CREATE TABLE Employees (state_province_county VARCHAR(255), address_id VARCHAR(255), employee_address_id VARCHAR(255)); CREATE TABLE addresses (state_province_county VARCHAR(255), address_id VARCHAR(255), employee_address_id VARCHAR(255))
Find the states which do not have any employee in their record.
    
SQL: SELECT state_province_county FROM addresses WHERE NOT address_id IN (SELECT employee_address_id FROM Employees)