1. What are the lowest and the highest product prices? One row: the lowest first.
2. When did the first customer sign up, and when did the latest one sign up? One row: the earliest first.
3. Which customer name comes first in alphabetical order?
4. What is the highest salary in department 2 (Support)?
5. Which product is the cheapest? Show its name, then its price. MIN alone does not give you the name.