consider a table which contain 4 columns,ename,eno,sal and
deptno, from this table i want to know ename who having
maximum salary in deptno 10 and 20.
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Answer Posted / vishnu prasad.ma
SELECT A.EMP_NAME, SUM(B.MAX_SALARY) AS MAX_SAL, B.EMP_DEPT_NO FROM EMP_DETAILS A,
(SELECT MAX(EMP_SAL) AS MAX_SALARY, EMP_DEPT_NO FROM EMP_DETAILS WHERE EMP_DEPT_NO IN (10,20)
GROUP BY EMP_DEPT_NO) B
WHERE
A.EMP_SAL = B.MAX_SALARY
AND A.EMP_DEPT_NO = B.EMP_DEPT_NO
GROUP BY A.EMP_NAME, B.EMP_DEPT_NO
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