Select Sum and multiple columns in 1 select statement

Question

Is there a way to select the sum of a column and other columns at the same time in SQL?

Example:

SELECT sum(a) as car,b,c FROM toys

Answer 1

How about:

select sum(a) over(), b, c from toy;

or, if it's required:

select sum(a) over(partition by b), b, c from toy;