Bruce Momjian wrote:
>
> >
> > Ok, we have to decide two issues about what would we like
> > to use in future:
> >
> > 1. type of storage manager/transaction system -
> >
> > WAL or non-overwriting.
>
> Can you explain WAL. I understand locking vs. multi-version.
Write Ahead Log - log of changes.
Vadim