A XENIX-based multi-user relational database management system featuring source language and data file compatibility with dBASE III plus, as well as dBASE III plus record locking and file locking system.

• 一种基于XENIX的多用户关系数据库管理系统,其特点是源程序和数据文件与dBASE IIIplus相兼容,同时具有dBASE III plus的记录锁定和文件锁定功能。