pg-mem is an experimental in-memory emulation of a postgres database. ⭐ this repo if you like this package, it helps to motivate me :) 👉 See it in action with pg-mem playground As always, it starts with an: Then, assuming you're using something like webpack, if you're targeting a browser: Pretty straightforward :) ❤ Head to the pgsql-ast-parser repo The sql syntax parser is home-made.