High-performance Java Persistence.pdf !!link!! Jun 2026

This is not a beginner's "Hello World" book. You should download (or purchase) this PDF if you are:

The latest editions of the High-performance Java Persistence.pdf cover: High-performance Java Persistence.pdf

Each click of "View Order History" triggered what she now saw as a cascade of inefficiency: a JPQL query so lazy it fetched only IDs, then a separate SELECT for each of the 200 orders, then another for each item inside those orders, then another for the shipping details. The infamous N+1 problem. The database wasn't slow; it was being waterboarded by thousands of tiny, desperate queries. This is not a beginner's "Hello World" book