Ruby on Rails ActiveRecord Migrations Create a join table
Example
To create a join table between students and courses, run the command:
$ rails g migration CreateJoinTableStudentCourse student course
This will generate the following migration:
class CreateJoinTableStudentCourse < ActiveRecord::Migration[5.0]
def change
create_join_table :students, :courses do |t|
# t.index [:student_id, :course_id]
# t.index [:course_id, :student_id]
end
end
end
