Master Hibernate and JPA with Spring Boot in 100 Steps - Step 25 - OneToOne Mapping - Retrieving Student with Passport a

The video tutorial explains how to retrieve student and passport details using eager fetching in a one-to-one relationship. It demonstrates the use of the entity manager to fetch data and highlights the default behavior of eager fetching, where related data is retrieved simultaneously. The tutorial also covers debugging and testing processes, emphasizing the importance of understanding how data retrieval works in the background. The session concludes with a brief mention of lazy fetching, which will be discussed in the next tutorial.

What is the primary purpose of setting up the student repository test in the context of eager fetching?

• To retrieve only the student details

• To delete student records

• To retrieve both student and passport details

• To update student details

Which method is used to find a student by ID using the entity manager?

• em.getStudentById()

• em.findStudent()

• em.find()

• em.retrieveStudent()

What is the default behavior of a one-to-one relationship in terms of fetching strategy?

• Selective fetching

• Manual fetching

• Eager fetching

• Lazy fetching

In the context of the video, what additional information is retrieved along with the student details due to eager fetching?

• Course details

• Passport details

• Address details

• Contact details

What future topic is hinted at the end of the video regarding fetching strategies?

• Selective fetching

• Batch fetching

• Lazy fetching conversion

• Advanced eager fetching