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