CREATE TABLE ship (Ship_ID NUMBER, Name CLOB, Type CLOB, Nationality CLOB, Tonnage NUMBER)
CREATE TABLE mission (Mission_ID NUMBER, Ship_ID NUMBER, Code CLOB, Launched_Year NUMBER, Location CLOB, Speed_knots NUMBER, Fate CLOB)

For each type, what is the average tonnage, show from low to high by the Type.
SELECT Type, AVG(Tonnage) FROM ship GROUP BY Type ORDER BY Type
SELECT "Type", AVG("Tonnage") FROM "ship" GROUP BY "Type" ORDER BY "Type"