I'm not following, the original could be written as select x + 2 as y, 1 as x, y/x as z; with the same column values in a different order. Order of argument

I'm not following, the original could be written as select x + 2 as y, 1 as x, y/x as z; with the same column values in a different order. Order of arguments shouldn't matter is all I was saying.