Re:문제282. (오늘의 마지막 문제) SQL 알고리즘 15번. factorial 을 with 절로 구현하시오 !

[11기_전지연]

accept N prompt ' 숫자를 입력하세요~ '

with factorial_table as (select &N || '팩토리얼은 ' || round(exp(sum(ln(level)))) || '입니다.' as factorial
                            from dual
                            connect by level <= &N)
select factorial
  from factorial_table;