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