On Tue, 5 Dec 2000, Jeffrey W. Baker wrote:
> On Tue, 5 Dec 2000, brian moseley wrote:
>
> > On Tue, 5 Dec 2000, Perrin Harkins wrote:
> >
> > > > Transaction support for your business logic is easy in J2EE. It's not
> > > > clear how you do this in Perl?
> > >
> > > Use an RDBMS.
> >
> > what about transactions that span data sources? yes, this
> > does happen.
>
> Yeah, it *seems* to happen, but it doesn't actually. Any vendor who tells
> you he can do real transactions across data sources is a liar, or using a
> new and improved definition of transaction. You can do it %99.99 of the
> time but that last %.01 is the bitch.
>
> With J2EE you get the complete illusion that you are doing txns across as
> many data sources on as many systems and vendors as you want, but behind
> the illusion there is the nonzero risk that the data is inconsistent. In
> a real transactional system, you can never have inconsistent data.
This thread is suffering from a severe lack of technical information. Can
you go into more technical detail on what that 0.01% is (and is caused
by)?
--
<Matt/>
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