https://www.postgresql.org/docs/current/static/index.html https://www.postgresql.org/docs/current/static/index.html Postgres has an excellent manual. It has an

https://www.postgresql.org/docs/current/static/index.html https://www.postgresql.org/docs/current/static/index.html Postgres has an excellent manual. It has an internal scripting language called PL/pgSQL which is (to put it politely) not intuitive at all. The manual was enough to help me write a query to implement a binary tree search.