Top Five PostgreSQL Surprises from Rails Developers Dive Deeper Into PostgreSQL Capabilities

Top Five PostgreSQL Surprises from Rails Developers

medium.com/pragmatic-pr...

Project:M36 Blog - Are You Qualified To Use NULL in SQL?

A tricky quiz designed to test your intuition about how NULL interacts with types, predicates, and aggregations. It's a real brain teaser! (Note: My Postgres behaves differently on the final question from the expected answer, showing just how confusing NULL can be.)
agentm.github.io/project-m36/...