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

Show names for artists without any exhibition.
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")