java-jpa-hibernate

SKILL.md

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.

| JOIN FETCH | Always need relation | JOIN FETCH o.items | | EntityGraph | Dynamic fetching | @EntityGraph(attributePaths) | | @BatchSize | Collection access | @BatchSize(size = 20) | | DTO Projection | Read-only queries | new OrderSummary(...) |

掌握JPA/Hibernate - 實體設計、查詢、事務、性能優化 來源：pluginagentmarketplace/custom-plugin-java。

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