SUM of columns in lines
Dear members,Suppose I have a command name table and this table has 3 columns by name order_number, travel and net_weight.
The data are as follows:
Trip order# net_weight
----------------------------------------------------
1876 1234 450
1876 5678 300
7865 6783 250
7865 9738 350
Of the above, you can see that there are 2 lines, I need to write a SQL in such a way that my data should like below:Trip order# net_weight sum
------------------------------------------------------
1876 1234 450 750
1876 5678 300 750
7865 6783 250 600
7865 9738 350 600
The new sum of column is the sum of net_weight based on the trip.sum = 750-> (450 + 300 based on trip 1876)
sum = 600-> (250 + 350 based on trip 7865)
How can I write a SQL query to get the data as described above.
Thank you
Sandeep
Use analytical SUM:
with t as (
select 1876 trip,1234 order#,450 net_weight from dual union all
select 1876,5678,300 from dual union all
select 7865,6783,250 from dual union all
select 7865,9738,350 from dual
)
-- end of on-the-fly data sample
select trip,
order#,
net_weight,
sum(net_weight) over(partition by trip) total_net_weight
from t
order by trip
/
TRIP ORDER# NET_WEIGHT TOTAL_NET_WEIGHT
---------- ---------- ---------- ----------------
1876 1234 450 750
1876 5678 300 750
7865 6783 250 600
7865 9738 350 600
SQL>
SY.
Tags: Database
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