返回最值所在行数据

CREATE OR REPLACE VIEW v AS
SELECT ‘10‘ AS depno, ‘101‘ AS empno, ‘A‘ AS ename, ‘2000‘ AS sal FROM DUAL
UNION ALL
SELECT ‘10‘ AS depno, ‘102‘ AS empno, ‘B‘ AS ename, ‘1000‘ AS sal FROM DUAL
UNION ALL
SELECT ‘10‘ AS depno, ‘103‘ AS empno, ‘C‘ AS ename, ‘2500‘ AS sal FROM DUAL
UNION ALL
SELECT ‘20‘ AS depno, ‘104‘ AS empno, ‘D‘ AS ename, ‘2000‘ AS sal FROM DUAL
UNION ALL
SELECT ‘20‘ AS depno, ‘105‘ AS empno, ‘E‘ AS ename, ‘4000‘ AS sal FROM DUAL
UNION ALL
SELECT ‘20‘ AS depno, ‘106‘ AS empno, ‘F‘ AS ename, ‘4000‘ AS sal FROM DUAL;

SELECT * FROM v;

SELECT depno,
       empno,
       MAX(ename) KEEP(DENSE_RANK FIRST ORDER BY sal) OVER(PARTITION BY depno) AS min,
       MAX(ename) KEEP(DENSE_RANK LAST ORDER BY sal) OVER(PARTITION BY depno) AS max,
       ename,
       sal
  FROM v
 ORDER BY depno, sal DESC;

SELECT depno,
       MIN(sal) AS min_sal,
       MAX(ename) KEEP(DENSE_RANK FIRST ORDER BY sal) AS min_name,
       MAX(sal) AS max_sal,
       MAX(ename) KEEP(DENSE_RANK LAST ORDER BY sal) AS max_nam
  FROM v
 GROUP BY depno;