Master Hibernate and JPA with Spring Boot in 100 Steps - Step 21 - Entities and Relationships - an Overview

The video tutorial covers the structure of a course table, including its attributes and queries using JPQL and native queries. It then shifts focus to the relationships between different entities such as courses, students, passports, and reviews. The tutorial explains various types of relationships: many-to-many between courses and students, one-to-one between students and passports, and many-to-one between courses and reviews. The video concludes with a summary of these relationships and a preview of future steps in defining entities and relationships.

What are the two types of queries mentioned for interacting with the course table?

• JPQL and native queries

• ORM and JDBC

• DML and DDL

• SQL and NoSQL

Which tables are introduced as related to the course table?

• Department, Faculty, and Staff

• Student, Passport, and Reviews

• Teacher, Classroom, and Grades

• Library, Books, and Authors

What type of relationship exists between a course and students?

• One-to-One

• One-to-Many

• Many-to-One

• Many-to-Many

How is the relationship between a student and a passport described?

• Many-to-One

• One-to-One

• One-to-Many

• Many-to-Many

What is the nature of the relationship between a course and its reviews?

• Many-to-Many

• Many-to-One

• One-to-Many

• One-to-One

In the context of the video, what does a review typically associate with?

• Multiple courses

• A single course

• Multiple students

• A single student

What is the primary focus of the video in terms of database concepts?

• Database security

• Indexing strategies

• Entity relationships

• Data normalization