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Question:
Which statement about ActiveRecord models is true?

1. Each database column requres adding a matching attr_accessor declaration in the ActiveRecord model.

2.All attributes in an ActiveRecord model are read-only declared as writable using attr_accessible

3. An instance of an ActiveRecord model will have attributes that match the columns in a corresponding database table.

4.ActiveRecord models can have only attributes that have a matching database column

Posted Date:-2022-09-17 04:21:41

More MCQS Questions and answers

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