Java JPA Hibernate Skill Master data persistence with JPA and Hibernate for production applications. Overview 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. When to Use This Skill Use when you need to: - Design JPA entities with relationships - Optimize database queries - Configure Hibernate for performance - Implement caching strategies - Debug persistence issues Topics Covered Entity Design - Entity mapping annotations - Relationship type…