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Re: SQL: More fields in select list with group by

From: Michael Hase <michael_at_six.de>
Date: Tue, 13 Oct 1998 10:57:42 +0200
Message-ID: <36231606.1490E9D1@six.de>


Christopher Beck wrote:
>
> You can use an inline view like...
>
> SQL> l
> 1 select d.id, d.version, d.title
> 2 from dummy d,
> 3 ( select id, max(version) version from dummy group by id ) m
> 4 where m.id = d.id
> 5* and m.version = d.version
> SQL> /
>
> ID VERSION TITLE
> --- -------- ------------------------------
> 1 2 Title 1, version 2
> 2 3 Title 2, version 3
> 3 1 Title 3, version 1
>
> SQL>
>
> hope this helps.
>
> chris.
>

Yes, this helps indeed. This reflects exactly what I need. Thank you very much, thanks goes also to Leonel Sanhueza, who came up with the same suggestion.

btw: Is there some literature for such things I would call more advanced sql (although Oracle specific).

Thank you all,
Michael
--

Michael Hase                     michael_at_six.de
                                 Six Offene Systeme GmbH
http://www.six.de                Sielminger Str. 63
phone +49 711 99091 62           70771 Leinfelden-Echterdingen, Germany
Received on Tue Oct 13 1998 - 03:57:42 CDT

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