DEPT_NO FROM EMP EMP1 WHERE
| SELECT DEPT.DEPT_NO, AVG (EMP.EMP_SAL) FROM DEPT, EMP WHERE DEPT.DEPT_NO = EMP.DEPT_NO GROUP BY DEPT.DEPT_NO HAVING NOT EXISTS (SELECT EMP1. DEPT_NO FROM EMP EMP1 WHERE EMP1.DEPT_NO <> DEPT.DEPT_NO GROUP BY EMP1.DEPT_NO HAVING AVG (EMP1.EMP_SAL)= AVG (EMP.EMP_SAL)); |
| Пример 15.10.1. |
| Закрыть окно |
