Master Hibernate and JPA with Spring Boot in 100 Steps - Step 30 - Part 2 - ManyToOne Mapping - Implementing the Mapping

The video tutorial explains how to map course and review entities in Java, focusing on the one-to-many and many-to-one relationships. It covers the creation of getters, setters, and methods for managing reviews, and discusses database changes, including the addition of foreign key constraints. The tutorial concludes with data verification and application startup.

What is the relationship between a course and its reviews?

• Many-to-one

• Many-to-many

• One-to-one

• One-to-many

Why is it important to control the addition of reviews through specific methods?

• To allow batch processing of reviews

• To prevent unauthorized access to the review list

• To simplify the code structure

• To ensure reviews are added one at a time

What method should be used to add a review to a course?

• insertReview

• setReviews

• addReview

• updateReview

In the review entity, what is the relationship with the course?

• Many-to-many

• Many-to-one

• One-to-many

• One-to-one

Where is the 'mapped by' attribute placed in the course entity?

• On both entities

• On the course entity

• On the review entity

• It is not used

What new column is added to the reviews table to establish the relationship?

• review_ID

• course_ID

• student_ID

• teacher_ID

What tool is used to verify the data and relationships in the database?

• MongoDB Compass

• H2 Console

• PostgreSQL

• MySQL Workbench