🔗 9 advanced PostgreSQL features I wish I knew sooner

A few months ago, I struggled with a planning system. I needed to ensure that no two plans could overlap for the same period. My first instinct was to write application-level validation, but something felt off. Surely PostgreSQL had a better way?

That’s when I discovered the EXCLUDE constraint. It reminded me of other PostgreSQL features I’d found over the years that made me think, “Wait, Postgres can do that?!”

Here are some underused, yet useful PostgreSQL features that I discovered in past projects.