Taking Microsoft Visual FoxPro 6.0 as RDBMS, and taking data inquiry about a reader data table for example, this paper analyzes and discusses the design thought, implementation procedure and methodology of a data inquiry module in detail.

• 以Microsoft Visual FoxPro6.；0为关系数据库管理系统；以读者数据表中的数据查询为例；详细分析和讨论了数据查询模块的设计思想与具体实现步骤及方法。