select e.FIRST_NAME, d.DEPT_NAME, min(s.salary), max(s.salary)
from EMPLOYEE e
INNER JOIN DEPARTMENT d
on e.ID = d.EMP_ID
INNER JOIN SALARY s
on e.ID = s.EMP_ID
WHERE e.ID = '1' GROUP BY e.FIRST_NAME, d.DEPT_NAME;
with out group by na “not a single-group group function” while using min, max
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