Misa Simic wrote
> Hi hackers,
>
> I just wonder how hard would be to implement something like "Not In FK
> Constraint" or opposite to FK...
A more useful couple next sentences would be along the lines of:
I have this problemI've approached it by doingbut it seems that an
actual database
2013/9/19 David Johnston
> Misa Simic wrote
> > I guess that rule can be achieved with triigers on TableA and TableC -
> but
> > the same is true for FK (and FK constraint is more effective then trigger
> > -
> > that is why I wonder would it be useful/achievable to create that kind of
> > constr
Misa Simic wrote
> I guess that rule can be achieved with triigers on TableA and TableC - but
> the same is true for FK (and FK constraint is more effective then trigger
> -
> that is why I wonder would it be useful/achievable to create that kind of
> constraint)
>
> Thoughts, ideas?
You create a
On 9/16/13 6:16 AM, Misa Simic wrote:
Hi hackers,
I just wonder how hard would be to implement something like "Not In FK
Constraint" or opposite to FK...
i.e:
FK ensures that value of FK column of inserted row exists in refferenced Table
NotInFK should ensure that value of NotInFK colum
Hi hackers,
I just wonder how hard would be to implement something like "Not In FK
Constraint" or opposite to FK...
i.e:
FK ensures that value of FK column of inserted row exists in refferenced
Table
NotInFK should ensure that value of NotInFK column of inserted row does
not Exist in referen