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Re: creating "a perfect sequence" column

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On Mon, Jul 7, 2008 at 4:54 AM, Jack Brown <zidibik@xxxxxxxxx> wrote:

> Thank you, i didn't know the term so when I'd searched the archives, i hadn't found much.

Here is the result of a discussion that came up a couple of years ago:

http://www.varlena.com/GeneralBits/130.php

I guess that german account laws require a gapless sequence for all documents.

> in the mean time i did some research for other rdbms and i guess, what i was looking for was more along the lines of e.g. the row_number() function of mssql [1]. fwiw this seems like the most efficient pagination solution, assuming, of course, the rdbms implements this functionality efficiently.
>
> [1]: http://www.davidhayden.com/blog/dave/archive/2005/12/30/2652.aspx

actually, this functionality is most commonly implemented in a
reporting utility.  But it can be done using SQL.



-- 
Regards,
Richard Broersma Jr.

Visit the Los Angles PostgreSQL Users Group (LAPUG)
http://pugs.postgresql.org/lapug


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