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

Return a bar chart on what are the names and distances for all airplanes?, and could you rank by the x axis in desc?
SELECT name, distance FROM aircraft ORDER BY name DESC
SELECT "name", "distance" FROM "aircraft" ORDER BY "name" DESC NULLS LAST