On 1/5/06, Peter Eisentraut <[EMAIL PROTECTED]> wrote:
> Am Donnerstag, 5. Januar 2006 17:01 schrieb Scott Marlowe:
> > The C stands for consistency. Consistency means that only valid data
> > can be written to the database. MySQL fails this test precisely because
> > it does / can write inconsistent data to the database. Note that even
> > the latest version, 5.0.xx, by default, inserts a truncated number on
> > overflow.
>
> That's not at all what the C is about. The C criterion means that a
> transaction transfers the database from one consistent state to another. To
> my knowledge, MySQL does that. On its way there, it silently alters data
> that would violate this consistency criterion, but this does not affect the
> fulfillment of the ACID criteria.
>
so the problem is that MySQL _forces_ a consistent state but in the
process it violates the integrity of the data
--
regards,
Jaime Casanova
(DBA: DataBase Aniquilator ;)
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