IMP Topic to become a Postgres SQL Developer According to the Pareto principle, also known as the 80/20 rule, roughly 20% of the efforts yield 80% of the results. In the context of becoming a PostgreSQL developer, here are 20% of the important topics that can help you get started and make significant progress: Remember that this list provides a starting point, and there’s much more to learn and explore as you progress in your journey as a PostgreSQL developer. 45 Days Timetable to become a Postgres SQL Developer