Original link: https://www.javacodegeeks.com/2026/06/database-indexing-mistakes-that-senior-java-developers-still-make-in-2026-a-deep-dive-with-postgresql-and-hibernate.html / Java Code Geeks.
The level is much higher than the usual "many queries get much faster bhy adding indexing" articles. This is definitely for the more experienced developers.
The tech stack is Java, Hibernate and PostgreSQL - but a lot of it applies to other tech stacks.