spring-data-jpa
Persistence layer patterns for Spring Data JPA repositories, entities, queries, and advanced features.
- Create repository interfaces extending JpaRepository with derived queries, custom @Query methods, and automatic CRUD operations
- Configure entity relationships (one-to-one, one-to-many, many-to-many) with appropriate cascade types and fetch strategies
- Implement pagination, sorting, database auditing with timestamps and user tracking, and transaction management
- Optimize performance using database indexes, @EntityGraph to prevent N+1 queries, and proper fetch strategies (LAZY vs EAGER)
- Support UUID primary keys, multiple database configurations, and read-only transaction annotations for query optimization
Spring Data JPA
Overview
Provides patterns for Spring Data JPA repositories, entity relationships, queries, pagination, auditing, and transactions.
When to Use
Creating repositories with CRUD operations, entity relationships, @Query annotations, pagination, auditing, or UUID primary keys.
Instructions
Create Repository Interfaces
To implement a repository interface:
- Extend the appropriate repository interface:
@Repository
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