Add a reference column migration in Rails 4

Add a reference column migration in Rails 4

ruby-on-rails ruby-on-rails-4 foreign-keys rails-activerecord rails-migrations

ruby-on-rails

Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?

ruby-on-rails activerecord foreign-keys

ruby-on-rails

Defining foreign key relationships for Rails' models

ruby-on-rails foreign-keys

ruby-on-rails

Why do Rails migrations define foreign keys in the application but not in the database?

ruby-on-rails database foreign-keys referential-integrity

ruby-on-rails

Rails has_one with class name and foreign key

ruby-on-rails activerecord foreign-keys

ruby-on-rails

has_many :through with a foreign key?

ruby-on-rails foreign-keys associations has-many-through

ruby-on-rails

Does Rails need database-level constraints?

ruby-on-rails foreign-keys foreign-key-relationship auto-generate

ruby-on-rails

What Does Rails Do With Both :dependent => :destroy and cascade delete/nullify/restrict

ruby-on-rails foreign-keys cascade dependent-destroy

ruby-on-rails

Rails: violates foreign key constraint

ruby-on-rails ruby reference foreign-keys relational-database

ruby-on-rails

Add :on_delete to already existing foreign_key in rails migration

ruby-on-rails ruby database foreign-keys migration

ruby-on-rails

Rails custom foreign_key name on both table

ruby-on-rails foreign-keys associations

ruby-on-rails