If you need to insert 100,000 records, iterating session.save() is slow. The PDF explains in detail.
"High-Performance Java Persistence" by Vlad Mihalcea is a comprehensive guide focusing on optimizing data access layers in Java applications, bridging the gap between application development and database administration. The book provides in-depth coverage of JDBC and JPA/Hibernate performance strategies, including connection management, batching, and caching techniques. Learn more about the book's contents and purchase options at Vlad Mihalcea's site Vlad Mihalcea High-Performance Java Persistence - Vlad Mihalcea High-performance Java Persistence.pdf
by Vlad Mihalcea is widely considered the definitive guide for Java developers looking to bridge the gap between their application code and the underlying relational database. While many developers treat persistence frameworks like Hibernate as a "black box," this book unravels their inner workings to prevent the common performance bottlenecks that plague enterprise applications. High-Performance Java Persistence - Vlad Mihalcea If you need to insert 100,000 records, iterating session
List<Post> posts = entityManager.createQuery("from Post", Post.class).getResultList(); for(Post p : posts) p.setStatus(Status.OLD); The book provides in-depth coverage of JDBC and