利用Delphi开发给据函件原迹登单系统

Developing Registered Letter System by Delphi

近来，Borland公司的Delhi已成为开发数据库的一种热门软件，该文通过对给据函件原迹登单数据库系统开发，介绍了通过Delphi来开发图文数据库的技术，提出了一种Delphi和Paradox的数据库设计方法．讨论了在数据库设计中如何综合考虑系统性能、查询速度以及数据库的错误处理方法。

?Delphi now has become a kind of popular software to develop database. The paper introduces the methods of developing graphics content database by Delphi through the development of registered letter processing system. The paper also discusses how to use Delphi and Paradox to design a database application, problems of performance and spzed. Then the paper discusses how to handle excephons that occur when an attempt to edit a record fails.