Federico Tello Gentile wrote:

>On Wed, 01 Sep 2004 10:09:40 -0400, Jim Starkey <jas@...> wrote:
>
>
>>The implementation is smoke and mirrors.
>>
>>
>
>What do you mean by that?
>
>
>
>

The system keep tracks of multiple versions of records and makes sure
each transaction see a version consistent with the database state at the
time the transaction started. The details are fairly well documented in
a variety of sources.

--

Jim Starkey
Netfrastructure, Inc.
978 526-1376



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