Whoops, I forgot the JOIN conditions! Fixed below
-----Original Message-----
From: Phillip Smith [mailto:[EMAIL PROTECTED]
Sent: Friday, 27 July 2007 11:47
To: 'pgsql-sql@postgresql.org'
Subject: RE: [SQL] Join question
This might give you a starting point if I understand you correctly...
SELECT h.invoice_number,
h.customer,
l.item,
l.amount
FROM lines AS l
JOIN headers AS h ON l.invoice_number = h.invoice_number
UNION
SELECT h.invoice_number,
h.customer,
s.item,
s.amount
FROM sundries AS s
JOIN headers AS h ON s.invoice_number = h.invoice_number
ORDER BY invoice_number, item
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