23.09.29. SQL Developer 알고리즘 문제 ⑨
9. 1부터 10까지 짝수만 출력 -- 예제118. 1부터 10 까지 짝수만 출력. select deptno, listagg(ename, ', ') within group ( order by ename asc ) from emp group by deptno ; select listagg(ename, ', ') within group ( order by ename asc) from emp ; select listagg(ename, ', ') from emp ; select listagg(level, ', ') as 짝수 from dual where mod(level, 2) = 0 connect by level