CREATE TABLE race (race_id NUMBER, name CLOB, class CLOB, date CLOB, track_id CLOB)
CREATE TABLE track (track_id NUMBER, name CLOB, location CLOB, seating NUMBER, year_opened NUMBER)

Show all track names that have had no races.
SELECT name FROM track WHERE NOT track_id IN (SELECT track_id FROM race)
SELECT "name" FROM "track" WHERE NOT "track_id" IN (SELECT "track_id" FROM "race")