Re: Multiple specification of constraints

On Wed, 25 Feb 2004 12:39:18 -0600, "Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote:

[snip]
>My point is that with the way that software is written today, quite often
>data constraints are coded in multiple places, even multiple languages.

That's certainly true. But the problem is not necessarily in having multiple expressions of a constraint. The problem is in having multiple uncontrolled expressions of a constraint.

>I'm suggesting something rather radical --
>decouple the constraint specification and validation logic from the
>database.

Why? It's not crystal clear from what you posted.

-- 
Mike Sherrill
Information Management Systems