So finden Sie das Gehalt von Max und Min in SQL
SELECT MAX(SALARY) FROM EMPLOYEES
UNION
SELECT MIN(SALARY) FROM EMPLOYEES;
Obedient Ocelot
SELECT MAX(SALARY) FROM EMPLOYEES
UNION
SELECT MIN(SALARY) FROM EMPLOYEES;SELECT FIRST_NAME , SALARY
FROM EMPLOYEES
WHERE SALARY IN (SELECT MAX(SALARY)AS RESULT FROM EMPLOYEES
UNION
SELECT MIN(SALARY)AS RESULT FROM EMPLOYEES);