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Question:
Given this code, which statement about the database table “documents” could be expected to be true?
class Document < ActiveRecord::Base
belongs_to :documentable, polymorphic: true
end

class Product < ActiveRecord::Base
has_many :documents, as: :documentable
end

class Service < ActiveRecord::Base
has_many :documents, as: :documentable
end

1. It would include a column for :type.

2. It would include columns for :documentable_id and :documentable_type.

3. It would include columns for :documentable and :type

4. It would include a column for :polymorphic_type.

Posted Date:-2022-09-17 03:34:23

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