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Home -> Community -> Usenet -> comp.databases.theory -> Re: Can these constraint be implemented in an RDBMS ?
Problems with 'serializable' can be show with less tables.
But this thread was not about the 'serializable' problem, but
about a constraint problem. The serializable problem can be
part of that.
(If you start a new thread, I'll be happy to discuss the serializable
problem of Oracle).
Reducing the example to 1-2 tables makes it less complex and that was one of the points made. A situation to complex to implement in an existing RDBMS.
ben brugman.
"Mikito Harakiri" <mikharakiri_at_iahu.com> wrote in message
news:Rz31c.24$4E5.432_at_news.oracle.com...
> "ben brugman" <ben_at_niethier.nl> wrote in message
> news:4044ac1c$0$3681$4d4ebb8e_at_read.news.nl.uu.net...
> > The problem is derived from two accounts which together are not
> > allowed to be negative. (Used to illustrate Oracle's failure to
implement
> > serializability (as defined in most dictionaries and in the
> SQL-standard).)
> > Most solutions I have seen involve some application coding. And often
> > a denial that you actually want those constraints.
>
> Discussing serializability might be interesting. Could you please reduce
the
> problem to possibly no more than 1-2 tables? An example involving half
dozen
> tables is overkill.
>
>
Received on Tue Mar 02 2004 - 12:43:57 CST
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