ruby on rails

1. onysHhoips
dsh Reegluaetbiy Am y
veRecor e t id
Actuiby on Rails cheat
aR
note: has_many and has_one
work identically except for the
number of relationships. both go on
the table/model that does not
feature the foreign key
belongs to has many
create table customers ( create table companies (
id int auto_increment primary key, id int auto_increment prim