利用SYBASE的PB8.0和EAServer，我们能方便地开发出基于三层模式的应用。本文通过回顾本次培训中做过的一个实验，详细阐述了如何建立一个在客户端通过EAServer访问数据库的三层体系的应用-SYBASE and PB8.0 use the EAServer, we can easily develop applications based on the three-tier model. This article by reviewing the training did an ex