CREATE TABLE artist (artist_id NUMBER, name CLOB, country CLOB, year_join NUMBER, age NUMBER)
CREATE TABLE exhibition_record (exhibition_id NUMBER, date CLOB, attendance NUMBER)
CREATE TABLE exhibition (exhibition_id NUMBER, year NUMBER, theme CLOB, artist_id NUMBER, ticket_price NUMBER)

What are the names of artists that have not had any exhibitions?
SELECT name FROM artist WHERE NOT artist_id IN (SELECT artist_id FROM exhibition)
SELECT "name" FROM "artist" WHERE NOT "artist_id" IN (SELECT "artist_id" FROM "exhibition")