du kan använda row_number()
ska användas för left join
ditt previous balance
.
select t1.*, t2.PrevBalance from
(select Date, PrevBalance, AddedAmount,
row_number() over (order by Date asc) as rn
from tableA) t1
left join
(select Date, PrevBalance, AddedAmount,
row_number() over (order by Date asc) as rn
from tableA) t2 on t2.rn + 1 = t1.rn