Oracle SQL sample database

Question

I\'m trying to learn Oracle SQL by database Supplied by it. I found somewhere tasks to be done. Database structure is supplied by Oracle:

CREATE TABLE EMP
(EMPNO         


        

Answer 1

Screen Shot ////// Try this out

SELECT E.EMPNO, E.ENAME, E.JOB, D.DNAME, E.SAL, E.DEPTNO, S.GRADE 
FROM EMP E, SALGRADE S, DEPT D 
WHERE E.SAL IN (SELECT MAX(SAL) FROM EMP GROUP BY DEPTNO) 
AND E.SAL BETWEEN S.LOSAL AND S.HISAL 
AND E.DEPTNO = D.DEPTNO
ORDER BY E.SAL DESC