A simple implementation of different permissions for a user to sign in to see a different menu design for the database table list

Users who implement different permissions see different menus (menu level Two) and level two menu display content based on a menu

A. Menu table
ID (primary key),
Menu_name (menu name),
PARENT_MENU_ID (Parent menu ID),
Level (menu levels: 0, Level menu, 1, Level two menu ...) can be infinite level)
Two. Role Roles table
ID (primary key),
Role_name (role name)
Three. Role_menu Role Association Menu table
ID (primary key),
ROLE_ID (role ID),
MENU_ID (menu ID)
Four. User table
Id
User_name
Five. user_role User Role Table
Id
USER_ID (User ID),
ROLE_ID (role ID)

A simple implementation of different permissions for a user to sign in to see a different menu design for the database table list