"Jim Starkey" <jas@...> wrote:

>
> Funny. Interbase used to have an after image journal specifically to
> support point-in-time recovery. It was almost never used.

I suspect nobody cared about their data much. Do you really think that
everybody else have implemented PITR just for fun?

> Borland
> dropped it in favor of their write ahead log, which was itself dropped.

Borland's WAL never worked in public, IIRC.

> It would be easy to reimplement, however. But based on experience, I
> don't think anyone would actually use it.

As I have enough experience using such a recovery with our Oracle and MSSQL
customers, I disagree.


Dmitry