CONCAT(YEAR({DE:UKI - Campaign Start Date}), "/",CASE(MONTH({DE:UKI - Campaign Start Date}),"01","02","03","04","05","06","07","08","09","10","11","12"), "/", CASE(DAYOFMONTH({DE:UKI - Campaign Start Date}),"01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19...