CREATE TABLE certificate (eid NUMBER, aid NUMBER)
CREATE TABLE employee (eid NUMBER, name VARCHAR2, salary NUMBER)
CREATE TABLE flight (flno NUMBER, origin VARCHAR2, destination VARCHAR2, distance NUMBER, departure_date DATE, arrival_date DATE, price NUMBER, aid NUMBER)
CREATE TABLE aircraft (aid NUMBER, name VARCHAR2, distance NUMBER)

Show the number of flights in each destination city with a bar chart, rank by the X from low to high.
SELECT destination, COUNT(destination) FROM flight GROUP BY destination ORDER BY destination
SELECT "destination", COUNT("destination") FROM "flight" GROUP BY "destination" ORDER BY "destination"