct and application in the information system,and it is vast and numerous work.Through analyzing query methods in order to data of report in the information system,it puts forward a kind of query mode based on the database,and it is design of report.Using technology of database interface,link arithmetic,this query mode is not relation of concrete database structure and database editions,as long as the structure of database matches certain type of style,it can carry out dynamic and automatic query.更多还原