java-jpa-hibernate

Master data persistence with JPA and Hibernate for production applications. This skill covers JPA entity design, Hibernate optimization, Spring Data repositories, query strategies, and caching. Focuses on preventing N+1 queries and building high-performance persistence layers. Use when you need to: - Design JPA entities with relationships - Optimize database queries - Configure Hibernate for performance - Implement caching strategies - Debug persistence issues - Entity mapping annotations - Relationship types (1:1, 1:N, N:M) - Inheritance strategies - Lifecycle callbacks - Auditing - N+1 problem prevention - JOIN FETCH vs EntityGraph - Batch fetching - Projections and DTOs - @Transactional configuration - Propagation and isolation - Optimistic vs pessimistic locking - Deadlock prevention - First and second level cache - Query cache - Cache invalidation - Redis integration - java-performance - Query optimization - java-spring-boot - Spring Data