CREATE TABLE aircraft (aid DECIMAL, name VARCHAR, distance DECIMAL)
CREATE TABLE certificate (eid DECIMAL, aid 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)

For each origin, how many flights came from there Show bar chart, and sort bar from low to high order please.
SELECT origin, COUNT(*) FROM flight GROUP BY origin ORDER BY origin
SELECT "origin", COUNT(*) FROM "flight" GROUP BY "origin" ORDER BY "origin" NULLS FIRST