SELECT * FROM Payments P1 WHERE Date = (SELECT MAX(Date) FROM Payments P2
WHERE P2.CustomerNo = P1.CustomerNo)
I think that will do it.
- James
----- Original Message -----
From: "Henry" <henry_lu@hotmail.com>
To: <pgsql-general@postgresql.org.pgsql-sql@postgresql.org>
Sent: Saturday, July 14, 2001 3:16 PM
Subject: [SQL] Help with SQL statement - Thanks
> There is a table called "Payments" which records every payment that a
> company has received:
>
> CustomerNo Date Amount
> ----------------------------------------
> 3214 2/12 30
> 3214 4/10 50
> 9943 4/18 40
> 9943 5/10 30
> 9943 2/13 70
> 1121 5/23 10
> 1121 4/20 40
> 1121 3/12 30
> (more data...)
>
>
> I want to be able to pull out the last payment made by everyone in a
query:
>
> CustomerNo Date Amount
> ---------------------------------------
> 3214 4/10 50
> 9943 5/10 30
> 1121 5/23 10
> (other users...)
>
> How should I write the SQL statement? Please email to me at
> henry_lu@hotmail.com. Thank you very much.
>
> Henry
>
>
>
>
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