update CONVENI_SALE_2018
set
    (SURVEY_YEAR, PF_CODE, TOTAL_VALUE) = (
        select
            SURVEY_YEAR,
            PF_CODE,
            TOTAL_VALUE
        from
            CONVENIENCE
        where
            SURVEY_YEAR = 2018
            and KIND_CODE = '100'
            and TOTAL_VALUE is not null
    );