Znajdź średni zarobek w SQL
SELECT FIRST_NAME FROM EMPLOYEES
WHERE SALARY = (SELECT AVG(SALARY) FROM EMPLOYEES);
Obedient Ocelot
SELECT FIRST_NAME FROM EMPLOYEES
WHERE SALARY = (SELECT AVG(SALARY) FROM EMPLOYEES);SELECT FIRST_NAME, LAST_NAME
FROM EMPLOYEES
WHERE SALARY > (SELECT AVG(SALARY) FROM EMPLOYEES);SELECT first_name, salary FROM employees
WHERE salary <= (SELECT AVG(salary) FROM employees);