SELECT
    A.AGE_CODE as "年齢コード"
    ,B.AGE_NAME as "年齢階層名"
    ,A.SP_TIME_5 as "5時間未満"
    ,A.SP_TIME_6 as "5時間以上6時間未満"
    ,A.SP_TIME_7 as "6時間以上7時間未満"
    ,A.SP_TIME_8 as "7時間以上8時間未満"
    ,A.SP_TIME_9 as "8時間以上9時間未満"
    ,A.SP_TIME_9OVER as "9時間以上"
FROM SLEEP_TIME_DTL A
JOIN AGE_GRP B ON A.AGE_CODE = B.AGE_CODE
GROUP BY A.AGE_CODE
ORDER BY A.AGE_CODE ASC