FROM DEPT, EMP WHERE
| SELECT DEPT.DEPT_NO, (SELECT COUNT(*) FROM EMP WHERE DEPT.DEPT_NO = EMP.DEPT_NO) FROM DEPT, EMP WHERE DEPT.DEPT_MNG = EMP.EMP_NO AND EMP.DEPT_NO IS NULL; |
| Пример 15.6.2. |
| Закрыть окно |
Введение в модель данных SQL
| SELECT DEPT.DEPT_NO, (SELECT COUNT(*) FROM EMP WHERE DEPT.DEPT_NO = EMP.DEPT_NO) FROM DEPT, EMP WHERE DEPT.DEPT_MNG = EMP.EMP_NO AND EMP.DEPT_NO IS NULL; |
| Пример 15.6.2. |
| Закрыть окно |
