ActiveRecord::Associations::ClassMethods
Ruby on Rails 7.1.3.4 Module ActiveRecord::Associations::ClassMethods activerecord/lib/active_record/associations.rb Active Record Associations Associations are a set of macro-like class methods for tying objects together through foreign keys. They express relationships like “Project has one Project Manager” or “Project belongs to a Portfolio”. Each macro adds a number of methods to the class whic
Active Record Associations — Ruby on Rails Guides
This guide covers the association features of Active Record. After reading this guide, you will know how to: Declare associations between Active Record models. Understand the various types of Active Record associations. Use the methods added to your models by creating associations. 1 Why Associations?In Rails, an association is a connection between two Active Record models. Why do we need associat
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