Re: Major features for 9.1

On ons, 2011-04-06 at 11:01 -0700, Jeff Davis wrote:
> On Tue, 2011-04-05 at 14:57 +0000, Roy Hann wrote:
> > Nikolas Everett wrote:
> >
> > > I think it is saying something that one of the most exciting features in 9.1
> > > would be lost on a huge portion of the DB using public.  I've interviewed
> > > DBAs who don't know what a transaction isolation level is.  Most of the
> > > developers I've interviewed don't know.
> >
> > A DBA doesn't need to know what an isolation level is.  Programmers need
> > to know.  (But they don't.)
>
> One of the use cases of SSI is to enforce constraints, which are
> certainly of interest to DBAs.

Well, but users can freely change the isolation level, so it would not
really be an effective constraint mechanism.