Master Hibernate and JPA with Spring Boot in 100 Steps - Step 31 - ManyToOne Mapping - Retrieving and Inserting Reviews

The video tutorial explains how to manage many-to-one relationships between courses and reviews using JPA. It covers creating, retrieving, and adding new reviews to a course, and persisting these reviews to a database. The tutorial also highlights the importance of setting relationships correctly and concludes with a plan to make the methods more generic by removing hardcoded values.

What type of relationship exists between a course and its reviews?

• Many-to-many

• Many-to-one

• One-to-many

• One-to-one

What is the first step in adding reviews to a course?

• Update the course details

• Retrieve the course by ID

• Create a new course

• Delete existing reviews

Which method is used to retrieve a course by its ID?

• findByReview

• findByName

• findByCourse

• findByID

What must be done after creating new reviews to associate them with a course?

• Change the review rating

• Delete the course

• Set the course on the review

• Update the course name

What is the final step to ensure reviews are saved to the database?

• Update the course

• Persist the reviews

• Persist the course

• Delete the reviews

How can you verify that new reviews have been added to the database?

• Check the student table

• Check the review table

• Check the course table

• Check the instructor table

What is the next step after adding reviews to make the method more efficient?

• Add more hardcoded values

• Remove hardcoding and create a generic method

• Delete the existing method

• Add more courses