Literally your question is converted into below SQL, where I select all columns in the sub query and show only two
SELECT part_number,
part_description
FROM (SELECT Upper (partnumber) AS Part_Number,
INITCAP (partdesc) AS Part_Description,
unitsonhand,
itemclass,
warehouse,
unitprice
FROM part
ORDER BY warehouse DESC,
unitprice ASC);
Best Option is to do
SELECT Upper (partnumber) AS Part_Number,
Initcap (partdesc) AS Part_Description
FROM part
ORDER BY warehouse DESC,
unitprice ASC;
Or even you can have a view