create_table "companies", force: true do |t|
  t.string "code"
  t.string "name"
  t.datetime "created_at"
  t.datetime "updated_at"
end
 
create_table "shares", force: true do |t|
  t.integer "company_id"
  t.decimal "value"
  t.datetime "timestamp"
  t.datetime "created_at"
  t.datetime "updated_at"
end