Order by x then order by y column in SQL Server

Question

Consider a table like

   debit    credit  code
-----------------------------
    0       10      5
    5       0       3
    0       11      2
    0       15         


        

Answer 1

Use this select to help you:

SELECT debit, code, credit  
FROM table a
WHERE debit > 0
or debit = 0
order by debit  code, credit desc

or

SELECT debit, code, credit  
FROM table a
WHERE debit > 0
or debit = 0
group by debit, code, credit
order by debit  code, credit desc