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)

Draw a bar chart showing the total number of every ship type by categorizing by nationality.
SELECT Type, COUNT(Type) FROM ship GROUP BY Nationality, Type
SELECT "Type", COUNT("Type") FROM "ship" GROUP BY "Nationality", "Type"