I want the single update query without using the function.

I want to update sells_table selling_code field with product_code date product table max.
In the product table, there are several product_code date wise.

I did with below charly with the use of the service, but we can do in the query what a single update
without using the function.

UPDATE sells_table
SET selling_code = MAXDATEPRODUCT (ctd_vpk_product_code)
WHERE NVL(update_product_flag,0) = 0;

(P_product IN VARCHAR2) RETURN of HVL.maxdateproduct NUMBER FUNCTION to CREATE or REPLACE
IS
max_date_product VARCHAR2 (100);
BEGIN
BEGIN
SELECT NVL (TRIM (product_code), 0)
IN max_date_product
FROM (SELECT product_code, xref_end_dt)
PRODUCT
WHERE TO_NUMBER (p_product) = pr.item_id
ORDER BY xref_end_dt DESC)
WHERE ROWNUM = 1; -He'll be back a single line - max date product code
EXCEPTION
WHILE OTHERS
THEN
RETURN 0;
END;

RETURN max_date_product;

END maxdateproduct;

Thanks in advance.

Hello

Something like that.

update setlls_table st
        set selling_code =(select nvl(trim(product_code)) from
                              (select product_code
                                      , rank() over (partition by item_id order by xref_end_dt DESC) rn
                                   from product
                               ) pr
                               where rn =1
                                     and pr.item_id = st.ctd_vpk_product_code
                           ) where NVL(update_product_flag,0) = 0 ;

That such is not tested due to lack of sampling input.

Concerning
Anurag Tibrewal.

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