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Editorial Team
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Asked: 2026-06-15T22:06:21+00:00

I am trying to create a SELECT statement to obtain the sum of all

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I am trying to create a SELECT statement to obtain the sum of all payments due from a table that contains payment schedule. Fields include PaymentID, PaymentAmount, NumberofMonths. So for example, there are three rows:

PaymentId | PaymentAmount | NumberofMonths
==========================================
1         |  500          |  12
2         |  2000         |  8
3         |  1000         |  6

The total amount of all payments due would be $28,000.00. I’m a bit of a SQL/Oracle novice so I’m not sure how to get started with this.

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1 Answer

  1. Editorial Team

    You can use the aggregate function SUM() and multiply the PaymentAmount by the NumberOfMonths:

    select sum(PaymentAmount * NumberofMonths) Total
from yourtable

    See SQL Fiddle with Demo

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