One to many example

Author: kinseyost

Tutorial_Docs/Associations.MD

@@ -7,6 +7,18 @@
 ## One-to-many
 * has_many
 * belongs_to
+In ruby console, you can use these methods for has_many
+```
+subject.pages
+subject.pages << pages # append a pages
+subject.pages = [page, page, page] # have to append them all if you want to add
+subject.pages.delete(page)
+subject.pages.destroy(page)
+subject.pages.clear
+subject.pages.empty?
+subject.pages.size
+```
+
 
 ## Many to Many
 (When join table only has foreign keys)

app/models/subject.rb

@@ -1,7 +1,7 @@
 class Subject < ApplicationRecord
 
   # Relations
-  has_one :page # Doesn't actually have 1, but showing for demonstration purposes
+  has_many :pages
 
   # Lamda is read at execution time, which is important for dates.
   scope :visible, lambda { where(:visible => true) }