High-performance Java Persistence Book Pdf Now

The book (and the high-performance community) emphasizes that locks are evil. Optimistic locking via @Version is the gold standard. But here is the interesting twist most PDF summaries miss:

Deep-diving into the internal mechanics of the most popular JPA implementation. high-performance java persistence book pdf

Before diving into JPA and Hibernate, the book strips back the layers to Java Database Connectivity (JDBC). You cannot master an abstraction if you don't understand the underlying abstraction layer. high-performance java persistence book pdf

Most developers do this:

Standard soft deletes (using a deleted flag) cause unique constraints to fail. The book introduces a brilliant Hibernate-specific pattern: high-performance java persistence book pdf