| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | Jeff Davis <pgsql(at)j-davis(dot)com> |
| Cc: | pgsql-advocacy(at)postgresql(dot)org |
| Subject: | Re: Major features for 9.1 |
| Date: | 2011-04-06 20:06:40 |
| Message-ID: | 1302120400.14384.7.camel@vanquo.pezone.net |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-advocacy |
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.
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