一种多用户数据库应用系统安全机制的实现方法

The Implementation Method of Security Mechanism of Multi-User Database Application System

文章针对一个具体的多用户数据库应用系统安全性要求的特点，提出了在应用程序上实现安全机制的一种方法，即把口令作为各基表的一个属性，在对基表进行操作时核对该属性与用户口令的方法。该方法可以达到的效果是：查询时数据共享，插入、修改、删除记录只能由某一口令拥有者执行。

This paper provides a method of implementing security mechanism in program in according to the features of a multi-user database application system. It is the method that set the password as a property of each table, and the properly must be compared with a password when operating table. The result is that every user can query data, but only the certain user who has the password can do the operation of insert, update and delete.