Which of the following is a good use case for embedding documents?
A product and its reviews, where the number of reviews can be very large.
A student and the courses they are enrolled in, where a student can be enrolled in many courses and a course can have many students.
A blog post and its comments, where the number of comments is small and they are always displayed with the post.
An author and the books they have written, where the books are also stored as separate documents with their own details.
This question is part of this quiz :
MongoDB Data Model Quiz