Re: The wisdom of the object mentors (Was: Searching OO Associations with RDBMS Persistence Models)

Andrew McDonagh wrote:
> phlip wrote:
> > Andrew McDonagh wrote:
> >
> >> As for refactoring, most of the difficulty comes down to the limitations
> >> of the store procedure language and development environments not
> >> supporting automated refactorings.
> >>
> >> Its possible, just difficult and manual.
> >
> > I thought the hard part was upgrading live user data on the fly.
> >
> > Sounds like another reason for careful partitioning ;-)
> >
>
> without taking the system offline its certainly hard, otherwise its not.

Agreed. It is noticably easier to do if the system is offline, but I have myself performed *many* schema updates to an enormous mission critical database without taking anything offline.

Marshall Received on Sat Jun 03 2006 - 00:39:01 CEST