Spring Framework Master Class - Java Spring the Modern Way - Step 16 - Implementing Insert and Update Using the JPA Repo

The video tutorial covers the implementation of update and insert methods using the entity manager in a JPA demo application. It explains how the merge method is used for both updating and inserting records, depending on whether an ID is set. The tutorial demonstrates the process of running the application, observing query execution, and using Hibernate for automatic ID assignment. It emphasizes best practices, such as allowing Hibernate to handle ID assignment, and concludes with a review of the steps taken.

What happens if an ID is not passed when inserting a new person?

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Describe the sequence created by Hibernate for ID assignment.

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