1. Mathematical Functions and Operators Syntax SELECT film_id, rental_rate as old_rental_rate, CEILING(rental_rate * 1.1) as new_rental_rate FROM film https://www.postgresql.org/docs/16/functions-math.html 9.3. Mathematical Functions and Operators 9.3. Mathematical Functions and Operators # Mathematical operators are provided for many PostgreSQL types. For types without standard mathematical con..
