CREATE TABLE certificate (eid NUMBER, aid NUMBER)
CREATE TABLE aircraft (aid NUMBER, name VARCHAR2, distance 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)

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