你正在寻找这里基于角色的安全性。您的数据库需要有以下表格：

You are looking for role based security here. Your data base needs to have following tables:

User
Role
Rights

现在，您的应用程序需要检查当前用户是否链接到有权更新值的角色。

Now, once you have this, your application needs to check if current user is linked to role which has right to update the values or not.