using two sum() in multiple join query

Hello

I'm stuck with the help of two sum() functions in a single query. Are columns of different tables that are joined.

table of charging

Date pay_amt cust_id

1 July 13 500 1

1 July 13 200 1

amount of usage

Date usg_amt cust_id

1 July 13 100 1

2 July 13 300 2

I want a single query to give me sum (pay_amt) and sum (usg_amt) for a client in a single day

That is to say:

o/p should be:

cust_id date sum (pay_amt) sum (usg_amt)

1 01 - Jul 700 100

My query is like below. But it gives incorrect total for both. Could someone tell me why?

Select sum (pay_amt), sum (usg_amt)

from charging r

join in-house use u

On u.cust_id = r.ID_client

and you.date = r.date

where u.cust_id = 1

and you.date = 1 July 13 '

chris227 wrote:

I seem to be a bug to me.

The result is 11.2.0.3

SUM(PAY_AMT) SUM(USG_AMT)
700 200

What is your version?

What looks like the plan to explain it with predicates?

BTW, why do you think that both are incorrect, for me, only the second is incorrect, should be 200 instead of 100.

Post edited by: chris227 Question added

No Chris, the po said they want the o/p 100, and they were getting an invalid value (for example, the 200 is incorrect).

It's because of the joining of the usg_amt of duplication:

SQL > ed
A written file afiedt.buf

1 refill as (select date "'2013-07-01 as dt, 500 as pay_amt, 1 as cust_id of union double all the")
2 select dates "2013-07-01', 200, 1 double)
3, use as (select date "'2013-07-01 as dt, 100 in usg_amt, 1 as cust_id of union double all the")
4 Select the dates "2013-07-02', 300, 2 double)
5  --
6 select DT, pay_amt, usg_amt - sum (pay_amt), r.id_client, sum (usg_amt)
7 recharge r
8 join use u on u.cust_id = r.ID_client
9 and you.dt = DT
10 where u.cust_id = 1
11 * and u.dt = date ' 01-07-2013'
SQL > /.

CUST_ID DT PAY_AMT USG_AMT
---------- -------------------- ---------- ----------
1 1 JULY 2013 00:00:00 200 100
1 1 JULY 2013 00:00:00 500 100

If the sum is of course to sum up 100 twice because of two lines to pay.

So why I have indicated that the aggregation (sum) should usually before the join is made, so it is only made the cust_id amount and date for each table and then joined the results.

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    D wrote:
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    Best regards

    Robert

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