Database Systems

Consider the relation Flight Fares that records the fares of nonstop flights from one city A to another city B by various airlines. Note that the flights from city B to city A are independent from the flights from A to B for example; Write SQL query that returns the cost of the cheapest nonstop flight or flights between each pair of the cities. Show the result for the instance table above. Write SQL query that returns the cost of the cheapest cost and flights for traveling between each pair of cities a customer is Milling to stop once end-route. Show the result for the instance table above