关于数据库更新UPDATE命令的算法

An algorithm for Data Base update command and its application

本文从教学方法的角度讨论用其它工作区中数据库更新当前工作区中数据库的更新命令 UPDATE的算法，并通过实例加以说明 .

This paper is about the algorithm of update fields in the current table/.DBF with data from another table/.DBF open in another work area. Here is an example of its application in teaching .