【摘要】 报表在数据库管理系统中的地位相当重要 ,但是报表的形式变化多样 ,对数据的要求各不相同 .比如我们只要求打印出若干条记录 ,仅仅用VFP5 0为我们提供的报表设计功能很难达到要求 .若使用查询得到的数据作为报表的数据环境 ,虽然可以完成这样的工作 ,但不能动态地更新数据进行打印 .如果在报表中引入SQL语言 ,便可以大大增强报表的灵活性更多还原

【Abstract】 Report plays an importment role in Database Management System.It has various forms and different requests for data.For instance,it would be difficult to print only several records by using the report-designing function provided by Visual Fox Pro5.0.Though such a task can be finished by using inquiry as the data environment of report,the data can not be updated dynamically.The flexibility can be greatly improved by introducing SQL into the report.更多还原