Master Hibernate and JPA with Spring Boot in 100 Steps - FAQ 2 - When do We Need @Transactional in a Unit Test?

The video tutorial explains the importance of using transactions in unit tests, especially when making direct changes to the database. It highlights the role of the @Transactional annotation in ensuring that methods and their logic are executed within transaction boundaries. The tutorial also discusses how repository methods inherently handle transactions and the issues that arise when direct changes are made in unit tests without transactions. Finally, it provides guidance on using @Transactional to ensure that unit tests run within a transaction, maintaining data integrity.

How does using a repository like the course repository provide transaction boundaries?

What is the consequence of not having a transaction in a unit test when interacting with the entity manager?