[EMAIL PROTECTED] (Neil Conway) writes:
> Good point -- but given that SQL99 specifically mentions that this
> functionality should be available (Feature 671, "Subqueries in
> CHECK constraints"), there must be some reasonable behavior
> adopted by another DBMS...
It's effectively equivalent to a
On Sat, Jul 27, 2002 at 07:07:13PM -0400, Tom Lane wrote:
> [EMAIL PROTECTED] (Neil Conway) writes:
> > I'd like to add the ability to use a sub-select in a CHECK constraint.
> > Can someone elaborate on what changes would be needed to support
> > this?
>
> Define what you think should happen whe
[EMAIL PROTECTED] (Neil Conway) writes:
> I'd like to add the ability to use a sub-select in a CHECK constraint.
> Can someone elaborate on what changes would be needed to support
> this?
Define what you think should happen when the other rows referenced
by the subselect change.
