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Ruby On Rails MCQs

Given a table of blog_posts and a related table of comments (comments made on each blog post), which ActiveRecord query will retrieve all blog posts with comments created during @range?

BlogPost.joins (:comments).where(comments: {created_at: @range})

BlogPost.where(['comments.created_at', @range])

BlogPost.preload (

BlogPost.includes (:comments).where('comments.created_at' => @range)

Answer

Correct Answer: BlogPost.joins (:comments).where(comments: {created_at: @range})

Explanation:

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