It's a long story-but I am defining a way to simplify administration of multiple applications each differently under a rule based approach.
application "pos system"
tables
pos_user_type_link(user_type_id, user_id)
pos_user_type(id, description)
application "other system"
tables
other_system_type_link(user_type_id, user_id)
other_system_type(id, description)
universal...