SELECT
SLEEP_TIME_DTL.AGE_CODE AS '年齢コード',
AGE_GRP.AGE_NAME AS '年齢階層名',
SP_TIME_5 AS '5時間未満',
SP_TIME_6 AS '5時間以上6時間未満',
SP_TIME_7 AS '6時間以上7時間未満',
SP_TIME_8 AS '7時間以上8時間未満',
SP_TIME_9 AS '8時間以上9時間未満',
SP_TIME_9OVER AS '9時間以上'
FROM SLEEP_TIME_DTL
JOIN AGE_GRP ON SLEEP_TIME_DTL.AGE_CODE = AGE_GRP.AGE_CODE
JOIN PREFECTURE ON SLEEP_TIME_DTL.PF_CODE = PREFECTURE.PF_CODE
WHERE PREFECTURE.PF_NAME IN ('北海道', '青森県', '岩手県', '宮城県', '福島県')
GROUP BY SLEEP_TIME_DTL.AGE_CODE;