SELECT
    AGE_GRP.AGE_NAME AS '年齢階層'
    , MAX(CASE WHEN TIME_CODE = 120 THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS '5時間未満'
    , MAX(CASE WHEN TIME_CODE = 130 THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS '5時間以上6時間未満'
    , MAX(CASE WHEN TIME_CODE = 140 THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS '6時間以上7時間未満'
    , MAX(CASE WHEN TIME_CODE = 150 THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS '7時間以上8時間未満'
    , MAX(CASE WHEN TIME_CODE = 160 THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS '8時間以上9時間未満'
    , MAX(CASE WHEN TIME_CODE = 170 THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS '9時間以上'
    , MAX(CASE WHEN TIME_CODE = 180 THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS '不詳'
FROM
    AGE_GRP
    LEFT JOIN SLEEP_TIME_DTL
        USING (AGE_CODE)
    LEFT JOIN SLEEP_TIME
        USING (TIME_CODE)
GROUP BY
    AGE_GRP.AGE_NAME
ORDER BY
    AGE_GRP.AGE_CODE
;

--SELECT * FROM AGE_GRP;
--SELECT * FROM SLEEP_TIME_DTL WHERE AGE_CODE = 17;