i want find some fields and then create if not exist but if exist it will update. i try this query
REPLACE INTO
tbl_master_data
(part_number
,description
,rrp
,discount_code
,product_group
,value_discount
,stk
) VALUES ('1100000-ax08', 'aas', 45, 'STD', 'ACC',50) WHEREpart_number
= '1100000-ax08';
but something wrong in where clause. can tell me how it's work?