select
        t1.ITEM_CODE AS CODE
    ,   CASE
            WHEN t1.ITEM_NAME = t2.ITEM_NAME THEN null
            ELSE t1.ITEM_NAME
        END AS NAME
from
    ITEM AS t1
LEFT JOIN
    ITEM_HISTORY AS t2
on
    t1.ITEM_CODE = t2.ITEM_CODE
order by
    CODE DESC