0
0

Delete article

Deleted articles cannot be recovered.

Draft of this article would be also deleted.

Are you sure you want to delete this article?

More than 3 years have passed since last update.

【Rails】 アソシエーションの種類

Posted at

アソシエーションの種類

メソッド 用途
belongs_to 1対1
has_one 1対1
has_many 1対多
has_many :through 多対多(中間モデル)
has_one :through 1対1(中間モデル)
has_and_belongs_to_man 他方のモデルと「多対多」のつながりを作成する。through:を指定した場合と異なり、第3のモデル(結合モデル)が介在しない
0
0
0

Register as a new user and use Qiita more conveniently

  1. You get articles that match your needs
  2. You can efficiently read back useful information
  3. You can use dark theme
What you can do with signing up
0
0

Delete article

Deleted articles cannot be recovered.

Draft of this article would be also deleted.

Are you sure you want to delete this article?