> > > OTOH it is possible to do without rolling back at all as
> > > MySQL folks have shown us ;)
> > 
> > Not with SDB tables which support transactions.
> 
> My point was that MySQL was used quite a long time without it 
> and still quite many useful applications were produced.

And my point was that needless to talk about rollbacks in
non-transaction system and in transaction system one has to
implement rollback somehow.

> BTW, do you know what strategy is used by BSDDB/SDB for 
> rollback/undo ?

AFAIR, they use O-smgr => UNDO is required.

Vadim

Tue, 29 May 2001 13:37:03 -0700
"Mikheev, Vadim" <vmikheev@SECTORBASE.COM>
RE: Plans for solving the VACUUM problem