api/db/migrate/20160122152012_create_children.rb
class CreateChildren < ActiveRecord::Migration[5.1]
def change
create_table :children do |t|
t.index :id
t.string :name, default: ''
t.string :photo_url
t.integer :user_id, index: true
t.datetime :deleted_at
t.timestamps null: false
end
add_foreign_key :children, :users
end
end