SELECT
    STD.AGE_CODE AS 年齢コード
    , AG.AGE_NAME AS 年齢階層名
    , SUM(STD.SP_TIME_5) AS "5時間未満"
    , SUM(STD.SP_TIME_6) AS "5時間以上6時間未満"
    , SUM(STD.SP_TIME_7) AS "6時間以上7時間未満"
    , SUM(STD.SP_TIME_8) AS "7時間以上8時間未満"
    , SUM(STD.SP_TIME_9) AS "8時間以上9時間未満"
    , SUM(STD.SP_TIME_9OVER) AS "9時間以上"
FROM
    SLEEP_TIME_DTL AS STD
    INNER JOIN AGE_GRP AS AG
        ON STD.AGE_CODE = AG.AGE_CODE
GROUP BY STD.AGE_CODE
ORDER BY STD.AGE_CODE