Введение в модель данных SQL

SELECT EMP_NO, EMP_NAME, EMP_SAL FROM


SELECT EMP_NO, EMP_NAME, EMP_SAL FROM EMP WHERE DEPT_NO IS NOT NULL AND EMP_SAL BETWEEN (SELECT AVG(EMP1.EMP_SAL) FROM EMP EMP1 WHERE EMP.DEPT_NO = EMP1.DEPT_NO) AND (SELECT EMP1.EMP_SAL FROM EMP EMP1 WHERE EMP1.EMP_NO = ( SELECT DEPT.DEPT_MNG FROM DEPT WHERE DEPT.DEPT_NO = EMP.DEPT_NO ) );
Пример 14.7.
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