Master Hibernate and JPA with Spring Boot in 100 Steps - Step 08 - Writing a Save Method to Update and Insert an Entity

The video tutorial explains how to create a save method that can handle both insert and update operations for course data. It uses an entity manager to persist new courses and merge existing ones. The tutorial demonstrates using a command line runner to save a new course and explains how Hibernate generates a sequence for course IDs. Finally, it shows how to verify the inserted data using the H2 console.

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