DEPT_NO FROM DEPT WHERE EXISTS
SELECT DEPT. DEPT_NO FROM DEPT WHERE EXISTS (SELECT EMP.DEPT_NO FROM EMP WHERE EMP.DEPT_NO <> DEPT.DEPT_NO GROUP BY EMP.DEPT_NO HAVING MAX (EMP.EMP_SAL)= (SELECT AVG (EMP1.EMP_SAL) FROM EMP EMP1 WHERE EMP1.DEPT_NO = DEPT.DEPT_NO)); |
Пример 15.9.1. |
Закрыть окно |