Grant permissions in a database are not the same as permission management in the system.

Grant permissions in a database are not the same as permission management in the system.
Grant is generally assigned to individuals, to all or a single database additions and deletions and other permissions, not to mention.
The Rights management system constructs the table in the database, the existence role, the permission, the different menu, writes the code control on the Java level. Can be controlled with filter or if.


Resources:
Grant
Http://www.cnblogs.com/Richardzhu/p/3318595.html
http://blog.csdn.net/leshami/article/details/5688875
http://7567567.blog.51cto.com/706378/710159
Http://blog.sina.com.cn/s/blog_49cc672f0100w4dt.html

Rights Management System:
Http://www.blogjava.net/amigoxie/archive/2007/10/06/150646.html
Http://www.cnblogs.com/leoxie2011/archive/2011/05/19/2050626.html
Http://www.cnblogs.com/freetalent/articles/1335681.html