select 
  AGE_GRP.AGE_NAME as [年齢階層]
, sum(case when TIME_CODE = 120 then TARGET_POP else 0 end) as [5時間未満]
, sum(case when TIME_CODE = 130 then TARGET_POP else 0 end) as [5時間以上6時間未満]
, sum(case when TIME_CODE = 140 then TARGET_POP else 0 end) as [6時間以上7時間未満]
, sum(case when TIME_CODE = 150 then TARGET_POP else 0 end) as [7時間以上8時間未満]
, sum(case when TIME_CODE = 160 then TARGET_POP else 0 end) as [8時間以上9時間未満]
, sum(case when TIME_CODE = 170 then TARGET_POP else 0 end) as [9時間以上]
, sum(case when TIME_CODE = 180 then TARGET_POP else 0 end) as [不詳]
From AGE_GRP
inner join SLEEP_TIME_DTL
on AGE_GRP.AGE_CODE = SLEEP_TIME_DTL.AGE_CODE 
group by AGE_GRP.AGE_NAME;