Re: Mixing OO and DB

From: Dmitry A. Kazakov <mailbox_at_dmitry-kazakov.de>
Date: Mon, 10 Mar 2008 15:16:11 +0100
Message-ID: <g3oa2g2vaei9$.12jeje7naik8d$.dlg_at_40tude.net>

On Mon, 10 Mar 2008 12:49:20 GMT, David Cressey wrote:

> "mAsterdam" <mAsterdam_at_vrijdag.org> wrote in message
> news:47d4e742$0$14360$e4fe514c_at_news.xs4all.nl...

> The distinction between "what" and "how" was just as novel to
> them as it is today for the OO programmer.

Declarative approaches are always more difficult both to understand and to implement.

> The "what" versus "how" distinction can be generalized from database query
> languages to cover just about any aspect of computing. Even the difference
> batween machine language and assembler can be discussed in terms of "what"
> vs "how", although not completely.

Yes. Observe that this well applies to OOPL which uses declarative "what" to deal with inheritance. People dismissing it often argue on the level of "how."

---

But this is declarative vs. imperative debate, i.e. a "how" one. Data vs. behavior is a debate on the subject, i.e. "what," put before "how."

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de

Received on Mon Mar 10 2008 - 15:16:11 CET