Microservice Architect Interview Questions and Answers

Spring Data provides support for locking and transactions to ensure data consistency and integrity.

• Spring Data JPA supports optimistic locking and pessimistic locking mechanisms.

• Optimistic locking is based on versioning where each entity has a version attribute that is checked before updating.

• Pessimistic locking locks the database row for a transaction to prevent other transactions from modifying it.

• Spring Data also supports declarative transaction management using @Transacti...read more