Re: Complex Query - Data from 3 tables simultaneously

Thanks a lot, that worked for me!

-----Original Message-----
From: Richard Huxton [mailto:dev(at)archonet(dot)com]
Sent: Thursday, October 27, 2005 2:47 PM
To: Wadhwa, Amit
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: [SQL] Complex Query - Data from 3 tables simultaneously

Amit_Wadhwa(at)Dell(dot)com wrote:
>
> Basically I want a raw dump of data
> - Should have all the shipments regardless of whether they have any
> material items entered or not
> - Should have all Material Items for Every Shipment regardless of
> whether it was issued or not.
>
> I know I need an outer join (Do I Not?), but am confused as to how to
> implement it.
> Because this seems to be a requirement of a reversed outer join (??)

SELECT s.*, m.*, i.*
FROM
shipments s
LEFT JOIN
materials m
ON s.www = m.xxx
LEFT JOIN
issued i
ON m.yyy = i.zzz
WHERE
s.whatever = something

--
Richard Huxton
Archonet Ltd