Calculate running total / running balance

Question

I have a table:

create table Transactions(Tid int,amt int)

With 5 rows:

insert into Transactions values(1, 100)
insert into         


        

Answer 1

select v.ID
,CONVERT(VARCHAR(10), v.EntryDate, 103) + ' '  + convert(VARCHAR(8), v.EntryDate, 14) 
as EntryDate
,case
when v.CreditAmount<0
then
    ISNULL(v.CreditAmount,0) 
    else 
    0 
End  as credit
,case
when v.CreditAmount>0
then
    v.CreditAmount
    else
    0
End  as debit
,Balance = SUM(v.CreditAmount) OVER (ORDER BY v.ID ROWS UNBOUNDED PRECEDING)
      from VendorCredit v
    order by v.EntryDate desc