Hi! My name is Vlad Mihalcea, and I’m a Java Champion. I wrote the High-Performance Java Persistence book, which became one of the best-selling Java books on Amazon.I'm currently developing the amazing Hypersistence Optimizer, and in my free time, I develop various open-source projects (e.g. Hypersistence Utils and FlexyPool) and answer questions on StackOverflow. BlogI've been blogging since 2013 about Java, JPA, Hibernate, Spring, SQL, and database systems (e.g., Oracle, SQL Server, ...