Re: Subqueries or Joins? Problems with multiple table query

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От A. Kretschmer
Тема Re: Subqueries or Joins? Problems with multiple table query
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Msg-id 20100223141317.GC20866@a-kretschmer.de
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Ответ на Re: Subqueries or Joins? Problems with multiple table query  (Stefan Schwarzer <stefan.schwarzer@grid.unep.ch>)
Ответы Re: Subqueries or Joins? Problems with multiple table query  (Stefan Schwarzer <stefan.schwarzer@grid.unep.ch>)
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In response to Stefan Schwarzer :
> >You may also wish to review Andreas' suggestions as they propose a
> >more sensible table structure rather than having a table for each
> >convention.
>
> The table proposal really looks nice. But our database is structured
> by variable - so each convention has its own table.

It is a really bad design - it can't scale. A new convention, and you
have to redesign your database schema (add a new table, rewrite code).

I think, it makes absolutely no sense to invest more work into this,
sorry, shit.

Regards, Andreas
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Andreas Kretschmer
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