Re: [SQL] trivial problem

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tjk@tksoft.com
Тема
Re: [SQL] trivial problem
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Msg-id
199910291812.LAA24162@uno.tksoft.com
Ответ на
Re: [SQL] trivial problem (Roderick A. Anderson)
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Дерево обсуждения
trivial problem Frank Joerdens <frank@x9media.com>
Re: [SQL] trivial problem Mathijs Brands <mathijs@ilse.nl>
Re: [SQL] trivial problem Oleg Bartunov <oleg@sai.msu.su>
Re: [SQL] trivial problem "Roderick A. Anderson" <raanders@altoplanos.net>
Re: [SQL] trivial problem "tjk@tksoft.com" <tjk@tksoft.com>
If limit didn't mean "get first 50," there would be no time/effort
saved by specifying a limit. 

I.e. when a limit is specified, the backend looks for matches until it
finds 50 records, and then stops. 


Troy


> 
> On Fri, 29 Oct 1999, Oleg Bartunov wrote:
> 
> > select * from table order by column limit 50
> > 
> 
> It used to be and could still be in Oracle (sorry to pull them into this)
> that limit applied to the selection clause so the first 'n' tulples
> selected,not the top/bottom 'n', would be reported.
>    Would this be a feature of the SQL standard or of Oracles
> implementation?  And how does PostgreSQL handle limits?
> 
> Rod
> --
> Roderick A. Anderson
> raanders@altoplanos.net               Altoplanos Information Systems, Inc.
> Voice: 208.765.6149                            212 S. 11th Street, Suite 5
> FAX: 208.664.5299                                  Coeur d'Alene, ID 83814
> 
> 
> ************
> 
>
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