Create the pizza database using pizza.sql which is:

/* Create the schema for our tables */ create table Person(name VARCHAR(30), age int, gender VARCHAR(10)); create table Frequents(name VARCHAR(30), pizzeria VARCHAR(30)); create table Eats(name VARCHAR(30), pizza VARCHAR(30)); create table Serves(pizzeria VARCHAR(30), pizza VARCHAR(30), price float); /* Populate the tables with our data */ insert into Person values('Amy', 16, 'female'); insert into Person values('Ben', 21, 'male'); insert into Person values('Cal', 33, 'male'); insert into Person values('Dan', 13, 'male'); insert into Person values('Eli', 45, 'male'); insert into Person values('Fay', 21, 'female'); insert into Person values('Gus', 24, 'male'); insert into Person values('Hil', 30, 'female'); insert into Person values('Ian', 18, 'male'); insert into Frequents values('Amy', 'Pizza Hut'); insert into Frequents values('Ben', 'Pizza Hut'); insert into Frequents values('Ben', 'Chicago Pizza'); insert into Frequents values('Cal', 'Straw Hat'); insert into Frequents values('Cal', 'New York Pizza'); insert into Frequents values('Dan', 'Straw Hat'); insert into Frequents values('Dan', 'New York Pizza'); insert into Frequents values('Eli', 'Straw Hat'); insert into Frequents values('Eli', 'Chicago Pizza'); insert into Frequents values('Fay', 'Dominos'); insert into Frequents values('Fay', 'Little Caesars'); insert into Frequents values('Gus', 'Chicago Pizza'); insert into Frequents values('Gus', 'Pizza Hut'); insert into Frequents values('Hil', 'Dominos'); insert into Frequents values('Hil', 'Straw Hat'); insert into Frequents values('Hil', 'Pizza Hut'); insert into Frequents values('Ian', 'New York Pizza'); insert into Frequents values('Ian', 'Straw Hat'); insert into Frequents values('Ian', 'Dominos'); insert into Eats values('Amy', 'pepperoni'); insert into Eats values('Amy', 'mushroom'); insert into Eats values('Ben', 'pepperoni'); insert into Eats values('Ben', 'cheese'); insert into Eats values('Cal', 'supreme'); insert into Eats values('Dan', 'pepperoni'); insert into Eats values('Dan', 'cheese'); insert into Eats values('Dan', 'sausage'); insert into Eats values('Dan', 'supreme'); insert into Eats values('Dan', 'mushroom'); insert into Eats values('Eli', 'supreme'); insert into Eats values('Eli', 'cheese'); insert into Eats values('Fay', 'mushroom'); insert into Eats values('Gus', 'mushroom'); insert into Eats values('Gus', 'supreme'); insert into Eats values('Gus', 'cheese'); insert into Eats values('Hil', 'supreme'); insert into Eats values('Hil', 'cheese'); insert into Eats values('Ian', 'supreme'); insert into Eats values('Ian', 'pepperoni'); insert into Serves values('Pizza Hut', 'pepperoni', 12); insert into Serves values('Pizza Hut', 'sausage', 12); insert into Serves values('Pizza Hut', 'cheese', 9); insert into Serves values('Pizza Hut', 'supreme', 12); insert into Serves values('Little Caesars', 'pepperoni', 9.75); insert into Serves values('Little Caesars', 'sausage', 9.5); insert into Serves values('Little Caesars', 'cheese', 7); insert into Serves values('Little Caesars', 'mushroom', 9.25); insert into Serves values('Dominos', 'cheese', 9.75); insert into Serves values('Dominos', 'mushroom', 11); insert into Serves values('Straw Hat', 'pepperoni', 8); insert into Serves values('Straw Hat', 'cheese', 9.25); insert into Serves values('Straw Hat', 'sausage', 9.75); insert into Serves values('New York Pizza', 'pepperoni', 8); insert into Serves values('New York Pizza', 'cheese', 7); insert into Serves values('New York Pizza', 'supreme', 8.5); insert into Serves values('Chicago Pizza', 'cheese', 7.75); insert into Serves values('Chicago Pizza', 'supreme', 8.5);

Write RA and SQL expressions for each of the following questions.

Q1 (1 point). Find all the persons under the age of 18.

Q2. (2 points) Find all the pizzerias that serve at least one pizza that Amy eats for less than $10.00. Print out the pizzeria name, pizza, and price.

Q3. (2 points) Find all the pizzerias frequented by at least one person under the age of 18. Print out the pizzeria name, person's name, and person's age.

Q3. (2 points) Find all the pizzerias frequented by at least one person under the age of 18 and at least one person over the age of 30. Print out only the pizzeria name.

Q4. (2 points) Find all pizzerias frequented by at least one person under the age of 18 and at least one person over the age of 30. Print out all the quintuples (pizzeria, person1, age1, person2, age2), where person1 and person2 are persons who frequent the pizzeria, and person1 is under the age of 18 and person2 is over the age of 30.

Q5. (2 points) For each person, find how many types of pizzas he/she eats. Show only those people who eat at least two types of pizzas. Sort in descending order of the number of types of pizzas they eat.

Q6. (2 points) For each type of pizza, find its average price. Sort descending by average price.