gistfile1.rb

# Class for a table called "zombies" in MySQL with some columns
class Zombie < ActiveRecord::Base
  validates_presence_of :name       #name column must exist before saving to DB
  validates_uniqueness_of :name     #names must be unique
  has_many :weapons                 #The weapons table will have a column describing ownership by zombies
end

# Class for "weapons" table
class Weapon < ActiveRecord::Base
  belongs_to :zombie      #Other half of ownership, column will be called "zombie_id"
end

# Get a list of all weapons that the zombie with id 3 owns
w = Zombie.find(3).weapons