select ag.AGE_NAME as 年齢階層, COUNT(st.TIME_CODE=120) as "5時間未満", COUNT(st.TIME_CODE=130) as "5時間以上6時間未満", COUNT(st.TIME_CODE=140) as "6時間以上7時間未満", COUNT(st.TIME_CODE=150) as "7時間以上8時間未満",COUNT(st.TIME_CODE=160) as "8時間以上9時間未満",COUNT(st.TIME_CODE=170) as "9時間以上", COUNT(st.TIME_CODE=180) as "不詳"
from SLEEP_TIME_DTL as std
join AGE_GRP as ag
on std.AGE_CODE = ag.AGE_CODE
join SLEEP_TIME as st
on std.TIME_CODE = st.TIME_CODE
group by ag.AGE_NAME