Exercise 6.3.2: \Vrite the following queries, based on the database schema

Classes(class, type, country, numGuns, bore, displacement)

Ships(name, class, launched)

Battles(name, date)

Outcomes(ship, battle, result)

You should use at least one subquery in each of your answers

a) Find the countries whose ships had the largest number of guns.

! b) Find the classes of ships, at least one of which was sunk in a battle.

e) Find the names of the ships with a 16-inch bore.

d) Find the battles in which shw~ of the Kongo class participated