ソースコード
with tmp as (
select
    SURVEY_YEAR
    ,PF_CODE
    , '小学校' as KIND
    , ELEMENTARY AS AMT
    , 1 as rn
from
    ENROLLMENT_STATUS
where
    SURVEY_YEAR = 2020
    and ELEMENTARY > 0
    and ELEMENTARY is not null
UNION ALL
select
    SURVEY_YEAR
    ,PF_CODE
    , '中学校' as KIND
    , MIDDLE AS AMT
    , 2 as rn
from
    ENROLLMENT_STATUS
where
    SURVEY_YEAR = 2020
    and MIDDLE > 0
    and MIDDLE is not null
UNION ALL
select
    SURVEY_YEAR
    ,PF_CODE
    , '高校' as KIND
    , HIGH AS AMT
    , 3 as rn
from
    ENROLLMENT_STATUS
where
    SURVEY_YEAR = 2020
    and HIGH > 0
    and HIGH is not null
UNION ALL
select
    SURVEY_YEAR
    ,PF_CODE
    , '短大' as KIND
    , JUNIOR_CLG AS AMT
    , 4 as rn
from
    ENROLLMENT_STATUS
where
    SURVEY_YEAR = 2020
    and JUNIOR_CLG > 0
    and JUNIOR_CLG is not null
UNION ALL
select
    SURVEY_YEAR
    ,PF_CODE
    , '大学' as KIND
    , COLLEGE AS AMT
    , 5 as rn
from
    ENROLLMENT_STATUS
where
    SURVEY_YEAR = 2020
    and COLLEGE > 0
    and COLLEGE is not null
UNION ALL
select
    SURVEY_YEAR
    ,PF_CODE
    , '大学院' as KIND
    , GRADUATE AS AMT
    , 6 as rn
from
    ENROLLMENT_STATUS
where
    SURVEY_YEAR = 2020
    and GRADUATE > 0
    and GRADUATE is not null
)
select
    e.SURVEY_YEAR as SV_YEAR
    ,p.PF_NAME as PREFECTURE
    ,e.KIND as KIND
    ,sum(AMT) as AMT
from
   tmp as e
left join PREFECTURE as p
    on e.PF_CODE = p.PF_CODE
group by SURVEY_YEAR,PF_NAME,KIND
order by e.PF_CODE asc , e.rn asc
提出情報
提出日時2023/07/05 17:08:45
コンテスト第2回 SQLコンテスト
問題就学状況の表示変換
受験者mywk
状態 (詳細)WA
(Wrong Answer: 誤答)
メモリ使用量81 MB
メッセージ
テストケース(通過数/総数)
1/2
状態
メモリ使用量
データパターン1
WA
80 MB
データパターン2
AC
81 MB