Введение в модель данных SQL

EMP_SAL FROM DEPT, EMP WHERE


WITH MNG (DEPT_NO_1, DEPT_NO_2, MNG_NAME, MNG_SAL) AS (SELECT DEPT.DEPT_NO, EMP.DEPT_NO, EMP_NAME, EMP_SAL FROM DEPT, EMP WHERE DEPT.MNG_NO = EMP.EMP_NO), MAX_DEPT_SAL (MAX_SAL, DEPT_NO) AS (SELECT MAX (EMP_SAL), DEPT_NO FROM EMP WHERE DEPT_NO IS NOT NULL GROUP BY DEPT_NO) SELECT DEPT_NO_1, MNG_NAME FROM MNG WHERE DEPT_NO_1 = DEPT_NO_2 AND MNG_SAL = (SELECT MAX_SAL FROM MAX_DEPT_SAL WHERE MAX_DEPT_SAL.DEPT_NO = DEPT_NO_1);
Пример 15.14.2.
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