In this episode of Scaling Postgres, we discuss when and how you should use UUIDs or not, how to optimize space with column order and arrays, whether it is better to tune parameters or queries and what devs should know about Postgres with Andrew Atkinson. To get the show notes as well as get notified of new episodes, visit:  https://www.scalingpostgres.com/episodes/302-uuid-vs-bigint-battle/