ソースコード
select SV_YEAR
      ,PREFECTURE
      ,KIND
      ,AMT
from (

select SURVEY_YEAR AS SV_YEAR
      ,P.PF_CODE
      ,PF_NAME     AS PREFECTURE
      ,'小学校'          AS KIND
      ,SUM(ELEMENTARY) AS AMT
      ,1               AS SORT_NO
  from ENROLLMENT_STATUS E
    left join PREFECTURE P
      ON P.PF_CODE = E.PF_CODE
  where SURVEY_YEAR = 2020
group by P.PF_CODE

union all
select SURVEY_YEAR AS SV_YEAR
      ,P.PF_CODE
      ,PF_NAME     AS PREFECTURE
      ,'中学校'          AS KIND
      ,SUM(MIDDLE) AS AMT
      ,2               AS SORT_NO
  from ENROLLMENT_STATUS E
    left join PREFECTURE P
      ON P.PF_CODE = E.PF_CODE
  where SURVEY_YEAR = 2020
group by P.PF_CODE

union all
select SURVEY_YEAR AS SV_YEAR
      ,P.PF_CODE
      ,PF_NAME     AS PREFECTURE
      ,'高校'          AS KIND
      ,SUM(HIGH) AS AMT
      ,3               AS SORT_NO
  from ENROLLMENT_STATUS E
    left join PREFECTURE P
      ON P.PF_CODE = E.PF_CODE
  where SURVEY_YEAR = 2020
group by P.PF_CODE

union all
select SURVEY_YEAR AS SV_YEAR
      ,P.PF_CODE
      ,PF_NAME     AS PREFECTURE
      ,'短大'          AS KIND
      ,SUM(JUNIOR_CLG) AS AMT
      ,4               AS SORT_NO
  from ENROLLMENT_STATUS E
    left join PREFECTURE P
      ON P.PF_CODE = E.PF_CODE
  where SURVEY_YEAR = 2020
group by P.PF_CODE

union all
select SURVEY_YEAR AS SV_YEAR
      ,P.PF_CODE
      ,PF_NAME     AS PREFECTURE
      ,'大学'          AS KIND
      ,SUM(COLLEGE) AS AMT
      ,5               AS SORT_NO
  from ENROLLMENT_STATUS E
    left join PREFECTURE P
      ON P.PF_CODE = E.PF_CODE
  where SURVEY_YEAR = 2020
group by P.PF_CODE

union all
select SURVEY_YEAR AS SV_YEAR
      ,P.PF_CODE
      ,PF_NAME     AS PREFECTURE
      ,'大学院'          AS KIND
      ,SUM(GRADUATE) AS AMT
      ,6               AS SORT_NO
  from ENROLLMENT_STATUS E
    left join PREFECTURE P
      ON P.PF_CODE = E.PF_CODE
  where SURVEY_YEAR = 2020
group by P.PF_CODE
)
where AMT IS NOT NULL
order by PF_CODE, SORT_NO
提出情報
提出日時2022/09/21 18:37:03
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deepcalcium
状態 (詳細)AC
(Accepted: 正答)
メモリ使用量102 MB
メッセージ
テストケース(通過数/総数)
2/2
状態
メモリ使用量
データパターン1
AC
98 MB
データパターン2
AC
102 MB