with
hos as (
select
    PF_CODE
    , ROUND(
        cast(INP_YES as REAL) / cast((INP_YES + INP_NO + UNIDENTIFIED) as REAL) * 100
        , 1) as INP_RATE
from
    HOSPITALIZATION
)
select
    h.PF_CODE  as 都道府県コード
    , p.PF_NAME as 都道府県名
    , h.INP_RATE as 入院率
from
    hos as h
LEFT OUTER JOIN
    PREFECTURE as p
    on h.PF_CODE = p.PF_CODE
order by
    入院率 desc