JavafromMedium1 month agoI Ignored These JPA Methods for Years-Now Spring Boot Application 10 FasterUse existsById() for existence checks and saveAll() with batching to reduce queries, memory use, and improve application performance and code clarity.
JavafromMedium1 month agoI Ignored These JPA Methods for Years-Now Spring Boot Application 10 FasterUsing JpaRepository.existsById and saveAll with proper batching reduces queries, memory use, and can improve application performance up to tenfold.
JavafromInfoWorld3 months agoWhat is JPA? Introduction to Java persistenceJPA enables CRUD via EntityManager and maps entity relationships (one-to-many, many-to-one, many-to-many, one-to-one) using annotations and foreign keys.