CREATE TABLE shop (address VARCHAR(255), num_of_staff VARCHAR(255), shop_id VARCHAR(255)); CREATE TABLE happy_hour (address VARCHAR(255), num_of_staff VARCHAR(255), shop_id VARCHAR(255))
Find the address and staff number of the shops that do not have any happy hour.
    
SQL: SELECT address, num_of_staff FROM shop WHERE NOT shop_id IN (SELECT shop_id FROM happy_hour)