Josh Berkus <josh@postgresql.org> writes:
> Please! Reverse Engineering. I can't imagine that anyone got a look at
> Oracle's code.
>
> Hmmm ... I'd always had the impression that MVCC came out of Berkeley.
> Possibly mistaken, I wasn't around.
MVCC is a reasonably well known concurrency control technique -- it is
described in the DBMS literature, etc. It is by no means a PostgreSQL
invention.
-Neil