High-performance Java Persistence.pdf [repack] -

As a and top contributor to the Hibernate project, Mihalcea brings insane technical depth to a topic that many developers treat as a "black box". This article explores why this resource is essential and what you will find inside its 480+ pages. Why This Book is a Must-Read

| Anti-pattern | Consequence | |-------------|-------------| | @OneToMany with CascadeType.ALL + eager fetch | N+1 queries + large joins | | Open Session in View (OSIV) | Long-running DB transactions | | Using wrapper types in GROUP BY | Surprising null behavior | | Not defining equals() / hashCode() on entities | Broken collections in detached state | | Using merge() instead of persist() | Unnecessary select before insert | High-performance Java Persistence.pdf

Maya stared at the stack trace in her terminal. The staging database, which had hummed along happily for months, was now vomiting LockAcquisitionException and ConnectionTimeout errors. The new "Order History" feature, the one the VP had promised to a major client by morning, was bringing the entire e-commerce platform to its knees. As a and top contributor to the Hibernate