Master Hibernate and JPA with Spring Boot in 100 Steps - Step 44 - JPA Inheritance Hierarchies and Mappings - Setting Up

The video tutorial covers the creation and use of an employee repository in a course project. It explains how to define methods for inserting and retrieving employees using an entity manager. The tutorial demonstrates setting up a demo application to insert sample employees and retrieve their details. It concludes with a brief overview of future steps for mapping employee inheritance to database tables.

What are the two main methods defined in the employee repository?

• Insert and retrieve

• Insert and delete

• Delete and update

• Update and retrieve

What is the purpose of the insert method in the employee repository?

• To update an employee's details

• To retrieve all employees

• To add a new employee

• To delete an employee

Which entity manager method is used to persist an employee?

• find

• persist

• remove

• merge

What type of query is used to retrieve all employees?

• Criteria query

• Native query

• JPQL query

• Named query

What is the return type of the retrieve method?

• Boolean

• Single Employee

• Integer

• List of Employee

In the demo application, what type of employees are inserted?

• Permanent and temporary

• Intern and consultant

• Contract and temporary

• Full-time and part-time

What is the hourly wage set for the part-time employee named Jill?

• 70

• 60

• 50

• 40