How to choose the Department with employees in the same line?

Hello world

I need to make this request,

Suppose we have 2 departments with n used on each Department

I need to select the departments with only 2 employees in the same line, example here

Department Name of Department Employee1 Employee2
10HUMAN RESOURCESMarcSteve
20HEPaul
30New Department
40FinanceJeanMichael

This query below did not work because it only displays the first employee, but I need to display 2 employees (same as the above table)

select
deptno,
(select ename from emp, dept where rownum =1 and emp.deptno = dept.deptno) employee1,
(select ename from emp, dept where rownum = 2 and emp.deptno = dept.deptno) employee2

from dept;

...

I did this, but with the function returning the Emp2Dep1 Emp1Dep1

function get_ename(p_dept number,p_col number)
return varchar2
is
    v_ename varchar2(4000);
    v_first boolean := true;
BEGIN
        select ename
              into v_ename
              from
                  (
                  select ename, rownum as rn
                  from (
                        select ename
                        from emp ,dept
                        where    emp.deptno        = p_dept
                        order by 1 asc
                        )
           
                  )
              where rn = p_col;       
          

     return v_ename;
END;

and simply put

select
get_ename(deptno ,1 ) employee1,
get_ename(deptno ,2 ) employee2
from dept;

Is there a better way to do it?

NB: database 11g

Thank you

Select the Department, employee1, employee2

(select Department, name, cnt

(name, department, row_number (select) at the NTC (partition by order of the Department by null)

employees

)

where NTC<=>

)

Pivot (max (name) of the cnt (1 as employee1, 2 as employee2))

order by Department

DEPARTMENT EMPLOYEE1 EMPLOYEE2
10 Marc Steve
20 Paul -
30 - -
40 Jean Michael
50 Alpha Beta

Concerning

Etbin

Tags: Database

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