UPDATE employees SET last_name = 'Lopez' WHERE employee_id = 192;
SELECT employee_id, first_name, last_name FROM employees WHERE employee_id = 192;
SELECT * FROM dependents WHERE employee_id = 192;
UPDATE dependents SET last_name = 'Lopez' WHERE employee_id = 192;
UPDATE dependents SET last_name = ( SELECT last_name FROM employees WHERE employee_id = dependents.employee_id );
SELECT * FROM countries;
SELECT * FROM departments;
SELECT * FROM dependents;
SELECT * FROM employees;
SELECT * FROM jobs;
SELECT * FROM locations;
SELECT * FROM regions;
