select 
    AGE_NAME 年齢階層,
    sum(case TIME_CODE when 120 then TARGET_POP end) "5時間未満",
    sum(case TIME_CODE when 130 then TARGET_POP end) "5時間以上6時間未満",
    sum(case TIME_CODE when 140 then TARGET_POP end) "6時間以上7時間未満",
    sum(case TIME_CODE when 150 then TARGET_POP end) "7時間以上8時間未満",
    sum(case TIME_CODE when 160 then TARGET_POP end) "8時間以上9時間未満",
    sum(case TIME_CODE when 170 then TARGET_POP end) "9時間以上",
    sum(case TIME_CODE when 180 then TARGET_POP end) 不詳
from
    SLEEP_TIME_DTL
    inner join AGE_GRP using(AGE_CODE)
    inner join SLEEP_TIME using(TIME_CODE)
group by 1 order by 1