CREATE TABLE university (school_id NUMBER, school CLOB, location CLOB, founded NUMBER, affiliation CLOB, enrollment NUMBER, nickname CLOB, primary_conference CLOB)
CREATE TABLE basketball_match (team_id NUMBER, school_id NUMBER, team_name CLOB, acc_regular_season CLOB, acc_percent CLOB, acc_home CLOB, acc_road CLOB, all_games CLOB, all_games_percent NUMBER, all_home CLOB, all_road CLOB, all_neutral CLOB)

How many schools do not participate in the basketball match?
SELECT COUNT(*) FROM university WHERE NOT school_id IN (SELECT school_id FROM basketball_match)
SELECT COUNT(*) FROM "university" WHERE NOT "school_id" IN (SELECT "school_id" FROM "basketball_match")