WITH A AS(
    SELECT
        GOODS_CODE
        , ROUND(AVG(STD_COST_PRICE),0) AS AVG_SCP
    FROM
        SKU
    GROUP BY
        GOODS_CODE
)
UPDATE SKU
SET STD_COST_PRICE = (SELECT STD_COST_PRICE FROM GOODS WHERE SKU.GOODS_CODE = GOODS.GOODS_CODE)
    , UPDATE_USER_NAME = 'MODIFY'
    , USER_UPDATE_DATETIME = '2024-08-31 00:00:00'
WHERE
    STD_COST_PRICE < (SELECT AVG_SCP FROM A WHERE A.GOODS_CODE = SKU.GOODS_CODE)
;