diff --git a/db/migrate/20200313143640_add_parent_id_to_structured_answer.rb b/db/migrate/20200313143640_add_parent_id_to_structured_answer.rb
new file mode 100644
index 0000000..4400697
--- /dev/null
+++ b/db/migrate/20200313143640_add_parent_id_to_structured_answer.rb
@@ -0,0 +1,5 @@
+class AddParentIdToStructuredAnswer < ActiveRecord::Migration
+  def change
+    add_column :structured_answers, :parent_id, :integer
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index c86482d..f655258 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20200313135459) do
+ActiveRecord::Schema.define(version: 20200313143640) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -421,6 +421,7 @@
     t.datetime "created_at",                null: false
     t.datetime "updated_at",                null: false
     t.string   "classname"
+    t.integer  "parent_id"
   end
 
   add_index "structured_answers", ["answer_id"], name: "index_structured_answers_on_answer_id", using: :btree