spring-data-jpa

Persistence layer patterns for Spring Data JPA repositories, entities, queries, and advanced features. Provides patterns for Spring Data JPA repositories, entity relationships, queries, pagination, auditing, and transactions. Creating repositories with CRUD operations, entity relationships, @Query annotations, pagination, auditing, or UUID primary keys. To implement a repository interface: Extend the appropriate repository interface: Use derived queries for simple conditions: Implement custom queries with @ Query: Define entities with proper annotations: Configure relationships using appropriate cascade types: Validation: Test cascade behavior with a small dataset before applying to production data. Verify delete operations don't cascade unexpectedly. Set up database auditing: 1. Verify entity configuration: 2. Optimize query performance: 3.