fname || ' ' || lname "fname" || ' ' || "lname" CONCAT(`customer`.`fname`, ' ', `customer`.`lname`) fname || ' ' || lname FULLNAME fname || ' ' || lname "fname" || ' ' || "lname" CONCAT(`customer`.`fname`, ' ', `customer`.`lname`) fname || ' ' || lname FULLNAME [Measures].[Store Sales] - [Measures].[Store Cost]