What is JPA transaction rollback and how does it work?

What is JPA transaction rollback and how does it work?

JPA transaction rollback is a mechanism to revert changes made during a transaction if an error occurs. It ensures data integrity.

Can you explain when a rollback is triggered?

A rollback is typically triggered when an exception occurs during a transaction, preventing partial updates to the database.

How do I implement a rollback in my JPA code?

You can implement a rollback by using the @Transactional annotation in your service methods. If an exception is thrown, the transaction will automatically roll back.

Are there any best practices for handling transactions in JPA?

Yes, always keep transactions short, handle exceptions properly, and avoid unnecessary locking to improve performance.