Re: two sums in one query

I have assuemed that the row will having eighter Debit account or Credit account, the following Query will give sum
ofdebit and credit accounts
 
  SELECT  SUM( CASE WHEN COALESCE( DEBIT , 0 ) <> 0 THEN   COALESCE( AMOUNT , 0 ) ELSE 0 END ) AS DEBIT_AMT ,
    SUM( CASE WHEN COALESCE( CREDIT , 0 ) <> 0 THEN   COALESCE( AMOUNT , 0 ) ELSE 0 END ) AS CREDIT_AMT FROM <TABLE
NAME>

Regards,
R.Muralidharan

-----Original Message-----
From: pgsql-sql-owner@postgresql.org
[mailto:pgsql-sql-owner@postgresql.org]On Behalf Of Kenneth Gonsalves
Sent: Friday, July 08, 2005 11:18 AM
To: pgsql-sql@postgresql.org
Subject: [SQL] two sums in one query


hi
i have a table like this:

serialno varchar,
debit integer,
credit integer,
amount numeric

the columns 'debit' and 'credit' refer to the acount number. I want to 
query the table to select all the rows where either debit = account 
or credit=account and to get two sums - one of the amounts where the 
account is on the debit side and the other on the credit side. Can i 
do this in one query? if so, how?
-- 
regards
kg

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