> Please answer the question - how many customers does an > activitiesmanager belong to?
An activity manager can have multiple customer and repeat many time the same customer. but an activity manager can only have one to one activity So it should be has follow class ActivitiesManager < ActiveRecord::Base belongs_to :customers belongs_to :activity class Activity < ActiveRecord::Base has_one :activities_manager class Customer < ActiveRecord::Base has_many :activities_managers has_many :activities, :through => :activities_managers > Reading it is not enough. Work right through it, typing and running > the code on your PC, make sure you understand every single line of > code. Do all the exercises. In term of exercise i have done up to chapter 9 so far -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en-US.