Select
STD.AGE_CODE AS 年齢コード
,AG.AGE_NAME AS 年齢階層名
,STD.SP_TIME_5 AS "5時間未満"
,STD.SP_TIME_6 AS "5時間以上6時間未満"
,STD.SP_TIME_7 AS "6時間以上7時間未満"
,STD.SP_TIME_8 AS "7時間以上8時間未満"
,STD.SP_TIME_9 AS "8時間以上9時間未満"
,STD.SP_TIME_9OVER AS "9時間以上"

FROM
SLEEP_TIME_DTL STD
INNER JOIN AGE_GRP AG on AG.AGE_CODE = STD.AGE_CODE
INNER JOIN PREFECTURE PR on PR.PF_CODE = STD.PF_CODE
    AND PR.PF_NAME in ('北海道','青森県','岩手県','宮城県','福島県')

GROUP BY
STD.AGE_CODE
,AG.AGE_NAME

ORDER BY
年齢コード;