SUM column values based on two rows in the same tables in SQL

Question

I have one table like below in my SQL server.

Trans_id    br_code bill_no amount
1           22      111     10
2           22      111     20
3           22      111     30
4           22      111     40
5           22      111     10
6           23      112     20
7           23      112     20
8           23      112     20
9           23      112     30

and I want desired output like below table

s.no    br_code  bill_no    amount
1       22       111        110
2       23       112        90

Answer 1

try this:

select br_code, bill_no, sum(amount)
from TABLE
group by br_code, bill_no